Category Breakdown
Xiaomi Redmi K40 Gaming
ZTE nubia RedMagic 7S
Performance
89.991.8
Camera
66.769.0
Display
91.990.6
Battery
36.030.6
Build
80.478.7
Connectivity
83.989.3
Audio
87.687.6
Overall
70.471.9
Summary
- The Xiaomi Redmi K40 Gaming features a 6.67-inch OLED display with a 120Hz refresh rate, while the ZTE nubia RedMagic 7S has a larger 6.8-inch AMOLED display with a higher 165Hz refresh rate.
- In terms of performance, the Redmi K40 is powered by the Mediatek Dimensity 1200 chipset, whereas the RedMagic 7S utilizes the more advanced Qualcomm Snapdragon 8+ Gen 1.
- Both phones have a 64 MP main camera, but the RedMagic 7S supports video recording up to 8K, compared to the K40's 4K capabilities.
- The K40 has a larger 5065 mAh battery with 67W charging, while the RedMagic 7S has a smaller 4500 mAh battery but supports faster 120W charging.
- Both devices run Android, with the K40 on MIUI 12.5 and the RedMagic 7S on Redmagic 5.5, offering different software experiences.
- Build quality is solid for both, with the K40 featuring Gorilla Glass 5 on both front and back, while the RedMagic 7S combines glass with an aluminum frame.
Side-by-side Specification Comparison
Xiaomi Redmi K40 Gaming
ZTE nubia RedMagic 7S
General
Release Date
2021, April 27
2022, July 11
Announced
2021, April 27
2022, July 11
Description
Also known as Xiaomi Redmi K40 Gaming Edition
Also known as ZTE nubia Red Magic 7S
Display
Size
6.67"
6.8"
Type
OLED, 1B colors, 120Hz, HDR10+, 500 nits (typ)
AMOLED, 1B colors (China only), 165Hz, 700 nits (typ)
Resolution
1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
1080 x 2400 pixels, 20:9 ratio (~387 ppi density)
PPI
1080
1080
Refresh Rate
120Hz
165Hz
HDR Support
✓
✗
Protection
Corning Gorilla Glass 5
N/A
Performance
Chipset
Mediatek Dimensity 1200 (6 nm)
Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm)
CPU
Octa-core (1x3.0 GHz Cortex-A78 & 3x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510)
GPU
Mali-G77 MC9
Adreno 730
Memory
128GB 6GB RAM, 128GB 8GB RAM, 128GB 12GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
Expandable Storage
✗
✗
Card Slot
No
No
Camera
Main Camera
64 MP, f/1.7, 26mm (wide), 1/2.0", 0.7µm, PDAF8 MP, f/2.2, 120˚ (ultrawide)2 MP, f/2.4, (macro)
64 MP, f/1.8, 26mm (wide), 1/1.97", 0.7µm, PDAF8 MP, f/2.0, 120˚, 13mm (ultrawide), 1/4.0", 1.12µm2 MP, f/2.4, (macro)
Main Camera Features
Color spectrum sensor, Dual-LED flash, HDR, panorama
LED flash, HDR, panorama
Front Camera
16 MP, f/2.5, (wide), 1/3.06" 1.0µm
8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30/60/120fps, 720p@960fps, HDR
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240fps
Selfie Video
1080p@30fps, 720p@120fps, HDR
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5065 mAh
4500 mAh
Battery Details
Li-Po 5065 mAh
Li-Po 4500 mAh
Charging Details
67W wired, PD3.0, QC3, 100% in 42 min
120W wired, PD3.0, 100% in 17 min
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
161.9 x 76.9 x 8.3 mm (6.37 x 3.03 x 0.33 in)
170.6 x 78.3 x 9.5 mm (6.72 x 3.08 x 0.37 in)
Weight
205 g
215 g
Materials
Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5)
Glass front, glass back, aluminum frame
Colors
Black, Gray, Silver, Bruce Lee Yellow
Black, Gray
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 / EVDO / 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
5.2, A2DP, LE
5.2, A2DP, LE, aptX HD, aptX Adaptive
NFC
✓
✓
USB
USB Type-C 2.0, OTG
USB Type-C 3.0, OTG, accessory connector
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, BDS, GALILEO
Audio
Stereo Speakers
✓
✓
Loudspeaker
Yes, with stereo speakers
Yes, with stereo speakers
Audio Jack
No
Yes
Software & Security
Operating System
Android 11, MIUI 12.5
Android 12, Redmagic 5.5
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, compass, barometer
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

