Alder Lake

For other uses, see Alder Lake (disambiguation).

Alder Lake

Intel Core i7-12700KF
General information
Launched	November 4, 2021;3 years ago (2021-11-04) [1]
Discontinued	April 25, 2025;4 months ago (2025-04-25) (mobile) [2]
Marketed by	Intel
Designed by	Intel
Common manufacturer	Intel
Product code	80715
Performance
Max. CPU clock rate	800 MHz to 5.3 GHz, P-cores 700 MHz to 4.0 GHz, E-cores
DMI speeds	16 GT/s
Cache
L1 cache	80 KB (32 instructions + 48 data), per P-core 96 KB (64 instructions + 32 data), per E-core
L2 cache	1.25 MB per P-core 2 MB per E-core cluster
L3 cache	Up to 30 MB, shared
Architecture and classification
Technology node	Intel 7 (previously known as 10ESF)
Microarchitecture	Golden Cove (P-cores) Gracemont (E-cores)
Instruction set	x86
Instructions	x86-64
Extensions	AES-NI, CLMUL, RDRAND, SHA, TXT, MMX, SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1, SSE4.2, AVX, AVX2, FMA3, AVX-VNNI, VT-x, VT-d
Physical specifications
Cores	Up to 8 P-cores Up to 8 E-cores
GPU	Intel Xe-based integrated graphics
Sockets	Desktop LGA 1700 Mobile BGA 1744 BGA 1964 (HX series)
Products, models, variants
Product code name	ADL
Brand names	Intel Core Pentium Celeron Intel Processor
Variant	Sapphire Rapids (server/workstation)
History
Predecessors	Tiger Lake, 10 nm, mobile Rocket Lake, 14 nm, desktop Lakefield, 10 nm, hybrid mobile
Successor	Raptor Lake
Support status
Legacy support for iGPU [3]

Alder Lake is Intel's codename for the 12th generation of Intel Core processors based on a hybrid architecture utilizing Golden Cove performance cores and Gracemont efficient cores. ^{[4] [5]} It was launched on November 4, 2021. It is fabricated using Intel's Intel 7 process, previously referred to as Intel 10 nm Enhanced SuperFin (10ESF). ^{[6] [7] [8]} The 10ESF has a 10–15% boost in performance over the 10SF used in the mobile Tiger Lake processors. Intel officially announced 12th Gen Intel Core CPUs on October 27, 2021, ^[9] mobile CPUs and non-K series desktop CPUs on January 4, 2022, ^[10] Alder Lake-P and -U series on February 23, 2022, ^[11] and Alder Lake-HX series on May 10, 2022. ^[12]

History

It was announced in November 2021 that Intel Alder Lake would use a hybrid architecture combining performance and efficiency cores, similar to ARM big.LITTLE. This was Intel's second hybrid architecture, after the mobile-only Lakefield released in June 2020. While the desktop Alder Lake processors were already on the market by January 2022, the mobile processors were not, although release was expected early that year. Starting cost were USD $289 for the Core i5-12600K. Gracemont was the name given to the efficiency cores, while Golden Cove cores were set for tasks such as gaming and video processing. ^[13] First laptop tests were performed later that month, with PCMag positively reviewing the Core i9-12900HK, stating the H series represented "Intel's enthusiast line," with "the same hybrid designs" also in the P-series and U-series chips to come out later that year. ^[14]

In April 2022, press reported on "hints" that Intel was working on Alder Lake-X. ^{[15] [16]} Intel officially announced the HX processor series on May 10, 2022, including Core i5, Core i7 and Core i9 models, ^[12] when Intel announced "seven new mobile processors for the 12th Gen Intel Core mobile family at its Intel Vision event. ^[17] With the lineup based on Intel's desktop Alder Lake chips, ^[18] it was named the Alder Lake-HX series, or 12th-gen Core HX, with the Core i9-12950HX as the flagship and Intel's first 16-core chip designed for laptops. ^[19]

Features

CPU

Further information: Golden Cove and Gracemont (microarchitecture)

Alder Lake processor die from an i5-12400F with 6 P-cores

An Alder Lake P core

• Golden Cove performance cores ("P-cores")
  • Dedicated floating-point adders ^[20]
  • New 6-wide instruction decoder (from 4-wide in Rocket Lake/Tiger Lake) with the ability to fetch up to 32 bytes of instructions per cycle (from 16) ^[20] and zero latency addition in a small buffer ^[21]
  • 12 execution ports (from 10), 5 integer ALU ports
  • 512 reorder-buffer entries (from 352)
  • 6-wide μOP allocations (from 5)
  • TAGE-like directional branch predictor (with a global history size of 194 taken branches) ^[22]
  • μOP cache size increased to 4K entries (up from 2.25K)
  • AVX-VNNI, a VEX-coded variant of AVX512-VNNI for 256-bit vectors
  • AVX-512 (including FP16) is present but disabled by default to match E-cores. On early revisions of microprocessors it still can be enabled on some motherboards with some BIOS versions by disabling the E-cores. ^{[20] [23]} Intel has physically fused off AVX-512 on later revisions of Alder Lake CPUs manufactured in early 2022 and onward. ^{[24] [25]}
  • ~18% IPC uplift. ^[26]
• Gracemont efficient cores ("E-cores")
  • Aggregated into 4-core clusters with a shared 2MB L2 cache
  • 256 reorder-buffer entries (up from 208 in Tremont)
  • 17 execution ports (up from 12)
  • AVX2, FMA and AVX-VNNI
  • Skylake-like IPC. ^[26]
• New instruction set extensions: ^[27]
  • PTWRITE
  • SERIALIZE
  • HRESET
  • User-mode wait (WAITPKG): TPAUSE, UMONITOR, UMWAIT
• Up to 1 TB/s interconnect between cores ^[20]
• Intel Thread Director (only for CPUs with P and E-cores), which is a marketing name for Enhanced Hardware Feedback Interface (EHFI). This is a hardware technology to assist the OS thread scheduler with more efficient load distribution between heterogeneous CPU cores. ^[4] Enabling this new capability requires support in the operating system.
• Architectural last branch records (LBRs)
• Hypervisor-managed linear address translation (HLAT)
• Control-flow enforcement technology (CET), including support for indirect branch tracking (IBT) and shadow stack (SS)
• 4–30 MB L3 cache ^[20]
• Cores:
  • up to 8 P-cores and 8 E-cores on desktop ^[26]
  • up to 6 P-cores and 8 E-cores on mobile (UP3 designs) ^[26]
  • up to 2 P-cores and 8 E-cores on ultra mobile (UP4 designs) ^[26]
  • only P-cores feature hyper-threading

GPU

• Intel Xe-LP (Gen 12.2) GPU
• Up to 96 EU on mobile and 32 EU on desktop ^[20]
• Up to 4 displays

I/O

• LGA 1700 socket for desktop processors. ^[28]
• BGA1744 Type3 and Type4 HDI for mobile processors ^[4]
• 20 PCIe lanes from CPU
  • 16 PCIe 5.0 lanes ^[20]
  • 04 PCIe 4.0 lanes ^[20]
• Chipset link - DMI 4.0 ×8 link with Intel 600 series PCH chipsets
• DDR5, DDR4, LPDDR5, and LPDDR4X memory support
  • Up to DDR5-4800
  • Up to DDR4-3200
  • Up to LPDDR5-5200
  • Up to LPDDR4x-4267
  • XMP 3.0 ^[1]
  • Dynamic Memory Boost ^[1]
• Integrated Thunderbolt 4 and WiFi 6E support ^[29]
  • Supported via PCH on desktop processors
  • Directly supported by CPU on non-HX mobile processors
  • No support on HX mobile processors, could be added via external controller

Dies

Core i5-1240P mobile processor with 4P + 8E cores based on Alder Lake-P

For the Alder Lake generation, Intel produced 4 different dies. ^{[26] [30]} Each die has a different number of P-cores (P) and E-cores (E) and GPU Execution Units.

Segment	CPU configuration	GPU	Width	Length	Die size
Alder Lake-S (desktop high end) Alder Lake-HX (mobile high end)	8P + 8E	32 EU	10.5 mm	20.5 mm	215.25 mm2
Alder Lake-S (desktop mainstream)	6P + 0E		10.19 mm	15.47 mm	157.74 mm2 [31]
Alder Lake-H Alder Lake-P (mobile mainstream)	6P + 8E	96 EU	10.62 mm	20.45 mm	217.18 mm2
Alder Lake-U (ultra mobile)	2P + 8E

Software support

Alder Lake requires special support from the operating system due to its relatively unusual-for-x86 hybrid nature. For software unable to be upgraded, a UEFI-provided compatibility mode may be used to disable the E-cores; it is enabled by the user turning on scroll lock. ^[32]

CPUID incoherence

The P-cores and E-cores on early versions of Alder Lake CPUs reported different CPUID models. This has caused issues with digital rights management systems that perceive the P-cores and E-cores as being separate computers, and falsely enforce license restrictions preventing a particular piece of software from being executed on more than one device at a time. Intel published a list of PC games it identified as having this compatibility issue, and stated that it was working with publishers to develop patches. Some of the games were identified by Intel as only having this bug on Windows 10, and functioning correctly on Windows 11 (with some of them dependent on Windows 11 patches scheduled to be released in November 2021). ^{[32] [33]} ExamSoft similarly stated that its monitoring software for educational assessments (such as the bar examination) was similarly incompatible with Alder Lake CPUs due to checks detecting virtual machines. ^[34]

This problem has been fixed in a microcode update. The P and E cores now return the same CPUID when both are enabled. A different CPUID is reported when E-cores are disabled and only P-cores are enabled. The AVX-512 instruction set extension is implemented in the P-cores but disabled due to incompatibility with the E-cores. ^[35] Hackers have shown that it is possible to enable the AVX-512 instructions on the P-cores when the E-cores are disabled and an old microcode version is used. ^[36]

There are minor differences between the behavior of the two cores with regard to an undefined overflow flag in certain bitwise operations. ^[37]

Scheduler support

Alder Lake's CPU topology has performance implications, especially for gaming environments where the developers are not used to NUMA setups. Microsoft added support for Intel Thread Director (ITD) in Windows 11. ^{[20] [38]} A wide variety of inputs, including whether a process' window is in the foreground, feeds into the ITD. ^[39] The ITD can function to a lesser extent with the OS providing less or no cooperation. ^[40] Support in Linux is merged in kernel 5.18 ^[41] but this alone is not sufficient until the kernel gets hints from userspace in order to schedule tasks to run on certain types of cores. Windows 10 version 21H2 and later Windows 10 has support for Intel Thread Director, but such support is limited. ^[42]

Blu-Ray DRM support

The CPU family no longer features Intel SGX which is a requirement for playing UltraHD Blu-Ray discs. ^[43]

List of 12th generation Alder Lake processors

Desktop processors (Alder Lake-S)

• All the CPUs support up to 128 GB of DDR4-3200 or DDR5-4800 RAM in dual channel mode ^[44] and up to 256 GB of DDR5 after a BIOS upgrade.
• All the CPUs support 16x PCI Express Gen 5 and 4x PCI Express Gen 4 lanes, but support may vary depending on motherboard and chipsets.
• Models without the F suffix feature any one of the following integrated UHD Graphics GPUs, all with base frequency of 300 MHz:
  • UHD Graphics 770 with 32 EUs,
  • UHD Graphics 730 with 24 EUs,
  • UHD Graphics 710 with 16 EUs.
• By default, Alder Lake CPUs are configured to run at Turbo Power at all times and Base Power is only guaranteed when P-Cores/E-cores do not exceed the base clock rate. ^[20]
• Max Turbo Power: the maximum sustained (> 1 s) power dissipation of the processor as limited by current and/or temperature controls. Instantaneous power may exceed Maximum Turbo Power for short durations (≤ 10 ms). Maximum Turbo Power is configurable by system vendor and can be system specific.
• CPUs in bold below feature ECC memory support only when paired with a motherboard based on the W680 chipset. ^[45]
• By default, Core i9-12900KS achieves 5.5 GHz only when using Thermal Velocity Boost. ^[46]

Processor branding	Model	Cores (threads)		Clock rate (GHz)						GPU		Smart cache	TDP		Price (USD)
				Base		Turbo Boost				Model	Max. freq. (GHz)
						2.0		3.0	TVB
		P	E	P	E	P	E	P	P				Base	Turbo
Core i9	12900KS	8 (16)	8 (8)	3.4	2.5	5.2	4.0	5.3	5.5	UHD 770	1.55	30 MB	150 W	241 W	$739
	12900K			3.2	2.4	5.1	3.9	5.2	—				125 W		$589
	12900KF									—					$564
	12900			2.4	1.8	5.0	3.8	5.1		UHD 770	1.55		65 W	202 W	$489
	12900F									—					$464
	12900T			1.4	1.0	4.8	3.6	4.9		UHD 770	1.55		35 W	106 W	$489
Core i7	12700K		4 (4)	3.6	2.7	4.9	3.8	5.0			1.50	25 MB	125 W	190 W	$409
	12700KF									—					$384
	12700			2.1	1.6	4.8	3.6	4.9		UHD 770	1.50		65 W	180 W	$339
	12700F									—					$314
	12700T			1.4	1.0	4.6	3.4	4.7		UHD 770	1.50		35 W	99 W	$339
Core i5	12600K	6 (12)		3.7	2.8	4.9	3.6	—			1.45	20 MB	125 W	150 W	$289
	12600KF									—					$264
	12600		—	3.3	—	4.8	—			UHD 770	1.45	18 MB	65 W	117 W	$223
	12600T			2.1		4.6							35 W	74 W
	12500			3.0									65 W	117 W	$202
	12500T			2.0		4.4							35 W	74 W
	12490F [47]			3.0		4.6				—		20 MB	65 W	117 W	China exclusive
	12400			2.5		4.4				UHD 730	1.45	18 MB			$192
	12400F									—					$167
	12400T			1.8		4.2				UHD 730	1.45		35 W	74 W	$192
Core i3	12300	4 (8)		3.5		4.4						12 MB	60 W	89 W	$143
	12300T			2.3		4.2							35 W	69 W
	12100			3.3		4.3					1.40		60 W	89 W	$122
	12100F									—			58 W		$97
	12100T			2.2		4.1				UHD 730	1.40		35 W	69 W	$122
Pentium Gold	G7400	2 (4)		3.7		—				UHD 710	1.35	6 MB	46 W	—	$64
	G7400T			3.1									35 W
Celeron	G6900	2 (2)		3.4							1.3	4 MB	46 W		$42
	G6900T			2.8									35 W

Mobile processors

Alder Lake-HX

• desktop processors repurposed for mobile usage.
• features UHD Graphics GPU with 32 EUs (i5-12450HX only has 16 EUs)
• CPUs in bold below feature ECC memory support only when paired with a motherboard based on the WM690 mobile workstation chipset.

These CPUs feature 35 W minimum assured, 45 W base and 157 W maximum turbo power consumption.

Processor branding	Model	Cores (threads)		Base clock (GHz)		Turbo Boost (GHz)		GPU Max. clock rate (GHz)	Smart cache	Price (USD) [a]
		P	E	P	E	P	E
Core i9	12950HX	8 (16)	8 (8)	2.3	1.7	5.0	3.6	1.55	30 MB	$590
	12900HX									$668
Core i7	12850HX			2.1	1.5	4.8	3.4	1.45	25 MB	$428
	12800HX			2.0						$502
	12650HX	6 (12)				4.7	3.3		24 MB	$472
Core i5	12600HX	4 (8)		2.5	1.8	4.6		1.35	18 MB	$284
	12450HX		4 (4)	2.4		4.4	3.1	1.30	12 MB	$312

Alder Lake-H

These CPUs feature 35 W minimum assured, 45 W base and 95 W (Core i5) or 115 W (Core i7/i9) maximum turbo power consumption.

Processor branding	Model	Cores (threads)		Base clock (GHz)		Turbo Boost (GHz)		Iris Xe Graphics		Smart cache	Price (USD) [a]
		P	E	P	E	P	E	EUs	Boost clock (GHz)
Core i9	12900HK	6 (12)	8 (8)	2.5	1.8	5.0	3.8	96	1.45	24 MB	$697
	12900H										$617
Core i7	12800H			2.4		4.8	3.7		1.4		$457
	12700H			2.3	1.7	4.7	3.5				$502
	12650H		4 (4)					64
Core i5	12600H	4 (8)	8 (8)	2.7	2.0	4.5	3.3	80		18 MB	$311
	12500H			2.5	1.8				1.3		$342
	12450H		4 (4)	2.0	1.5	4.4		48	1.2	12 MB

Alder Lake-P

These CPUs feature 20 W minimum assured, 28 W base and 64 W maximum turbo power consumption.

Processor branding	Model	Cores (threads)		Base clock (GHz)		Turbo Boost (GHz)		Iris Xe Graphics		Smart cache	Price (USD) [a]
		P	E	P	E	P	E	EUs	Boost clock (GHz)
Core i7	1280P	6 (12)	8 (8)	1.8	1.3	4.8	3.6	96	1.45	24 MB	$482
	1270P	4 (8)		2.2	1.6		3.5		1.40	18 MB	$438
	1260P			2.1	1.5	4.7	3.4				$480
Core i5	1250P			1.7	1.2	4.4	3.3	80		12 MB	$320
	1240P								1.30		$353
Core i3	1220P	2 (4)		1.5	1.1			64	1.10		$309

Alder Lake-U

Processor branding	Model	Cores (threads)		Base clock (GHz)		Turbo Boost (GHz)		Iris Xe Graphics		Smart cache	TDP		Price (USD) [a]
		P	E	P	E	P	E	EUs	Boost clock (GHz)		Base	Turbo
Core i7	1265U	2 (4)	8 (8)	1.8	1.3	4.8	3.6	96	1.25	12 MB	15 W	55 W	$426
	1260U			1.1	0.8	4.7	3.5		0.9		9 W	29 W
	1255U			1.7	1.2				1.25		15 W	55 W
	1250U			1.1	0.8				0.9		9 W	29 W
Core i5	1245U			1.6	1.2	4.4	3.3	80	1.2		15 W	55 W	$309
	1240U			1.1	0.8				0.9		9 W	29 W
	1235U (with IPU)			1.3	0.9				1.2		15 W	55 W
	1230U			1.0	0.7				0.9		9 W	29 W
Core i3	1215U (with IPU)		4 (4)	1.2	0.9			64	1.1	10 MB	15 W	55 W	$281
	1210U			1.0	0.7				0.85		9 W	29 W
Pentium	8505 (with IPU)	1 (2)		1.2	0.9			48	0.9	8 MB	15 W	55 W	$161
	8500			1.0	0.7				0.7		9 W	29 W
Celeron	7305	1 (1)		1.1	0.9	—			0.9		15 W	55 W	$107
	7300			1.0	0.7				0.7		9 W	29 W

Alder Lake-N

These CPUs feature only E-cores and have 6MB of Smart Cache.

Processor branding	Model	Cores (threads)	Base clock (GHz)	Turbo Boost (GHz)	UHD Graphics		TDP		Embedded options	Price (USD)
					EUs	Boost clock (GHz)	Down	Base
Core i3	N305	8 (8)	1.8 [48]	3.8	32	1.25	9 W	15 W	Yes	$309.00
	N300		0.8 [49]				?	7 W	No
Intel Processor	N200	4 (4)	1.0 [50]	3.7		0.75	0.1	6 W	Yes	$193.00
	N100		0.8	3.4	24		?		No	$55.00
	N97		2.0	3.6		1.2	?	12 W	Yes	$128.00
	N95		1.7 [51]	3.4	16		?	15 W		?
	N50	2 (2)	1.0	3.4	16	0.75	?	6 W		$128.00
Atom	x7425E	4 (4)	1.5		24	1.0	?	12 W		$58.00
	x7213E	2 (2)	1.7	3.2	16		?	10 W		$47.00
	x7211E		1.0				?	6 W		$39.00

Twin lake-N

These CPUs feature only E-cores and have 6MB of Smart Cache.

Processor branding	Model	Cores (threads)	Base clock (GHz)	Turbo Boost (GHz)	UHD Graphics		TDP		Embedded options	Price (USD)
					EUs	Boost clock (GHz)	Down	Base
Core 3	N355	8 (8)	1.8	3.9	32	1.35	9 W	15 W	Yes	$309.00
	N350		0.8				?	7 W	No
Intel Processor	N250	4 (4)	1.2	3.8		1.25	?	6 W	Yes	$193.00
	N150		0.8	3.6	24	1.0	?		No	$128.00

Processors for Internet of Things (IoT) devices and embedded systems (Alder Lake-PS)

Most of these processors are identical to the corresponding Alder Lake-H and Alder Lake-U processors (without the L suffix) listed above.

High-power

These CPUs feature 35 W minimum assured, 45 W base and 65 W maximum assured power consumption.

Processor branding	Model	Cores (threads)		Base clock rate (GHz)			Turbo Boost 3.0 (GHz)		Iris Xe Graphics		Smart cache	Price (USD)
		P	E	P		E	P	E	EUs	Max. clock rate (GHz)
				@45 W	@35 W [52]
Core i7	12800HL	6 (12)	8 (8)	2.4	1.6	1.8	4.8	3.7	96	1.4	24 MB	$457
	12700HL			2.3		1.7	4.7	3.5				$430
Core i5	12600HL	4 (8)		2.7	1.7	2.0	4.5	3.3	80		18 MB	$311
	12500HL			2.5		1.8				1.3		$279
Core i3	12300HL		4 (4)	2.0	1.1	1.5	4.4		48	1.2	12 MB	—

Low-power

These CPUs feature 12 W minimum assured, 15 W base and 28 W maximum assured power consumption.

Processor branding	Model	Cores (threads)		Base clock rate (GHz)				Turbo Boost 3.0 (GHz)		Graphics			Smart cache	Price (USD)
		P	E	P [52]			E	P	E	Brand	EUs	Max. clock rate (GHz)
				@28 W	@15 W	@12 W
Core i7	1265UL	2 (4)	8 (8)	2.6	1.8	1.1	1.3	4.8	3.6	Iris Xe	96	1.25	12 MB	$426
	1255UL				1.7		1.2	4.7	3.5					$399
Core i5	1245UL			2.5	1.6	1.0		4.4	3.3 GHz		80	1.2		$309
	1235UL				1.3		1.1							$277
Core i3	1215UL		4 (4)		1.2	0.8	0.9			UHD	64	1.1	10 MB	$285
Celeron	7305L	1 (1)		—	1.1			—			48		8 MB	$107

See also

• Intel Core
• Intel Lakefield
• Sapphire Rapids, Intel's 4th generation Xeon server processors based on Golden Cove microarchitecture and Intel 7 process
• List of Intel CPU microarchitectures
• LGA 1700 Socket

Notes

1. Price is Recommended Customer Price (RCP) at launch. RCP is the trade price that processors are sold by Intel to retailers and OEMs. Actual MSRP for consumers is higher.

References

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3. "Graphics Driver Support Update for 11th Generation through 14th Generation Intel® Processor Graphics". Intel. September 19, 2025. Retrieved September 22, 2025.
4. Cutress, Ian (August 14, 2020). "Intel Alder Lake: Confirmed x86 Hybrid with Golden Cove and Gracemont for 2021". AnandTech. Archived from the original on August 14, 2020. Retrieved February 15, 2021.
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11. "Intel Expands Mobile Leadership, Brings Enthusiast Performance to". Intel Newsroom. Retrieved September 17, 2022.
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