Xiaomi Redmi K40 Pro

Specifications
Xiaomi Redmi K40 Pro
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  • 6.67" 1080x2400 pixels
  • 64MP 4320p
  • 6-12GB RAM Snapdragon 888 5G
  • 4520mAh 33W
Released 2021, March 04 196g, 7.8mm thickness Android 11, MIUI 12 128GB/256GB storage, no card slot
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Network
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
2G bands GSM 850 / 900 / 1800 / 1900
  CDMA 800
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
  CDMA2000 1x
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42
5G bands 1, 3, 28, 41, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G
Launch
Announced 2021, February 25
Status Available. Released 2021, March 04
Body
Dimensions 163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Weight 196 g (6.91 oz)
SIM Nano-SIM + Nano-SIM
 IP53, dust and splash resistant
Display
Type Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Size 6.67 inches, 107.4 cm2 (~85.9% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Protection Corning Gorilla Glass 5
Platform
OS Android 11, MIUI 12
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU Adreno 660
Memory
Card slot No
Internal 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 UFS 3.1
Main Camera
Triple 64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF
8 MP, f/2.2, 119˚ (ultrawide)
5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Features LED flash, HDR, panorama
Video 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie Camera
Single 20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Features HDR
Video 1080p@30fps, 720p@120fps
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Sound
Loudspeaker Yes, with stereo speakers
3.5mm jack No
 24-bit/192kHz Hi-Res audio
Snapdragon Sound
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth 5.2, A2DP, LE, aptX HD, aptX Adaptive
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
NFC Yes
Infrared port Yes
Radio No
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, color spectrum, barometer
Battery
Type Li-Po 4520 mAh
Charging 33W wired, PD3.0, QC3, 100% in 52 min (advertised)
Misc
Colors Black, White, Aurora
Models M2012K11C
Price About 360 EUR

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User opinions and reviews

  • Anonymous
  • 21 Oct 2024
  • gjW

I have both F3 and K40 pro (both 8gb, 256gb) F3: Pros -Better battery (I feel like F3 does a lot better on standby) -More support on custom ROM -Better brightness (?) -Cheaper K40 PRO: Pros -The camera is slightly better (more detai...

  • Anonymous
  • 07 Oct 2024
  • Lxf

I don't see many sharing actual user experience here. Are there not many actual users or they don't use it for a long time due to some issue? This one has SD 888, which I heard often heats up (unless it's optimized for gaming li...

  • Anonymous
  • 04 Oct 2024
  • 64i

Facing a difficult choice here: K40 VS K40 pro SD 888 would heat up so badly here since it's hot. But I don't play those games, and I don't know how it will be for a long term.

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