Product
Vivo V21
Vivo V21
Samsung Galaxy M56
Samsung Galaxy M56
Battery
Charging 33W wired, 63% in 30 min 45W wired
Type 4000 mAh 5000 mAh
Body
Build Glass front, plastic frame, plastic back Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
Dimensions 159.7 x 73.9 x 7.3 mm (6.29 x 2.91 x 0.29 in) 162 x 77.3 x 7.2 mm (6.38 x 3.04 x 0.28 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 176 g (6.21 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.1, A2DP, LE 5.3, A2DP, LE
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS 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, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass Victus+
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~382 ppi density)
Size 6.44 inches, 100.1 cm2 (~84.8% screen-to-body ratio) 6.74 inches, 111.5 cm2 (~89.0% screen-to-body ratio)
Type AMOLED, 90Hz, HDR10+, 500 nits (typ) Super AMOLED+, 120Hz
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Launch
Announced 2021, April 27 2025, April 17
Status Available. Released 2021, May 05 Available. Released 2025, April 17
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF, OIS 8 MP, f/2.2, 120˚, 16mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 50 MP, f/1.8, (wide), PDAF, OIS 8 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 4K@30fps (no OIS), 1080p@30/60fps 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS, 10-bit HDR
Memory
Card slot microSDXC (uses shared SIM slot) No
Internal 128GB 8GB RAM, 256GB 8GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 UFS 3.1
Misc
Colors Dusk Blue, Sunset Dazzle Black, Light Green
Models V2066, V2108 SM-M566B, SM-M566B/DS
SAR - 0.71 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, 2, 3, 4, 5, 7, 8, 20, 28, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands - 1, 3, 5, 8, 28, 40, 41, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Our Tests
Battery (old) Endurance rating 123h -
Display Contrast ratio: Infinite (nominal) -
Loudspeaker -28.2 LUFS (Average) -
Performance AnTuTu: 336699 (v8), 365055 (v9) GeekBench: 6516 (v4.4), 1600 (v5.1) GFXBench: 17fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek Dimensity 800U (7 nm) Exynos 1480 (4 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Mali-G57 MC3 Xclipse 530
OS Android 11, Funtouch 11.1 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features Dual-LED flash, HDR -
Single 44 MP, f/2.0, (wide), AF, OIS 12 MP, f/2.2, (wide)
Video 4K@30fps (no OIS), 1080p@30fps Yes
Sound
3.5mm jack No No
Loudspeaker Yes Yes