Category Breakdown
Xiaomi Redmi K40S
Xiaomi Redmi Note 12 Pro
Performance
90.587.9
Camera
85.794.5
Display
93.293.4
Battery
30.633.7
Build
73.790.2
Connectivity
83.987.8
Audio
87.687.6
Overall
74.177.4
Summary
- The Xiaomi Redmi K40S features a glass front and plastic back, while the Redmi Note 12 Pro has a glass front and glass back, contributing to a slightly heavier build.
- Both phones have a 6.67-inch AMOLED display with a 120Hz refresh rate, but the Note 12 Pro supports Dolby Vision and has a peak brightness of 900 nits compared to the K40S's 1300 nits.
- In terms of performance, the K40S is powered by the Snapdragon 870, whereas the Note 12 Pro utilizes the Dimensity 1080, offering different processing capabilities.
- The K40S has a 48 MP main camera, while the Note 12 Pro features a 50 MP main sensor, both with OIS and capable of 4K video recording.
- Battery capacity is higher in the Note 12 Pro at 5000 mAh compared to the K40S's 4500 mAh, but both support 67W fast charging.
- Both devices run on Android 12 with MIUI 13, but the Note 12 Pro includes a headphone jack, which the K40S lacks.
Side-by-side Specification Comparison
Xiaomi Redmi K40S
Xiaomi Redmi Note 12 Pro
General
Release Date
2022, March 17
2022, October 27
Announced
2022, March 17
2022, October 27
Description
N/A
N/A
Display
Size
6.67"
6.67"
Type
AMOLED, 120Hz, HDR10+, 1300 nits (peak)
AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 500 nits (typ), 900 nits (HBM)
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)
Mediatek Dimensity 1080 (6 nm)
CPU
Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585)
Octa-core (2x2.6 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
Adreno 650
Mali-G68 MC4
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, (wide), 1/2.0", 0.8µm, PDAF, OIS8 MP, 119˚ (ultrawide)2 MP, f/2.4, (macro)
50 MP, f/1.9, 24mm (wide), 1/1.56", 1.0µm, PDAF, OIS8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro)
Main Camera Features
Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Dual-LED dual-tone flash, HDR, panorama
Front Camera
20 MP, (wide)
16 MP, f/2.5, (wide), 1/3.06", 1.0µm
Front Camera Features
N/A
HDR
Video Recording
4K@30fps, 1080p@30/60/120fps, 720p@960fps; gyro-EIS
4K@30fps, 1080p@30/60/120fps, 720p@960fps
Selfie Video
1080p@30/120fps
1080p@30/60fps
Optical Stabilization
✓
✓
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
4500 mAh
5000 mAh
Battery Details
Li-Po 4500 mAh
Li-Po 5000 mAh
Charging Details
67W wired, PD3.0, QC3, 100% in 38 min
67W wired, PD3.0, 50% in 15 min, 100% in 46 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in)
163 x 76 x 8 mm (6.42 x 2.99 x 0.31 in)
Weight
195 g
187 g
Materials
Glass front (Gorilla Glass 5), plastic back
Glass front (Gorilla Glass 5), glass back, plastic frame
Colors
Black, Gray, Blue, Green
Frosted Blue (Sky Blue), Onyx Black (Midnight Black), Polar White, Stardust Purple
Foldable
✗
✗
SAR
N/A
1.09 W/kg (head) 1.06 W/kg (body)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
GSM / CDMA / HSPA / EVDO / LTE / 5G
Network Speed
HSPA, LTE, 5G
HSPA, LTE (CA), 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/6, dual-band, Wi-Fi Direct
Bluetooth
5.2, A2DP, LE
5.2, A2DP, LE
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS (L1+L5), GLONASS (L1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5)
GPS (L1), GLONASS (G1), BDS (B1I+B1c), GALILEO (E1), QZSS (L1)
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
Yes
Software & Security
Operating System
Android 12, MIUI 13
Android 12, MIUI 13
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

