Broadwell (microarchitecture)

Last updated

Broadwell
General information
LaunchedOctober 27, 2014;6 years ago (October 27, 2014)
DiscontinuedNovember 2018 [1]
CPUID code0306D4h
Product code
  • 80658 (mainstream desktop/mobile, Xeon E3)
  • 80660 (Xeon E5)
  • 80669 (Xeon E7)
  • 80671 (enthusiast desktop)
  • 80674 (Xeon D)
  • 80682 (Xeon D, Hewitt Lake)
Cache
L1 cache 64 KB per core
L2 cache256 KB per core
L3 cache2-6 MB (shared)
L4 cache128 MB of eDRAM (Iris Pro models only)
Architecture and classification
Min. feature size 14 nm (Tri-Gate)
ArchitectureBroadwell x86
Instructions x86, x86-64
Extensions
Physical specifications
Cores
    • 2–4 (mainstream)
    • 6–10 (enthusiast)
    • 4–24 (Xeon)
GPU(s)
  • HD 5300
  • HD 5500
  • HD 5700P
  • HD 6000
  • HD 6100
  • HD 6200
  • HD 6300P
  • HD Graphics
Socket(s)
Products, models, variants
Brand name(s)
History
Predecessor
Successor Skylake (Tock/Architecture)
Haswell and Broadwell feature a Fully Integrated Voltage Regulator. Fully Integrated Voltage Regulator.svg
Haswell and Broadwell feature a Fully Integrated Voltage Regulator.

Broadwell is the fifth generation of the Intel Core Processor. It's Intel's codename for the 14 nanometer die shrink of its Haswell microarchitecture. It is a "tick" in Intel's tick–tock principle as the next step in semiconductor fabrication. [2] [3] [4] Like some of the previous tick-tock iterations, Broadwell did not completely replace the full range of CPUs from the previous microarchitecture (Haswell), as there were no low-end desktop CPUs based on Broadwell. [5]

Contents

Some of the processors based on the Broadwell microarchitecture are marketed as "5th-generation Core" i3, i5 and i7 processors. This moniker is however not used for marketing of the Broadwell-based Celeron, Pentium or Xeon chips. This microarchitecture also introduced the Core M processor branding.

Broadwell is the last Intel platform on which Windows 7 is supported by either Intel or Microsoft; however, third-party hardware vendors have offered limited Windows 7 support on more recent platforms [6] .

Broadwell's H and C variants are used in conjunction with Intel 9 Series chipsets (Z97, H97 and HM97), [7] in addition to retaining backward compatibility with some of the Intel 8 Series chipsets.[ citation needed ]

Design and variants

Broadwell has been launched in three major variants: [8]

Instruction set extensions

Broadwell introduces some instruction set architecture extensions: [17] [18]

New features

Broadwell's Intel Quick Sync Video hardware video decoder adds VP8 hardware decoding [23] and encoding [24] support. It adds VP9 and HEVC 10-bit decoding support through the integrated GPU. [25] HEVC decode is achieved through a combination of the fixed function video decoder and shaders. [26] Also, it has two independent bit stream decoder (BSD) rings to process video commands on GT3 GPUs; this allows one BSD ring to process decoding and the other BSD ring to process encoding at the same time. [27]

Broadwell's integrated GPU supports on Windows Direct3D  11.2, OpenGL  4.4 (OpenGL 4.5 on Linux [28] ) and OpenCL  2.0. [29] [30] [31] However, it is marketed as Direct3D-12-ready. [32] Broadwell-E introduced Intel Turbo Boost Max Technology 3.0. [33]

List of Broadwell processors

Desktop processors

Target segmentCores
(threads)
Processor branding
and model
GPU model CPU frequencyTDPGraphics clock rate L3 cache L4 cache [lower-alpha 1] Release
date
Price
(USD)
Socket
BaseTurboBaseMax
Performance4 (8)Core i7 5775C Iris Pro 62003.3 GHz3.7 GHz65 W300 MHz1.15 GHz6 MB128 MBJune 2, 2015 [34] $366LGA
1150
Mainstream4 (4)Core i5 5675C 3.1 GHz3.6 GHz1.1 GHz4 MB$276

"Broadwell-E" HEDT (14 nm)

Model
number
sSpec
number
CoresFrequency Turbo L2
cache
L3
cache
TDP Socket I/O bus Memory Release datePart
number(s)
Release
price (USD)
Core i7-6950X
  • SR2PA
103.0 GHz3.5 GHz10 × 256 KiB25 MB
140 W
LGA 2011-34 × DDR4-240030 May 2016
  • BX80671I76950X
  • BXC80671I76950X
$1723
Core i7-6900K
  • SR2PB
83.2 GHz3.7 GHz8 × 256 KiB20 MB
140 W
LGA 2011-34 × DDR4-2400Q2 2016
  • BX80671I76900K
  • BXC80671I76900K
$1089
Core i7-6850K
  • SR2PC
63.6 GHz3.8 GHz6 × 256 KiB15 MB
140 W
LGA 2011-34 × DDR4-2400Q2 2016
  • BX80671I76850K
  • BXC80671I76850K
$617
Core i7-6800K
  • SR2PD
63.4 GHz3.6 GHz6 × 256 KiB15 MB
140 W
LGA 2011-34 × DDR4-2400Q2 2016
  • BX80671I76800K
  • BXC80671I76800K
$434

Embedded processors

Target
segment
Cores
(threads)
Processor branding
and model
GPU model CPU frequencyTDPGraphics clock rate L3
cache
L4
cache
[lower-alpha 1]
Release datePrice
(USD)
Socket
BaseTurboBaseMax
Performance4 (8)Core i7 5775R Iris Pro 62003.3 GHz3.8 GHz65 W300 MHz1.15 GHz6 MB128 MBJune 2, 2015 [34] $348BGA
1364
Mainstream4 (4)Core i5 5675R 3.1 GHz3.6 GHz1.1 GHz4 MB$265
5575R 2.8 GHz3.3 GHz1.05 GHz$244
Server4 (8)Xeon E3 1284Lv4 Iris Pro P63002.9 GHz3.8 GHz47 W1.15 GHz6 MBOEM
1278Lv4 2.0 GHz3.3 GHz800 MHz1.0 GHz$546
1258Lv4 P57001.8 GHz3.2 GHz700 MHzN/A$481

Mobile processors

Target
segment
Cores
(threads)
Processor branding
and model
GPU model Base
frequency
Turbo frequencyTDP cTDP downGraphics
clock rate
L3
cache
Release datePrice
(USD)
Single CoreDual CoreBaseMax
Performance4 (8)Core i7 5950HQ Iris Pro 62002.9 GHz3.7 GHzN/A47 WN/A300 MHz1.15 GHz6 MBJune 2015$623
5850HQ Iris Pro 62002.7 GHz3.6 GHzN/A47 WN/A300 MHz1.1 GHz6 MBJune 2015$434
5750HQ Iris Pro 62002.5 GHz3.4 GHzN/A47 W600 MHz / 37 W300 MHz1.05 GHz6 MBJune 2015$434
5700HQ HD 56002.7 GHz3.5 GHzN/A47 W600 MHz / 37 W300 MHz1.05 GHz6 MBJune 2015$378
Mainstream2 (4) 5650U HD 60002.2 GHz3.2 GHz3.1 GHz15 W600 MHz / 9.5 W300 MHz1 GHz4 MBQ1 2015$426
5600U HD 55002.6 GHz3.2 GHz3.1 GHz15 W600 MHz / 7.5 W300 MHz950 MHz4 MBQ1 2015$393
5557U Iris 61003.1 GHz3.4 GHz3.4 GHz28 WN/A / 23 W300 MHz1.1 GHz4 MBQ1 2015$426
5550U HD 60002.0 GHz3.0 GHz2.9 GHz15 W600 MHz / 9.5 W300 MHz1 GHz4 MBQ1 2015$426
5500U HD 55002.4 GHz3.0 GHz2.9 GHz15 W600 MHz / 7.5 W300 MHz950 MHz4 MBQ1 2015$393
Core i5 5350H Iris Pro 62003.1 GHz3.5 GHzN/A47 WN/A300 MHz1.05 GHz4 MBJune 2015$289
5350U HD 60001.8 GHz2.9 GHz2.7 GHz15 W600 MHz / 9.5 W300 MHz1 GHz3 MBQ1 2015$315
5300U HD 55002.3 GHz2.9 GHz2.7 GHz15 W600 MHz / 7.5 W300 MHz900 MHz3 MBQ1 2015$281
5287U Iris 61002.9 GHz3.3 GHz3.3 GHz28 W600 MHz / 23 W300 MHz1.1 GHz3 MBQ1 2015$315
5257U Iris 61002.7 GHz3.1 GHz3.1 GHz28 W600 MHz / 23 W300 MHz1.05 GHz3 MBQ1 2015$315
5250U HD 60001.6 GHz2.7 GHz2.5 GHz15 W600 MHz / 9.5 W300 MHz950 MHz3 MBQ1 2015$315
5200U HD 55002.2 GHz2.7 GHz2.5 GHz15 W600 MHz / 7.5 W300 MHz900 MHz3 MBFebruary 2015 [35] $281
Core i3 5157U Iris 61002.5 GHzN/AN/A28 W600 MHz / 23 W300 MHz1 GHz3 MBJanuary 2015$315
5020U HD 55002.2 GHzN/AN/A15 W600 MHz / 10 W300 MHz900 MHz3 MBMarch 2015$281
5015U HD 55002.1 GHzN/AN/A15 W600 MHz / 10 W300 MHz850 MHz3 MBMarch 2015$275
5010U HD 55002.1 GHzN/AN/A15 W600 MHz / 10 W300 MHz900 MHz3 MBJanuary 2015$281
5005U HD 55002.0 GHzN/AN/A15 W600 MHz / 10 W300 MHz850 MHz3 MBJanuary 2015$275
Pentium 3825U HD Graphics1.9 GHzN/AN/A15 W600 MHz / 10 W300 MHz850 MHz2 MBMarch 2015
2 (2) 3805U HD Graphics1.9 GHzN/AN/A15 W600 MHz / 10 W100 MHz800 MHz2 MBQ1 2015$161
Celeron 3755U HD Graphics1.7 GHzN/AN/A15 W600 MHz / 10 W100 MHz800 MHz2 MBQ1 2015$107
3205U HD Graphics1.5 GHzN/AN/A15 W600 MHz / 10 W100 MHz800 MHz2 MBQ1 2015$107
Target
segment
Cores
(Threads)
Processor
Branding & Model
GPU Model Programmable TDP [36] :69–72CPU TurboGraphics Clock rate L3
Cache
Release
Date
Price
(USD)
SDP [37] [38] :71 cTDP down [a] Nominal TDP [b] cTDP up [c] 1-coreNormalTurbo
Mainstream2 (4) [39] Core M (vPro) 5Y71 HD 5300 
(GT2) [40]
3.5 W3.5 W / 600 MHz4.5 W / 1.2 GHz6 W / 1.4 GHz2.9 GHz300 MHz900 MHz4 MBOctober 27, 2014$281
5Y70 N/AN/A4.5 W / 1.1 GHzN/A2.6 GHz100 MHz850 MHzSeptember 5, 2014
Core M 5Y51 3.5 W3.5 W / 600 MHz6 W / 1.3 GHz300 MHz900 MHzOctober 27, 2014
5Y31 4.5 W / 900 MHz6 W / 1.1 GHz2.4 GHz850 MHz
5Y10c 4.5 W / 800 MHz6 W / 1 GHz2.0 GHz800 MHz
5Y10a N/AN/AN/A100 MHzSeptember 5, 2014
5Y10 [41] 4 W / ? MHz
  1. When a cooler or quieter mode of operation is desired, this mode specifies a lower TDP and lower guaranteed frequency versus the nominal mode. [36] :71–72
  2. This is the processor's rated frequency and TDP. [36] :71–72
  3. When extra cooling is available, this mode specifies a higher TDP and higher guaranteed frequency versus the nominal mode. [36] :71–72

Server processors

Target
segment
Cores
(threads)
Processor branding
and model
Base
frequency
Turbo
frequency
TDPSocketMemoryL3
cache
Release datePrice
(USD)
Single coreAll coresTypeChannel
SoC server16 (32) Xeon D D-1587 1.7 GHzN/A2.3 GHz65 WFCBGA 1667DDR4
up to
128 GB
w/ ECC
support
Dual24 MBQ1 2016$1754
D-1577 1.3 GHz2.1 GHz45 WQ1 2016$1477
D-1571 1.3 GHz2.1 GHzQ1 2016$1222
12 (24) D-1567 2.1 GHz2.7 GHz65 W18 MBQ1 2016$1299
D-1559 1.5 GHz2.1 GHz45 WQ2 2016$883
D-1557 1.5 GHz2.1 GHzQ1 2016$844
8 (16) D-1553N 2.3 GHz2.7 GHz65 W12 MBQ3 2017$855
D-1548 2.0 GHz2.6 GHz45 WQ4 2015$675
D-1543N 1.9 GHz2.4 GHzQ3 2017$652
D-1541 2.1 GHz2.7 GHzQ4 2015$581
D-1540 2.0 GHz2.6 GHzQ1 2015$581
D-1539 1.6 GHz2.2 GHz35 WQ2 2016$590
D-1537 1.7 GHz2.3 GHzQ4 2015$571
6 (12) D-1533N 2.1 GHz2.7 GHz45 W9 MBQ3 2017$470
D-1531 2.2 GHz2.7 GHzQ4 2015$348
4 (8) D-1529 1.3 GHz1.3 GHz20 W6 MBQ2 2016$324
6 (12) D-1528 1.9 GHz2.5 GHz35 W9 MBQ4 2015$389
4 (8) D-1527 2.2 GHz2.7 GHz6 MBQ4 2015$259
D-1523N 2.0 GHz2.6 GHz45 WQ3 2017$256
D-1521 2.4 GHz2.7 GHzQ4 2015$199
D-1520 2.2 GHz2.6 GHzQ1 2015$199
D-1518 2.2 GHz2.2 GHz35 WQ4 2015$234
D-1513N 1.6 GHz2.2 GHzQ3 2017$192
Pentium D D1519 1.5 GHz2.1 GHz25 WQ2 2016$200
D1517 1.6 GHz2.2 GHzQ4 2015$194
2 (2) D1509 1.5 GHzTBA19 W3 MB$156
2 (4) D1508 2.2 GHz2.6 GHz25 W$129
2 (2) D1507 1.2 GHzTBA20 W$103
Target
segment
Cores
(threads)
Processor
branding and model
GPU
model
CPU
clock rate
Graphics
clock rate
L3
cache
TDP Release
date
Release
price
(USD)
tray / box
Motherboard
Normal Turbo NormalTurboSocketInterfaceMemory
Server4 (8) Xeon E3 v4 1285v4 Iris Pro P6300 3.5 GHz3.8 GHz300 MHz1.15 GHz6 MB95 WQ2 15$556 /  LGA
1150
DMI 2.0
PCIe 3.0
DDR3 or DDR3L
1333/1600/1866
with ECC
1285Lv4 3.4 GHz65 W$445 / 
1265Lv4 2.3 GHz3.3 GHz1.05 GHz35 W$417 / 
Target
segment
Cores
(threads)
Processor
branding and model
CPU clock rate L3
cache
TDP Release
date
Release
price
Motherboard
Normal Turbo SocketInterfaceMemory
Server
(dual socket)
22 (44) Xeon E5 v4 2699v4 2.2 GHz3.6 GHz55 MB145 WQ1 16$4115 LGA
2011-3
PCIe 3.0 DDR4
1600/1866/2133/2400
with ECC
20 (40) 2698v4 2.2 GHz3.6 GHz50 MB135 W$3226
18 (36) 2697v4 2.3 GHz3.6 GHz45 MB145 W$2702
16 (32) 2697Av4 2.6 GHz3.6 GHz40 MB145 W$2891
18 (36) 2695v4 2.1 GHz3.3 GHz45 MB120 W$2424
14 (28) 2690v4 2.6 GHz3.5 GHz35 MB135 W$2090
10 (20) 2689v4 3.1 GHz3.8 GHz25 MB165 W$2723
12 (24) 2687Wv4 3.0 GHz3.5 GHz30 MB160 W$2141
16 (32) 2683v4 2.1 GHz3.0 GHz40 MB120 W$1846
14 (28) 2680v4 2.4 GHz3.3 GHz35 MB120 W$1745
8 (16) 2667v4 3.2 GHz3.6 GHz25 MB135 W$2057
14 (28) 2660v4 2.0 GHz3.2 GHz35 MB105 W$1445
2658v4 2.3 GHz2.8 GHz$1832
12 (24) 2650v4 2.2 GHz2.9 GHz30 MB105 W$1166 - $1171
14 (28) 2650Lv4 1.7 GHz2.5 GHz35 MB65 W$1329
2648Lv4 1.8 GHz2.5 GHz75 W$1544
6 (12) 2643v4 3.4 GHz3.7 GHz20 MB135 W$1552
10 (20) 2640v4 2.4 GHz3.4 GHz25 MB90 W$939DDR4
1600/1866/2133
with ECC
4 (8) 2637v4 3.5 GHz3.7 GHz15 MB135 W$996DDR4
1600/1866/2133/2400
with ECC
10 (20) 2630v4 2.2 GHz3.1 GHz25 MB85 W$667DDR4
1600/1866/2133
with ECC
2630Lv4 1.8 GHz2.9 GHz55 W$612
12 (24) 2628Lv4 1.9 GHz2.4 GHz30 MB75 W$1364
4 (8) 2623v4 2.6 GHz3.2 GHz10 MB85 W$444
8 (16) 2620v4 2.1 GHz3.0 GHz20 MB$417
10 (20) 2618Lv4 2.2 GHz3.2 GHz25 MB75 W$779
8 (8) 2609v4 1.7 GHz1.7 GHz20 MB85 W$306 - $310DDR4
1600/1866
with ECC
8 (16) 2608Lv4 1.6 GHz1.7 GHz50 W$363
6 (6) 2603v4 1.7 GHz1.7 GHz15 MB85 W$213
Server
(single socket)
8 (16) 1680v4 3.4 GHz4.0 GHz20 MB140 WQ2 16$1723DDR4
1600/1866/2133/2400
with ECC
1660v4 3.2 GHz3.8 GHz$1113
6 (12) 1650v4 3.6 GHz4.0 GHz15 MB$617 - $621
4 (8) 1630v4 3.7 GHz4.0 GHz10 MB$406
1620v4 3.5 GHz3.8 GHz$294 - $297

Roadmap and history

On September 10, 2013, Intel showcased the Broadwell 14 nm processor in a demonstration at IDF. Intel CEO Brian Krzanich claimed that the chip would allow systems to provide a 30 percent improvement in power use over the Haswell chips released in mid-2013. Krzanich also claimed that the chips would ship by the end of 2013; [42] however, the shipment was delayed due to low yields from Intel's 14 nm process. [43]

On October 21, 2013, a leaked Intel roadmap indicated a late 2014 or early 2015 release of the K-series Broadwell on the LGA 1150 platform, in parallel with the previously announced Haswell refresh. This would coincide with the release of Intel's 9-series chipset, which would be required for Broadwell processors due to a change in power specifications for its LGA 1150 socket. [44] [45]

On May 18, 2014, Reuters quoted Intel's CEO promising that Broadwell-based PCs would be on shelves for the holiday season, but probably not for the back-to-school shopping. [46]

Mobile CPUs were expected in Q4 2014 and high-performance quad-core CPUs in 2015. The mobile CPUs would benefit from the reduced energy consumption of the die shrink. [47] [48]

On June 18, 2014, Intel told CNET that while some specialized Broadwell-based products would be out in Q4 2014, "broader availability" (including mobile CPUs) would only happen in 2015. [49]

As of July 2014, Broadwell CPUs were available to Intel's hardware partners in sample quantities. [50] Intel was expected to release 17 Broadwell U series family microprocessors at CES 2015. [51] Also, according to a leak posted on vr-zone, Broadwell-E chips would be available in 2016. [52]

On August 11, 2014, Intel unveiled formally its 14 nm manufacturing process, and indicated that mobile variants of the process would be known as Core M products. Additionally, Core M products were announced to be shipping during the end of 2014, with desktop variants shipping shortly after. [53]

With Broadwell, Intel focused mainly on laptops, miniature desktops, and all-in-one systems. [54] This left traditional desktop users with no new socketed CPU options beyond fourth-generation Haswell, which first arrived in 2013. Even though the company finally introduced two Broadwell desktop chips in the summer of 2015, it launched its high-end sixth-generation Skylake CPUs very shortly thereafter. In September 2015, Kirk Skaugen, senior vice president and general manager of Intel's Client Computing Group, admitted that skipping desktops with Broadwell was a poor decision. Between the end-of-life for Windows XP in 2014 and the lack of new desktop chips, Intel had not given desktop PC users any good reasons to upgrade in 2015. [54]

Releases

On September 5, 2014, Intel launched the first three Broadwell-based processors that belong to the low-TDP Core M family, Core M 5Y10, Core M 5Y10a and Core M 5Y70. [55]

On October 9, 2014, the first laptop with Broadwell Intel Core M 5Y70 CPU, Lenovo Yoga 3 Pro, was launched. [56]

On October 31, 2014, four more Broadwell based CPUs were launched belonging to Core M Family, increasing the number of launched Broadwell CPUs to seven. [57]

On January 5, 2015, 17 additional Broadwell laptop CPUs were launched for the Celeron, Pentium and Core i3, i5 and i7 series. [58]

On March 31, 2016, Intel officially launched 14 nm Broadwell-EP Xeon E5 V4 CPUs. [59]

On May 30, 2016, Intel officially launched 14 nm Broadwell-E Core i7 69xx/68xx processor family.

See also

Notes

  1. 1 2 Implemented as eDRAM and serving primarily to increase the performance of integrated GPU, while being shared with the CPU.

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Skylake is the codename used by Intel for a processor microarchitecture that was launched in August 2015 succeeding the Broadwell microarchitecture. Skylake is a microarchitecture redesign using the same 14 nm manufacturing process technology as its predecessor, serving as a "tock" in Intel's "tick–tock" manufacturing and design model. According to Intel, the redesign brings greater CPU and GPU performance and reduced power consumption. Skylake CPUs share their microarchitecture with Kaby Lake, Coffee Lake, Cannon Lake, Whiskey Lake, and Comet Lake CPUs.

Ivy Bridge (microarchitecture)

Ivy Bridge is the codename for the "third generation" of the Intel Core processors. Ivy Bridge is a die shrink to 22 nanometer manufacturing process based on the 32 nanometer Sandy Bridge —see tick–tock model. The name is also applied more broadly to the 22 nm die shrink of the Sandy Bridge microarchitecture based on FinFET ("3D") Tri-Gate transistors, which is also used in the Xeon and Core i7 Ivy Bridge-EX (Ivytown), Ivy Bridge-EP and Ivy Bridge-E microprocessors released in 2013.

Intel X99, codenamed "Wellsburg", is a Platform Controller Hub (PCH) designed and manufactured by Intel, targeted at the high-end desktop (HEDT) and enthusiast segments of the Intel product lineup. The X99 chipset supports both Intel Core i7 Extreme and Intel Xeon E5-16xx v3 and E5-26xx v3 processors, which belong to the Haswell-E and Haswell-EP variants of the Haswell microarchitecture, respectively. All supported processors use the LGA 2011-v3 socket.

Kaby Lake is Intel's codename for its seventh generation Core microprocessor family announced on August 30, 2016. Like the preceding Skylake, Kaby Lake is produced using a 14 nanometer manufacturing process technology. Breaking with Intel's previous "tick–tock" manufacturing and design model, Kaby Lake represents the optimized step of the newer process–architecture–optimization model. Kaby Lake began shipping to manufacturers and OEMs in the second quarter of 2016, and mobile chips have started shipping while Kaby Lake (desktop) chips were officially launched in January 2017.

Coffee Lake Eighth-generation Intel Core microprocessor family

Coffee Lake is Intel's codename for its eighth generation Core microprocessor family, announced on September 25, 2017. It is manufactured using Intel's second 14 nm process node refinement. Desktop Coffee Lake processors introduced i5 and i7 CPUs featuring six cores and Core i3 CPUs with four cores and no hyperthreading.

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