Category Breakdown
Xiaomi Redmi K40
Xiaomi Redmi K40 Pro
Performance
90.590.1
Camera
68.169.7
Display
93.793.7
Battery
31.031.0
Build
0.20.2
Connectivity
83.584.8
Audio
87.687.6
Overall
63.063.3
Summary
- The Xiaomi Redmi K40 and K40 Pro share similar build quality, dimensions, and display specifications, featuring a 6.67-inch Super AMOLED screen with a 120Hz refresh rate and HDR10+.
- However, the K40 Pro offers superior performance with the Snapdragon 888 chipset compared to the Snapdragon 870 in the K40, resulting in enhanced processing power and graphics capabilities.
- In terms of camera, the K40 Pro has a 64 MP main sensor versus the K40's 48 MP, allowing for higher resolution images and 8K video recording.
- Both models have identical battery capacities of 4520 mAh and support 33W charging, but the K40 Pro benefits from improved connectivity options with Wi-Fi 6e and Bluetooth 5.2.
- Both devices run on Android 11 with MIUI 12, providing a similar software experience.
Side-by-side Specification Comparison
Xiaomi Redmi K40
Xiaomi Redmi K40 Pro
General
Release Date
2021, February 25
2021, February 25
Announced
2021, February 25
2021, February 25
Description
N/A
N/A
Display
Size
6.67"
6.67"
Type
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Super AMOLED, 120Hz, HDR10+, 1300 nits (peak)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
PPI
1080
1080
Refresh Rate
120Hz
120Hz
HDR Support
✓
✓
Protection
Corning Gorilla Glass 5
Corning Gorilla Glass 5
Performance
Chipset
Qualcomm SM8250-AC Snapdragon 870 5G (7 nm)
Qualcomm SM8350 Snapdragon 888 5G (5 nm)
CPU
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
GPU
Adreno 650
Adreno 660
Memory
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 119˚ (ultrawide)5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
64 MP, f/1.9, 26mm (wide), 1/1.7", 0.8µm, PDAF8 MP, f/2.2, 119˚ (ultrawide)5 MP, f/2.4, 50mm (macro), 1/5.0", 1.12µm
Main Camera Features
Color spectrum sensor, LED flash, HDR, panorama
Color spectrum sensor, LED flash, HDR, panorama
Front Camera
20 MP, f/2.5, (wide), 1/3.4", 0.8µm
20 MP, f/2.5, (wide), 1/3.4", 0.8µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30/60/120/240/960fps, gyro-EIS
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie Video
1080p@30fps, 720p@120fps
1080p@30fps, 720p@120fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4520 mAh
4520 mAh
Battery Details
Li-Po 4520 mAh
Li-Po 4520 mAh
Charging Details
33W wired, PD3.0, QC3, 100% in 52 min
33W wired, PD3.0, QC3, 100% in 52 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
163.7 x 76.4 x 7.8 mm (6.44 x 3.01 x 0.31 in)
Weight
196 g
196 g
Materials
N/A
N/A
Colors
Black, White, Aurora
Black, White, Aurora
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE, 5G
5G
✓
✓
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
5.1, A2DP, LE
5.2, A2DP, LE, aptX HD, aptX Adaptive
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS (G1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC
GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
No
Software & Security
Operating System
Android 11, MIUI 12
Android 11, MIUI 12
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer

