Product
Xiaomi Poco X4 Pro 5G
Xiaomi Poco X4 Pro 5G
Samsung Galaxy F55
Samsung Galaxy F55
Battery
Charging 67W wired, PD3.0, QC3, 70% in 22 min, 100% in 41 min 45W wired
Type Li-Po 5000 mAh 5000 mAh
Body
Build Glass front (Gorilla Glass 5), glass back, plastic frame Glass front, silicone polymer (eco leather) back, plastic frame
Dimensions 164.2 x 76.1 x 8.1 mm (6.46 x 3.00 x 0.32 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 205 g (7.23 oz) 180 g (6.35 oz)
  IP53 dust protected and water resistant (vertical water sprays) -
Comms
Bluetooth 5.1, A2DP, LE 5.2, A2DP, LE
Infrared port Yes -
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, BDS, GALILEO 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, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 5 -
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 (~86.0% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type Super AMOLED, 120Hz, 700 nits, 1200 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 28 2024, May 17
Status Available. Released 2022, March 23 Available. Released 2024, May 27
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.9, 26mm (wide), 1/1.52", 0.7µm, PDAF - Global version 64 MP, f/1.8, 26mm (wide), 0.7µm, PDAF - India version 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 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 1080p@30fps 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC (uses shared SIM slot) microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  UFS 2.2 -
Misc
Colors Laser Black, Laser Blue, Poco Yellow Black, Apricot
Models 2201116PG SM-E556B/DS, SM-E556B
SAR 1.06 W/kg (head)     1.09 W/kg (body)     0.93 W/kg (head)    
SAR EU 0.60 W/kg (head)     0.96 W/kg (body)     -
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 40, 41 - Global 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 SA/NSA - Global 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE (CA), 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
  1, 3, 5, 8, 28, 40, 78 SA/NSA - India -
Our Tests
Battery (old) Endurance rating 119h -
Camera Photo / Video -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker -26.8 LUFS (Good) -
Performance AnTuTu: 335353 (v8), 384646 (v9) GeekBench: 2063 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM6375 Snapdragon 695 5G (6 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 660 Gold & 6x1.7 GHz Kryo 660 Silver) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 619 Adreno 644
OS Android 11, MIUI 13 for POCO Android 14, upgradable to Android 15, One UI 7
Selfie camera
Features HDR, panorama -
Single 16 MP, f/2.5, (wide), 1/3.06" 1.0µm 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -