Product
Vivo V20 2021
Vivo V20 2021
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 33W wired 45W wired
Type 4000 mAh 5000 mAh
Body
Build Glass front, glass back -
Dimensions 161.3 x 74.2 x 7.4 mm (6.35 x 2.92 x 0.29 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 171 g (6.03 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.1, A2DP, LE 5.2, A2DP, LE
NFC Yes (market/region dependent) Yes
Positioning GPS, GLONASS, GALILEO, BDS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio 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
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.44 inches, 100.1 cm2 (~83.7% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED 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 2020, December 24 2024, September 24
Status Available. Released 2020, December 24 Available. Released 2024, September 26
Main Camera
Features Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Triple 64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm, AF 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 4K@30fps, 1080p@30/60fps, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
Misc
Colors Sunset Melody, Midnight Jazz, Moonlight Sonata Thunder Black, Coral Green
Models V2040, V2043_21 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 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 28, 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, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SDM730 Snapdragon 730 (8 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 618 Adreno 644
OS Android 11, upgradable to Android 12, Funtouch 12 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 44 MP, f/2.0, (wide), AF 50 MP, f/2.4, (wide)
Video 4K@30fps, 1080p@30fps, gyro-EIS 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -