Redmi K40

Last updated
Redmi K40
(POCO F3; Xiaomi Mi 11X in India)
Redmi K40 Pro
Redmi K40 Pro+
(Xiaomi Mi 11i; Xiaomi Mi 11X Pro in India)
Redmi K40 Gaming
(POCO F3 GT in India)
Redmi K40S
POCO F4
The back of Redmi K40.jpg
Redmi K40 in color Sunny Snow
CodenameK40/Poco F3/Mi 11X: alioth
K40 Pro/K40 Pro+/Mi 11i/11X Pro: haydn
K40 Gaming/Poco F3 GT: ares
K40S/Poco F4: munch
Brand Redmi
POCO
Xiaomi
Manufacturer Xiaomi
Slogan POCO F3:The Real Beast
Mi 11i:The Star Performer
Mi 11X/Pro:Cut Above The Best
POCO F3 GT:Switch It Up!
Poco F4:All the strengths
Series Redmi K
POCO F
Mi
Compatible networks 2G, 3G, 4G, 4G LTE, 5G
First releasedK40/Pro/Pro+: 4 March 2021;3 years ago (2021-03-04)
POCO F3: 27 March 2021;3 years ago (2021-03-27)
Mi 11i: April 2021;3 years ago (2021-04)
Mi 11X/Pro: 27 April 2021;2 years ago (2021-04-27)
K40 Gaming: 30 April 2021;2 years ago (2021-04-30)
POCO F3 GT: 23 July 2021;2 years ago (2021-07-23)
K40S: 17 March 2022;2 years ago (2022-03-17)
POCO F4: 23 June 2022;22 months ago (2022-06-23)
Predecessor Redmi K30
Redmi K30 Pro
Redmi K30S Ultra
Successor Redmi K50
Xiaomi 12X
Type Phablet
Form factor Slate
Dimensions
  • K40/Pro/Pro+/POCO F3: 163.7 mm × 76.4 mm × 7.8 mm (6.44 in × 3.01 in × 0.31 in)
  • K40 Gaming: 161.9 mm × 71.9 mm × 8.3 mm (6.37 in × 2.83 in × 0.33 in)
  • K40S/POCO F4: 163.2 mm × 76 mm × 7.7 mm (6.43 in × 2.99 in × 0.30 in)
Mass
  • K40/Pro/Pro+/POCO F3: 196 g (6.9 oz)* K40 Gaming: 205 g (7.2 oz)* K40S/POCO F4: 195 g (6.9 oz)
Operating system
System-on-chip
CPU Octa-core
  • K40/40S/Poco F3/F4: (1x 3.2 GHz Kryo 585 Prime – Cortex-A77 derivative + 3x 2.42 GHz Kryo 585 Gold – Cortex-A77 derivative + 4x 1.8 GHz Kryo 585 Silver – Cortex-A55 derivative)
  • K40 Pro/Pro+: (1x 2.84 GHz Kryo 680 Prime – Cortex-X1 derivative + 3x 2.42 GHz Kryo 680 Gold – Cortex-A78 derivative + 4x 1.8 GHz Kryo 680 Silver – Cortex-A55 derivative)
  • K40 Gaming: (1x 3.0 GHz Cortex-A78 + 3x 2.6 GHz Cortex-A78 + 4x 2.0 GHz Cortex-A55)
GPU
  • K40/40S/Poco F3/F4: Adreno 650
  • K40 Pro/Pro+: Adreno 660
  • K40 Gaming: Mali-G77 MC9
Memory
  • K40/Pro/Gaming/40S/Poco F3: 6, 8 or 12 GB RAM LPDDR5
  • POCO F3/Mi 11X/Poco F4: 6 or 8 GB RAM LPDDR5
  • K40 Pro+: 12 GB RAM LPDDR5
  • Mi 11i/11X Pro: 8 GB RAM LPDDR5
  • K40 Gaming: 6, 8 or 12 GB RAM LPDDR4X
  • POCO F3 GT: 6 or 8 GB RAM LPDDR4X
Storage128 or 256 GB UFS 3.1
Removable storage None
Battery
  • K40/Pro/Pro+/Poco F3: 4520 mAh
  • K40 Gaming: 5065 mAh
  • K40S/Poco F4: 4500 mAh
Display6.67 in (169 mm) AMOLED capacitive touchscreen, 1080p 1080 × 2400 pixels (2.5 MP), 20:9 aspect ratio (395  ppi), 120  Hz refresh rate, HDR10+
SoundStereo loudspeakers
Rear camera
  • Wide:
    • K40/40S/Poco F3: 48  MP (f/1.8, 26 mm, 1/2", 0.8 µm)
    • K40 Pro: 64 MP (f/1.9, 26 mm, 1/1.7", 0.8 µm)
    • K40 Pro+: 108 MP (f/1.8, 26 mm, 1/1.52", 0.7 µm)
    • K40 Gaming: 64 MP (f/1.7, 26 mm, 1/2.0", 0.7 µm)
    • Poco F4: 64  MP (f/1.8, 26 mm, 0.7 µm)
  • Ultrawide:
    • K40/Pro/Pro+/40S/Poco F3/F4: 8 MP (f/2.2, 119°)
    • K40 Gaming: 8 MP (f/2.2, 120°)
  • Macro:
    • K40/Pro/Pro+/Poco F3: 5 MP (f/2.4, 50mm, 1/5", 1.12µm)
    • K40 Gaming/40S/Poco F4: 2 MP (f/2.4)
  • K40/Poco F3: 4K@30fps, 1080p@30/60/120/240/960fps, PDAF, gyro-EIS
  • K40 Pro/Pro+: 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, PDAF, gyro-EIS, HDR10+
  • K40 Gaming: 4K@30fps, 1080p@30/60/120fps, 720p@960fps, PDAF, gyro-EIS
  • K40S/Poco F4: 4K@30fps, 1080p@30/60/120fps, 720p@960fps, PDAF, OIS, gyro-EIS
Front camera 20 MP, (f/2.2, 27mm, 1/3.4", 0.8µm)
HDR, 1080p@30fps, 720p@120fps
ConnectivityWi-Fi 802.11a/b/g/n/6/6e (2.4 & 5GHz), dual-band, WiFi Direct, DLNA, hotspot Bluetooth V5.1/5.2, A2DP, Low-energy, aptX-HD, NFC, USB 2.0 Type-C, Infrared Blaster, GNSS (A-GPS, GLONASS, GALILEO, BDS, QZSS, NAVIC)
Data inputs

The Redmi K40 is a line of Android-based smartphones manufactured by Xiaomi and marketed under its Redmi sub-brand. There are several models, the K40, K40 Pro, K40 Pro+, K40 Gaming and K40S. [1] [2] [3] In the global market the Redmi K40 was launched as POCO F3 [4] and the Redmi K40 Pro+ was launched as Xiaomi Mi 11i. [5] In April 2021 the Redmi K40 and K40 Pro+ were released in India as Xiaomi Mi 11X and Mi 11X Pro. [6] In July 2021 the Redmi K40 Gaming was released globally as POCO F3 GT. The Redmi K40S was released globally as POCO F4 but with improved specs. [7]

Contents

Design

The front and back panels are made of Gorilla Glass 5, except in the Redmi K40S and Poco F4 where the back panel is made of plastic. The frame is made of aluminium and covered by polycarbonate.

The design of the Redmi K40, K40 Pro and K40 Pro+ is similar to the Mi 11. The design of the Redmi K40S is similar to the Redmi K50 and K50 Pro but with flat edges.

On the bottom side are a USB-C port, speaker, microphone and dual SIM tray. On the top side there are two additional microphones, IR blaster and second speaker. On the right side there are a volume rocker and a power button with an integrated fingerprint scanner.

The Redmi K40 Pro smartphone is fueled by a Non-removable Li-Po 4520 mAh battery. It comes with Fast charging 33W, 100% in 52 min (advertised), Power Delivery 3.0, and Quick Charge 3+.

Colours

Related Research Articles

<span class="mw-page-title-main">Redmi</span> Chinese smartphone brand, made by Xiaomi Corporation

Redmi is a subsidiary company owned by the Chinese electronics company Xiaomi. It was first announced in July 2013 as a budget smartphone line, and became a separate sub-brand of Xiaomi in 2019 with entry-level and mid-range devices, while Xiaomi itself produces upper-range and flagship Xiaomi phones.

<span class="mw-page-title-main">Redmi Note 4</span> Android smartphone developed by Xiaomi

The Xiaomi Redmi Note 4 is the fourth smartphone under the Redmi Note series developed by Xiaomi Inc. It is a part of Xiaomi's budget Redmi smartphone lineup. It has two variants : The older version sold as Redmi Note 4 is powered by a Deca-core Mediatek MT6797 Helio X20 SOC. The upgraded version, sold both as Redmi Note 4X and Redmi Note 4 is powered by an Octa-core MSM8953 Qualcomm Snapdragon 625 SoC. The Redmi Note 4 was succeeded by Redmi Note 5.

Xiaomi Redmi 4 and Xiaomi Redmi 4 Prime are smartphones of Xiaomi that belongs to the Redmi line. They were presented on November 4, 2016 together with Xiaomi Redmi 4A.

Xiaomi Redmi Note 6 Pro is a smartphone developed by Xiaomi Inc. The phone comes in three variants, the base model comes with 3GB RAM and 32GB of internal storage. A variant with 4GB RAM and 64 GB of internal storage is available for a price tag of 13,999 (US$180). The top-end model of the device packs 6GB RAM and 64GB of internal storage, which is expandable via a microSD card up to 256GB. The phone is a mid-range derivative of the flagship Xiaomi Mi 8, sharing similar design elements including its notch display and dual-camera placement, both of which resemble that of iPhone X.

The Redmi Note 7series refer to a series of smartphones released by Redmi, a sub-brand of Xiaomi. All have 48MP + 5MP camera sensors. Most have a Qualcomm Snapdragon 660 SoC, except the Redmi Note 7 Pro, which has a better Qualcomm Snapdragon 675 SoC. The phones support mobile network frequencies in different regions. The Note 7 is available in many local versions and a global version, compatible with mobile phone providers in most places; the Pro model is supplied in slightly different Chinese and Indian versions. The Redmi Note 7S doesn't have much difference when compared to Redmi Note 7 except in case of the rear camera, hence the production of the Redmi Note 7S was discontinued and came under the Redmi Note 7 in India but it's still available separately in China and other countries.

Redmi K20 Pro and Redmi K20 are smartphones introduced by the Xiaomi sub-brand Redmi in an event held in China. A Premium variant for the Pro was later revealed, with the Snapdragon 855+, a new 512 GB/12 GB RAM model, a refined cooling system, and an exclusive finish.

<span class="mw-page-title-main">Redmi Note 9</span> Android-based smartphones manufactured by Xiaomi Inc.

Redmi Note 9 is a line of Android-based smartphones as part of the Redmi Note series by Redmi, a sub-brand of Xiaomi Inc.

<span class="mw-page-title-main">Redmi K30 Pro</span> Smartphones manufactured by Xiaomi

Redmi K30 Pro is a line of Android-based smartphones manufactured by Xiaomi and marketed under its Redmi sub-brand. There are four models, the K30 Pro, K30 Pro Zoom, K30 Ultra and the POCO F2 Pro, which is a rebranded version of the K30 Pro.

<span class="mw-page-title-main">Redmi Note 10</span> Android-based smartphones manufactured by Xiaomi Inc.

The Redmi Note 10 is a line of Android-based smartphones as part of the Redmi Note series by Redmi, a sub-brand of Xiaomi Inc. This series were introduced in March 2021 in India and worldwide and May 2021 in China. It succeeds the Redmi Note 9 series of smartphones, which were introduced in 2020.

<span class="mw-page-title-main">Redmi Note 11</span> Android-based smartphones manufactured by Xiaomi Inc.

The Redmi Note 11 is a line of Android-based smartphones as part of the Redmi Note series by Redmi, a sub-brand of Xiaomi Inc.

<span class="mw-page-title-main">Redmi 10</span> Android-based smartphone manufactured by Xiaomi Inc.

The Redmi 10 is an Android-based smartphone as part of the Redmi series, a sub-brand of Xiaomi Inc. This device was announced on August 18, 2021.

<span class="mw-page-title-main">Redmi K50</span> Smartphones manufactured by Xiaomi

Redmi K50 is a line of Android-based smartphones manufactured by Xiaomi and marketed under its Redmi sub-brand. Redmi K50 Gaming was launched globally as Poco F4 GT.

<span class="mw-page-title-main">Redmi 10 5G</span> Android-based smartphone manufactured by Xiaomi Inc.

The Redmi 10 5G is a 5G Android-based smartphone developed by Redmi, a sub-brand of Xiaomi Inc. Was introduced 29 March 2022 with Redmi Note 11S 5G and global version of Redmi Note 11 Pro+ 5G. Earlier in China Redmi 10 5G was released with Redmi Note 11E Pro as Redmi Note 11E. and later it was released in India with Redmi 11 Prime and Redmi A1 as Redmi 11 Prime 5G with other front camera.

Redmi Pad is an Android tablet computer designed, marketed and manufactured by Xiaomi. This tablet computer was announced on October 4, 2022, it was released on October 5, 2022.

<span class="mw-page-title-main">Redmi Note 12</span> Android-based smartphones manufactured by Xiaomi Inc.

The Redmi Note 12 is a line of Android-based smartphones as part of the Redmi Note series by Redmi, a sub-brand of Xiaomi Inc.

<span class="mw-page-title-main">Redmi A1</span> Android smartphones

Redmi A1 and Redmi A1+ are Android-based smartphone designed, marketed and manufactured by Xiaomi sub-brand Redmi. They were announced on September 6, 2022 and they were released on September 9, 2022. Smartphones have a Mediatek Helio A22 processor, Leather Design and 8MP dual camera. Redmi A1+ has a fingerprint sensor.

<span class="mw-page-title-main">Redmi K60</span> 2022 Android smartphones manufactured by Xiaomi

The Redmi K60 is a series of Android-based smartphones manufactured by Xiaomi. These phones were announced on December 27, 2022. The global version of K60 released as POCO F5 Pro.

<span class="mw-page-title-main">Redmi 8</span> Android-based smartphone manufactured by Xiaomi Inc.

The Redmi 8 is a line of Android-based smartphones as part of the Redmi series, a sub-brand of Xiaomi Inc. The main model Redmi 8 was announced on October 9, 2019, and released on October 12, 2019. On October 12, 2019 Redmi 8A was announced and marketed as a lite model of Redmi 8. Later on February 11, 2020 in India was announced Redmi 8A Dual which has a different camera setup compared to Redmi 8A. On April 2, 2020 Redmi 8A Dual was announced in Indonesia as Redmi 8A Pro.

<span class="mw-page-title-main">Redmi 12</span> Android-based smartphone manufactured by Xiaomi Inc.

The Redmi 12 and Redmi 12 5G are Android-based smartphones marketed as part of the Redmi series by a sub-brand of Xiaomi Inc with the same name. 4G model was announced on June 15, 2023 and 5G model was announced on August 1, 2023.

References

  1. "Xiaomi unveils Redmi K40 Pro+ with 108 MP camera and S888 chipset, K40 Pro and K40 follow". GSMArena. 25 February 2021.
  2. "Xiaomi Redmi K40 Pro flaunts Snapdragon 888 and a shocking price tag". Slashgear. 25 February 2021.
  3. "Xiaomi surprises by launching the Redmi K40 Pro Plus; Redmi K40 and Redmi K40 Pro announced too with flagship specifications". Notebookcheck. 25 February 2021.
  4. "Poco X3 Pro and Poco F3 debut with Snapdragon 860 and 870". GSMArena.com. Retrieved 2021-03-23.
  5. "Xiaomi Mi 11 Ultra brings massive camera sensors and two screens, Mi 11i also announced". GSMArena.com. Retrieved 2021-03-29.
  6. "Xiaomi Mi 11 Ultra, Mi 11X Series and Mi QLED TV 75 debut in India". GSMArena.com. Retrieved 2021-04-23.
  7. "Poco F4 5G photos leak, the phone is allegedly based on the Redmi K40S". GSMArena.com. Retrieved 2022-06-08.
  8. "POCO F3 - Specs". www.po.co. Retrieved 2021-03-23.
  9. Ikoba, Jed John (2021-11-09). "POCO F3 Moonlight Silver variant is the new kid on the block". Gizmochina. Retrieved 2022-06-08.