Product
OnePlus 7T
OnePlus 7T
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 30W wired 45W wired
Type Li-Po 3800 mAh, non-removable 5000 mAh
Body
Build Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame -
Dimensions 160.9 x 74.4 x 8.1 mm (6.33 x 2.93 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 190 g (6.70 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.0, A2DP, LE, aptX HD 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a) GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C 3.1, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA 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 (~402 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.55 inches, 103.6 cm2 (~86.5% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type Fluid AMOLED, 90Hz, HDR10+ Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
  Virtual proximity sensing -
Launch
Announced 2019, September 26 2024, September 24
Status Available. Released 2019, September 27 Available. Released 2024, September 26
Main Camera
Features Dual-LED flash, HDR, panorama LED flash, panorama, HDR
Triple 48 MP, f/1.6, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 12 MP, f/2.2, 51mm (telephoto), 1.0µm, PDAF, 2x optical zoom 16 MP, f/2.2, 17mm (ultrawide), 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, 720p@960fps, Auto HDR, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.0 -
Misc
Colors Frosted Silver, Glacier Blue, White Thunder Black, Coral Green
Models HD1901, HD1903, HD1900, HD1907, HD1905 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 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 32, 34, 38, 39, 40, 41, 66 - EU 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 42.2/5.76 Mbps, LTE (5CA) Cat18 1200/150 Mbps HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 29, 34, 38, 39, 40, 41 - CN, IN -
Our Tests
Audio quality Noise -94.0dB / Crosstalk -93.6dB -
Battery (old) Endurance rating 90h -
Camera Photo / Video -
Loudspeaker Voice 79dB / Noise 77dB / Ring 91dB -
Performance AnTuTu: 391545 (v7), 485585 (v8) GeekBench: 11394 (v4.4), 2858 (v5.1) GFXBench: 41fps (ES 3.1 onscreen) -
Platform
Chipset Qualcomm SM8150 Snapdragon 855+ (7 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 640 (700 MHz) Adreno 644
OS Android 10, upgradable to Android 12, OxygenOS 12.1 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 16 MP, f/2.0, 25mm (wide), 1/3.06", 1.0µm 50 MP, f/2.4, (wide)
Video 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers