Product
Vivo X100s
Vivo X100s
Samsung Galaxy A55
Samsung Galaxy A55
Battery
Charging 100W wired, 50% in 11 min Reverse wired 25W wired
Type Li-Ion 5100 mAh Li-Ion 5000 mAh
Body
Build Glass front, aluminum frame, glass back Glass front (Gorilla Glass Victus+), glass back (Gorilla Glass), aluminum frame
Dimensions 163.1 x 75.8 x 7.8 mm (6.42 x 2.98 x 0.31 in) 161.1 x 77.4 x 8.2 mm (6.34 x 3.05 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + eSIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM + eSIM (max 2 at a time)
Weight 203 g (7.16 oz) 213 g (7.51 oz)
  IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) IP67 dust/water resistant (up to 1m for 30 min)
Comms
Bluetooth 5.4, A2DP, LE, aptX HD, LHDC 5.3, A2DP, LE
Infrared port Yes -
NFC Yes Yes (market/region dependent)
Positioning GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS 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/6/7, dual-band Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass Victus+
Resolution 1260 x 2800 pixels, 20:9 ratio (~453 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~390 ppi density)
Size 6.78 inches, 111.0 cm2 (~89.8% screen-to-body ratio) 6.6 inches, 106.9 cm2 (~85.8% screen-to-body ratio)
Type LTPO AMOLED, 1B colors, 120Hz, 3000 nits (peak) Super AMOLED, 120Hz, HDR10+, 1000 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  - Virtual proximity sensing Circle to Search
Launch
Announced 2024, May 13 2024, March 11
Status Available. Released 2024, May 17 Available. Released 2024, March 15
Main Camera
Features Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import LED flash, panorama, HDR
Triple 50 MP, f/1.6, (wide), 1/1.49", PDAF, OIS 64 MP, f/2.6, 70mm (periscope telephoto), 1/2.0", PDAF, OIS, 3x optical zoom 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF 50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1/3.06", 1.12µm 5 MP, f/2.4, (macro)
Video 4K@30/60fps, 1080p, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
  UFS 4.0 -
Misc
Colors Titanium, White, Grey, Green Iceblue, Lilac, Navy, Lemon
Models V2359A SM-A556V, SM-A556B, SM-A556B/DS, SM-A556E, SM-A556E/DS, SM-A5560
SAR EU - 0.68 W/kg (head)     1.04 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 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 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, 32, 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 / LTE / 5G GSM / HSPA / LTE / 5G
  CDMA 800 -
Platform
Chipset Mediatek Dimensity 9300+ (4 nm) Exynos 1480 (4 nm)
CPU Octa-core (1x3.4 GHz Cortex-X4 & 3x2.85 GHz Cortex-X4 & 4x2.0 GHz Cortex-A720) Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Immortalis-G720 MC12 Xclipse 530
OS Android 14, OriginOS 4 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 32 MP, f/2.0, 20mm (ultrawide) 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm
Video 1080p@30/60fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
Tests
Battery (new) - Active use score 13:27h
Display - 1010 nits max brightness (measured)
Loudspeaker - -25.7 LUFS (Very good)
Performance - AnTuTu: 635598 (v9), 726158 (v10) GeekBench: 3259 (v5), 3350 (v6) 3DMark: 1024 (Wild Life Extreme)