Product
Oppo Reno8 Z
Oppo Reno8 Z
Samsung Galaxy F55
Samsung Galaxy F55
Battery
Charging 33W wired, PD, 31% in 15 min, 100% in 63 min Reverse wired 45W wired
Type Li-Po 4500 mAh 5000 mAh
Body
Build Glass front, plastic frame, glass back Glass front, silicone polymer (eco leather) back, plastic frame
Dimensions 159.9 x 73.2 x 7.7 mm (6.30 x 2.88 x 0.30 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 181 g (6.38 oz) 180 g (6.35 oz)
  RGB ring lights around the cameras (notifications, charging progress) -
Comms
Bluetooth 5.1, A2DP, LE, aptX HD 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS, GLONASS, BDS, GALILEO, QZSS GPS, GALILEO, GLONASS, BDS, QZSS
Radio Unspecified 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 Schott Xensation Up -
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.43 inches, 99.8 cm2 (~85.3% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED, 430 nits (typ), 600 nits (HBM) Super AMOLED+, 120Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, proximity, gyro, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2022, August 04 2024, May 17
Status Available. Released 2022, August 04 Available. Released 2024, May 27
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 64 MP, f/1.7, 26mm (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) 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, 720p@30/120fps, EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  UFS 2.2 -
Misc
Colors Starlight Black, Dawnlight Gold 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) / 1800 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 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 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
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 12, ColorOS 12.1 Android 14, upgradable to Android 15, One UI 7
Selfie camera
Features HDR, panorama -
Single 16 MP, f/2.4, 27mm (wide), 1.0µm 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