Product
Xiaomi Black Shark 4S
Xiaomi Black Shark 4S
Samsung Galaxy F55
Samsung Galaxy F55
Battery
Charging 120W wired, 100% in 17 min 45W wired
Type Li-Po 4500 mAh 5000 mAh
Body
Build - Glass front, silicone polymer (eco leather) back, plastic frame
Dimensions 163.7 x 76.2 x 9.9 mm (6.44 x 3.00 x 0.39 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 210 g (7.41 oz) 180 g (6.35 oz)
  Physical pop-up gaming triggers -
Comms
Bluetooth 5.2, A2DP, LE, aptX HD, aptX Adaptive 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, GALILEO, QZSS, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C 2.0 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 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 (~86.1% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type Super AMOLED, 144Hz, HDR10+, 1300 nits (peak) Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2021, October 13 2024, May 17
Status Available. Released 2021, October 16 Available. Released 2024, May 27
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 48 MP, f/1.8, (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), 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@30/60fps, 1080p@30/60/240fps, 1080p@960fps 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  UFS 3.1 -
Misc
Colors Black, White 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 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 8, 28, 41, 77, 78 SA/NSA 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 / CDMA / HSPA / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1xEV-DO -
Platform
Chipset Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 650 Adreno 644
OS Android 11, Joy UI 12.8 Android 14, upgradable to Android 15, One UI 7
Selfie camera
Features HDR -
Single 20 MP, f/2.0, (wide), 0.8µm 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 -