Xiaomi Redmi K40 ProvsXiaomi Mix 4
We compare these two popular phones to help you decide which one fits your needs and budget better.
Xiaomi Redmi K40 Pro
#322
+10
Processor:Qualcomm Snapdragon 888
RAM:6 GBGB
Storage:128 GBGB
Quick Stats
The Redmi K40 Pro offers a 4520mAh battery with 33W fast charging, ensuring all-day use and rapid recharges.
The Redmi K40 Pro’s 120Hz OLED display delivers sharp, vibrant visuals with 386 PPI, 1300 nits brightness, and a curved design for immersive viewing.
The Redmi K40 Pro offers vibrant daylight photos with a 64MP main sensor but struggles in low light due to lack of OIS and subpar night mode.
The Redmi K40 Pro’s Snapdragon 888 and 6GB RAM deliver smooth performance, but thermal throttling may impact sustained heavy workloads.
Xiaomi Mix 4
#320
Winner
+17
Processor:Qualcomm Snapdragon 888+
RAM:8 GBGB
Storage:128 GBGB
Quick Stats
The Xiaomi Mix 4 offers rapid 120W charging and a long-lasting 4500 mAh battery for all-day use.
Stunning 6.7\" AMOLED display offers 120Hz refresh, 800 nits brightness, and immersive curved design.
Innovative under-display camera with 5X optical zoom and 8K 60fps video for professional-grade imaging.
Flagship Snapdragon 888+ and graphene cooling deliver sustained power for multitasking and 5G performance.
Specifications Comparison
Specification
Xiaomi Xiaomi Redmi K40 Pro
Xiaomi Xiaomi Mix 4
Model
Qualcomm Snapdragon 888
Qualcomm Snapdragon 888+
CPU
1x Cortex X1 2.84GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz
1x Cortex X1 3.0GHz + 3x Cortex A78 2.42GHz + 4x Cortex A55 1.8GHz
Type
Octa-Core
Octa-Core
Nanometer
5 nm
5 nm
Frequency
2,8 GHz
3,0 GHz
64 Bits
Yes
Yes
GPU
Adreno 660
Adreno 660
RAM
6 GB
8 GB
Type
RAM LPDDR5
RAM LPDDR5
Capacity
128 GB
128 GB
Type
UFS Storage 3.1
UFS Storage 3.1
SD slot
No
No
Fingerprint security
Yes, on the side
Yes, in screen
Fingerprint sensor
Yes
Yes
Light sensor
Yes
Yes
Accelerometer sensor
Yes
Yes
Compass sensor
Yes
Yes
Gyroscope sensor
Yes
N/A
Barometer sensor
Yes
N/A
Gravity sensor
N/A
Yes
RGB sensor
Yes
N/A
Hall sensor
N/A
Yes
LiDAR scanner
N/A
Yes
Ultrasonic proximity virtual sensor
Yes
Yes
Audio
Dolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphones
Hi-Res Audio, Stereo Speakers, 2 microphones
Antutu Score
903172
884257
Antutu Version
Antutu v10
Antutu v10
Antutu Standing
Overall performance better than 85% of devices
Overall performance better than 84% of devices
Cooling system
Yes
Yes
Gaming buttons
No
No
Extras
X-axis Linear Motor
1206mm² Large surface 3D graphene board + 4932mm² Medium frame dual 40um graphene + 5150mm² dual 40um graphite, X-axis linear motor
Note: Highlighted specifications show differences between the two devices.
Rankings
Connectivity
Xiaomi Redmi K40 Pro
#298
Xiaomi Mix 4
#289
Winner
Design
Xiaomi Redmi K40 Pro
#606
Xiaomi Mix 4
#602
Winner
Display
Xiaomi Redmi K40 Pro
#499
Xiaomi Mix 4
#259
Winner
Performance
Xiaomi Redmi K40 Pro
#332
Xiaomi Mix 4
#298
Winner
Battery
Xiaomi Redmi K40 Pro
#483
Xiaomi Mix 4
#480
Winner
Camera
Xiaomi Redmi K40 Pro
#234
Winner
Xiaomi Mix 4
#345
| Metric | Xiaomi Redmi K40 Pro | Xiaomi Mix 4 |
|---|---|---|
| Connectivity | #298 | #289 Winner |
| Design | #606 | #602 Winner |
| Display | #499 | #259 Winner |
| Performance | #332 | #298 Winner |
| Battery | #483 | #480 Winner |
| Camera | #234 Winner | #345 |
Note: Lower rank number indicates a better position in category.
Key Differences
No significant specification differences found between these devices.
Scores by Category
Pros and Cons
Xiaomi Redmi K40 Pro
Strengths
Vibrant 6.7-inch OLED display with 120Hz refresh rate and 386 PPI for sharp, immersive visuals.
Flagship Snapdragon 888 chipset with 33W fast charging and 4520mAh battery for all-day performance.
Robust connectivity (Wi-Fi 6, 5G dual SIM, Bluetooth 5.2) and clean Android 14 software experience.
Excellent value proposition with premium features at a budget-friendly price.
Weaknesses
Plastic frame compromises durability and premium feel compared to metal or glass alternatives.
Camera struggles in low-light scenarios due to lack of optical image stabilization (OIS).
Snapdragon 888's thermal throttling impacts sustained performance during heavy gaming/workloads.
No 3.5mm headphone jack, limiting compatibility with wired audio accessories.
Secondary cameras (ultra-wide and macro) lack refinement and detail compared to flagship competitors.
Xiaomi Mix 4
Strengths
Flagship Snapdragon 888+ processor with advanced cooling for sustained performance.
120W ultra-fast charging and 50W wireless charging for rapid power-up.
Innovative under-display front camera with 5X optical zoom and 4K 60fps video.
Premium 6.7" AMOLED display with 120Hz refresh rate, 800 nits brightness, and HDR10+.
Expandable storage via OTG and 12GB RAM option for power users.
Weaknesses
Lacks IP68 water/dust resistance rating for durability.
No eSIM support, limiting dual SIM flexibility.
MIUI 12.5 (or later) may feel outdated compared to newer Android versions.
No microSD card slot for expandable storage (only OTG).
Read Full Reviews
Xiaomi Redmi K40 Pro
Flagship power meets sleek design in the Redmi K40 Pro. A vibrant display, powerful chipset, and long-lasting battery deliver a premium experience with exceptional value. Capture stunning daylight photos and enjoy immersive sound with dual speakers.
Xiaomi Mix 4
Xiaomi Mix 4 blends a sleek, edge-to-edge design with a powerful processor, vibrant display, and rapid charging for an immersive premium experience.
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