Product
Infinix Zero 5G
Infinix Zero 5G
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 33W wired 45W wired
Type 5000 mAh 5000 mAh
Body
Build Glass front, plastic frame, plastic back -
Dimensions 168.7 x 76.5 x 8.8 mm (6.64 x 3.01 x 0.35 in) 163.9 x 76.5 x 7.8 mm (6.45 x 3.01 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 199 g (7.05 oz) 180 g (6.35 oz)
Comms
Bluetooth Yes 5.2, A2DP, LE
NFC No Yes
Positioning GPS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio No
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
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, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2460 pixels (~388 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.78 inches, 113.7 cm2 (~88.1% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type IPS LCD, 120Hz, 500 nits (peak) Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2022, February 08 2024, September 24
Status Available. Released 2022, March 03 Available. Released 2024, September 26
Main Camera
Features Quad-LED flash, HDR, panorama LED flash, panorama, HDR
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 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚ (ultrawide) 2 MP, f/2.4, (macro)
Video 4K@30fps, 1080p@30/60fps 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 -
Misc
Colors Cosmic Black, Skylight Orange, Horizon Blue Thunder Black, Coral Green
Models X6815, X6815B SM-M558B, SM-M558B/DS
SAR - 0.93 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 17, 20, 28, 38, 40, 41, 66 - X6815 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 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, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
  1, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 - X6815B -
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) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G68 MC4 Adreno 644
OS Android 11, upgradable to Android 12, XOS 10.6 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features Dual-LED flash -
Single 16 MP, f/2.0, (wide), 1/2.76", 1.12µm 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers