Product
Vivo S18
Vivo S18
Samsung Galaxy F55
Samsung Galaxy F55
Battery
Charging 80W wired, PD Reverse wired 45W wired
Type 5000 mAh 5000 mAh
Body
Build Glass front, plastic frame Glass front, silicone polymer (eco leather) back, plastic frame
Dimensions 164.4 x 75.1 x 7.5 mm (6.47 x 2.96 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 185.8 g (6.56 oz) 180 g (6.35 oz)
  IP54 dust protected and water resistant (water splashes) -
Comms
Bluetooth 5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c) GPS, GALILEO, GLONASS, BDS, QZSS
Radio No No
USB USB Type-C 2.0, OTG 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 1260 x 2800 pixels, 20:9 ratio (~453 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.78 inches, 111.0 cm2 (~89.9% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED, 1B colors, 120Hz, 2800 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 2023, December 14 2024, May 17
Status Available. Released 2023, December 22 Available. Released 2024, May 27
Main Camera
Dual 50 MP, f/1.9, (wide), PDAF, OIS 8 MP, f/2.2, (ultrawide) -
Features Ring-LED flash, panorama, HDR LED flash, panorama, HDR
Triple - 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 No microSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  UFS 2.2 -
Misc
Colors Black, Blue/Green, Silver, Purple Black, Apricot
Models V2323A 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, 3, 4, 5, 7, 8, 18, 19, 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, 5, 8, 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, 5G HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / CDMA2000 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA2000 1x -
Platform
Chipset Qualcomm SM7550-AB Snapdragon 7 Gen 3 (4 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.63 GHz Cortex-A715 & 3x2.4 GHz Cortex-A715 & 4x1.8GHz Cortex-A510) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 720 Adreno 644
OS Android 14, OriginOS 4 Android 14, upgradable to Android 15, One UI 7
Selfie camera
Features Dual-LED flash, HDR -
Single 50 MP, f/2.0, 22mm (wide), AF 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio Snapdragon Sound -