Product
Vivo T4
Vivo T4
₹25,999
Samsung Galaxy M55s
Samsung Galaxy M55s
₹28,999
Battery
Charging 90W wired, 55W PPS, 44W UFCS, 50% in 33 min 7.5W reverse wired Bypass Charging 45W wired
Type Si/C Li-Ion 7300 mAh 5000 mAh
Body
Dimensions 163.4 x 76.4 x 7.9 mm (6.43 x 3.01 x 0.31 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 199 g (7.02 oz) 180 g (6.35 oz)
  IP65 dust tight and water resistant (low pressure water jets) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions -
Comms
Bluetooth 5.2, A2DP, LE, aptX HD, aptX Adaptive 5.2, A2DP, LE
Infrared port Yes -
NFC No Yes
Positioning GPS, GALILEO, GLONASS, 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/6, dual-band Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Display
Protection Shield Glass -
Resolution 1080 x 2392 pixels (~388 ppi density) 1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size 6.77 inches, 110.9 cm2 (~88.8% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~86.4% screen-to-body ratio)
Type AMOLED, 1B colors, 120Hz, 3840Hz PWM, HDR, 800 nits (typ), 1300 nits (HBM), 5000 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
  Circle to Search -
Launch
Announced 2025, April 22 2024, September 24
Status Available. Released 2025, April 29 Available. Released 2024, September 26
Main Camera
Dual 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF, OIS 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama 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, gyro-EIS, OIS 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 2.2 -
Misc
Colors Emerald Blaze, Phantom Grey Thunder Black, Coral Green
Models V2502 SM-M558B, SM-M558B/DS
SAR 0.99 W/kg (head)     0.87 W/kg (body)     0.93 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 800 / 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 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 / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
Platform
Chipset Qualcomm SM7635 Snapdragon 7s Gen 3 (4 nm) Qualcomm SM7450-AB Snapdragon 7 Gen 1 (4 nm)
CPU Octa-core (1x2.5 GHz Cortex-A720 & 3x2.4 GHz Cortex-A720 & 4x1.8 GHz Cortex-A520) Octa-core (1x2.4 GHz Cortex-A710 & 3x2.36 GHz Cortex-A710 & 4x1.8 GHz Cortex-A510)
GPU Adreno 810 Adreno 644
OS Android 15, up to 2 major Android upgrades, Funtouch 15 Android 14, up to 4 major Android upgrades, One UI 6.1
Selfie camera
Single 32 MP, f/2.0, (wide) 50 MP, f/2.4, (wide)
Video 4K@30fps, 1080p@30fps 4K@30fps, 1080p@30/60fps
Sound
3.5mm jack No No
Loudspeaker Yes Yes, with stereo speakers
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