Product
Infinix Zero 5G
Infinix Zero 5G
Xiaomi Redmi K80 Ultra
Xiaomi Redmi K80 Ultra
Battery
Charging 33W wired 100W wired, PD3.0 Bypass charging
Type 5000 mAh Si/C Li-Ion 7410 mAh
Body
Build Glass front, plastic frame, plastic back Glass front, aluminum frame
Dimensions 168.7 x 76.5 x 8.8 mm (6.64 x 3.01 x 0.35 in) 163.1 x 77.9 x 8.2 mm (6.42 x 3.07 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 199 g (7.05 oz) 219 g (7.72 oz)
  - IP68 dust tight and water resistant (immersible up to 2m for 30 min)
Comms
Bluetooth Yes 5.4, A2DP, LE, LHDC 5
Infrared port - Yes
NFC No Yes
Positioning GPS GPS (L1+L5), BDS (B1I+B1C+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC, GLONASS
Radio FM radio Unspecified
USB USB Type-C 2.0, OTG USB Type-C
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Display
Protection - Scratch/drop-resistant glass
Resolution 1080 x 2460 pixels (~388 ppi density) 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Size 6.78 inches, 113.7 cm2 (~88.1% screen-to-body ratio) 6.83 inches, 114.5 cm2 (~90.2% screen-to-body ratio)
Type IPS LCD, 120Hz, 500 nits (peak) OLED, 68B colors, 144Hz, Dolby Vision, HDR10+, HDR Vivid, 1800 nits (HBM), 3200 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
Launch
Announced 2022, February 08 2025, June 26
Status Available. Released 2022, March 03 Available. Released 2025, June 26
Main Camera
Dual - 50 MP, f/1.9, 23mm (wide), 1/1.55", 1.0µm, PDAF, OIS 8 MP, 119˚ (ultrawide), 1/4.0", 1.12µm
Features Quad-LED flash, HDR, panorama Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 13 MP, f/2.5, 50mm (telephoto), 1/3.1", 1.12µm, PDAF, 2x optical zoom 2 MP -
Video 4K@30fps, 1080p@30/60fps 8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) No
Internal 128GB 8GB RAM 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM
  UFS 3.1 UFS 4.1
Misc
Colors Cosmic Black, Skylight Orange, Horizon Blue Gray, White, Blue, Green
Models X6815, X6815B -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 800 / 850 / 900 / 1700(AWS) / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 38, 40, 41, 66 - X6815 1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G bands 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA/Sub6 - X6815 1, 3, 5, 7, 8, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / CDMA / HSPA / CDMA2000 / LTE / 5G
  1, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 - X6815B CDMA2000 1x
Our Tests
Battery (old) Endurance rating 140h -
Camera Photo / Video -
Display 1610:1 contrast ratio, 499 nits max brightness (measured) -
Loudspeaker -27.6 LUFS (Good) -
Performance AnTuTu: 419083 (v8), 487639 (v9) GeekBench: 2169 (v5.1) GFXBench: 19fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 900 (6 nm) Mediatek Dimensity 9400+ (3 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (1x3.63 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU Mali-G68 MC4 Immortalis-G925
OS Android 11, upgradable to Android 12, XOS 10.6 Android 15, HyperOS 2
Selfie camera
Features Dual-LED flash HDR
Single 16 MP, f/2.0, (wide), 1/2.76", 1.12µm 20 MP, (wide), 1/2.0", 0.8µm
Video 1080p@30fps 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  - 24-bit/192kHz Hi-Res & Hi-Res Wireless audio