Product
Vivo iQOO 7
Vivo iQOO 7
Samsung Galaxy M55s
Samsung Galaxy M55s
Battery
Charging 120W wired, 100% in 15 min (China) 66W wired (International) 45W wired
Type 4000 mAh 5000 mAh
Body
Dimensions 162.2 x 75.8 x 8.7 mm (6.39 x 2.98 x 0.34 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 209.5 g (7.41 oz) 180 g (6.35 oz)
Comms
Bluetooth 5.2, A2DP, LE, aptX HD 5.2, A2DP, LE
NFC Yes Yes
Positioning GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS, NavIC 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 1080 x 2400 pixels (~394 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.62 inches, 106.5 cm2 (~86.6% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED, 120Hz, HDR10+, 1300 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 2021, January 11 2024, September 24
Status Available. Released 2021, January 15 Available. Released 2024, September 26
Main Camera
Features Color spectrum sensor, Dual-LED dual-tone flash, HDR, panorama LED flash, panorama, HDR
Quad 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF, OIS 13 MP, f/2.5, 50mm (telephoto), 1/2.8", 0.8µm, PDAF, 2x optical zoom 13 MP, f/2.2, 120˚, 16mm (ultrawide) -
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@30/60fps, 1080p@30/60fps, gyro-EIS 4K@30fps, 1080p@30/60fps, gyro-EIS, OIS
Memory
Card slot No microSDXC (uses shared SIM slot)
Internal 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM 128GB 8GB RAM, 256GB 8GB RAM
  UFS 3.1 -
Misc
Colors Gray, Blue, White, Legend Thunder Black, Coral Green
Models V2049A, I2009 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 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 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, 28, 41, 78 SA/NSA - India 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 / EVDO / LTE / 5G GSM / HSPA / LTE / 5G
  1, 3, 28, 38, 41, 77, 78, 79 SA/NSA - China -
Platform
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55 Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 660 Adreno 644
OS Android 11, Funtouch 11.1 (International), OriginOS 1.0 (China) Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Features HDR -
Single 16 MP, f/2.0, (wide) 50 MP, f/2.4, (wide)
Video 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio -