Engineering:Redmi K40

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Short description: Smartphones Manufactured by Xiaomi
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
BrandRedmi
POCO
Xiaomi
ManufacturerXiaomi
SloganPOCO 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
SeriesRedmi K
POCO F
Mi
Compatible networks2G, 3G, 4G, 4G LTE, 5G
First releasedK40/Pro/Pro+: 4 March 2021; 2 years ago (2021-03-04)
POCO F3: 27 March 2021; 2 years ago (2021-03-27)
Mi 11i: April 2021; 2 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; 23 months ago (2022-03-17)
POCO F4: 23 June 2022; 19 months ago (2022-06-23)
PredecessorRedmi K30
Redmi K30 Pro
Redmi K30S Ultra
SuccessorRedmi K50
Xiaomi 12X
TypePhablet
Form factorSlate
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
CPUOcta-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 storageNone
Battery
  • K40/Pro/Pro+/Poco F3: 4520 mAh
  • K40 Gaming: 5065 mAh
  • K40S/Poco F4: 4500 mAh
Data inputs
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+
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 camera20 MP, (f/2.2, 27mm, 1/3.4", 0.8µm)
HDR, 1080p@30fps, 720p@120fps
SoundStereo loudspeakers
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)

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]

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

  • The Redmi K40 is available in 3 colours: Bright Black, Dreamland (silver) and Sunny Snow (white).
  • The Redmi K40 Pro and K40 Pro+ are available in 3 colors: Ink Feather (black feather pattern), Dreamland (silver) and Sunny Snow (white).
  • The POCO F3 is available in 3 colours: Night Black, Arctic White and Deep Ocean Blue.[8] Also later was added Moonlight Silver variant which has the same design as Deep Ocean Blue but in silver colour.[9]
  • Xiaomi Mi 11 is available in 3 colours: Cosmic Black, Celestial Silver and Frosty White.
  • Xiaomi Mi 11X and Mi 11X Pro are available in 3 colours: Cosmic Black, Celestial Silver and Lunar White.
  • Redmi K40S is available in 4 colours: Bright Black, Silent Flower (green), Silver Traces and Magic Mirror (blue-purple gradient).

References

  1. ↑ "Xiaomi unveils Redmi K40 Pro+ with 108 MP camera and S888 chipset, K40 Pro and K40 follow". 25 February 2021. https://www.gsmarena.com/xiaomi_unveils_redmi_k40_pro_k40_pro_and_k40-news-47944.php. 
  2. ↑ "Xiaomi Redmi K40 Pro flaunts Snapdragon 888 and a shocking price tag". 25 February 2021. https://www.slashgear.com/xiaomi-redmi-k40-pro-flaunts-snapdragon-888-and-a-shocking-price-tag-25661354/. 
  3. ↑ "Xiaomi surprises by launching the Redmi K40 Pro Plus; Redmi K40 and Redmi K40 Pro announced too with flagship specifications". 25 February 2021. https://www.notebookcheck.net/Xiaomi-surprises-by-launching-the-Redmi-K40-Pro-Plus-Redmi-K40-and-Redmi-K40-Pro-announced-too-with-flagship-specifications.524403.0.html. 
  4. ↑ "Poco X3 Pro and Poco F3 debut with Snapdragon 860 and 870" (in en-US). https://www.gsmarena.com/poco_x3_pro_f3_debut_snapdragon_860_870-news-48313.php. 
  5. ↑ "Xiaomi Mi 11 Ultra brings massive camera sensors and two screens, Mi 11i also announced" (in en-US). https://www.gsmarena.com/xiaomi_mi_11_ultra_brings_a_massive_gn2_sensor_48_mp_periscope_lens_and_a_secondary_display-news-48419.php. 
  6. ↑ "Xiaomi Mi 11 Ultra, Mi 11X Series and Mi QLED TV 75 debut in India" (in en-US). https://www.gsmarena.com/xiaomi_mi_11_ultra_mi_11x_series_and_mi_qled_tv_75_debut_in_india-news-48807.php. 
  7. ↑ "Poco F4 5G photos leak, the phone is allegedly based on the Redmi K40S" (in en-US). https://www.gsmarena.com/poco_f4_5g_photos_leak_the_phone_is_allegedly_based_on_the_redmi_k40s-news-54598.php. 
  8. ↑ "POCO F3 - Specs" (in en-US). https://www.po.co/global/product/poco-f3/specs. 
  9. ↑ Ikoba, Jed John (2021-11-09). "POCO F3 Moonlight Silver variant is the new kid on the block" (in en-US). https://www.gizmochina.com/2021/11/09/poco-f3-moonlight-silver-variant-is-the-new-kid-on-the-block/. 

External links



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