Product
Infinix Zero X
Infinix Zero X
Samsung Galaxy F55
Samsung Galaxy F55
Battery
Charging 45W wired, 40% in 15 min 45W wired
Type 4500 mAh 5000 mAh
Body
Build Glass front, glass back, plastic frame Glass front, silicone polymer (eco leather) back, plastic frame
Dimensions 164.1 x 75.7 x 7.8 mm (6.46 x 2.98 x 0.31 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 193 g (6.81 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, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.67 inches, 107.4 cm2 (~86.5% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED, 120Hz, 700 nits (peak) Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2021, September 13 2024, May 17
Status Available. Released 2021, September 17 Available. Released 2024, May 27
Main Camera
Features Quad-LED flash, HDR, panorama LED flash, panorama, HDR
Triple 64 MP, f/1.9, (wide), PDAF, OIS 8 MP, f/3.4, 125mm (periscope telephoto), PDAF, 5x optical zoom, OIS 8 MP, f/2.3, 13mm, 120˚ (ultrawide), 1/4.0", 1.12µm, AF 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@30fps 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, 256GB 12GB RAM
  UFS 2.2 -
Misc
Colors Nebula Black, Starry Silver Black, Apricot
Models - SM-E556B/DS, SM-E556B
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, 20, 28, 38, 40, 41 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, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Mediatek MT6785V/CD Helio G95 (12 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Mali-G76 MC4 Adreno 644
OS Android 11, XOS 7.6 Android 14, upgradable to Android 15, One UI 7
Selfie camera
Features Dual-LED flash -
Single 16 MP, (wide) 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with dual speakers Yes, with stereo speakers