Product
Oppo A55
Oppo A55
Vivo T4 Lite
Vivo T4 Lite
Battery
Charging 18W wired 15W wired
Type Li-Po 5000 mAh Li-Ion 6000 mAh
Body
Build - Glass front, plastic frame, plastic back
Dimensions 163.6 x 75.7 x 8.4 mm (6.44 x 2.98 x 0.33 in) 167.3 x 77 x 8.2 mm (6.59 x 3.03 x 0.32 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 193 g (6.81 oz) 202 g (7.13 oz)
  Splash-proof IP64 dust tight and water resistant (water splashes) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 5.0, A2DP, LE, aptX 5.4, A2DP, LE
NFC Yes (market/region dependent) No
Positioning GPS, GLONASS, GALILEO, BDS, QZSS GPS, GALILEO, GLONASS, BDS, QZSS
Radio No FM radio
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, dual-band
Display
Protection NEG T2X-1 -
Resolution 720 x 1600 pixels, 20:9 ratio (~270 ppi density) 720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Size 6.51 inches, 102.3 cm2 (~82.6% screen-to-body ratio) 6.74 inches, 109.7 cm2 (~85.1% screen-to-body ratio)
Type IPS LCD, 480 nits (typ), 550 nits (peak) IPS LCD, 90Hz, 1000 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2021, October 01 2025, June 24
Status Available. Released 2021, October 01 Available. Released 2025, July 02
Main Camera
Dual - 50 MP, f/1.8, (wide), PDAF 2 MP, f/2.4, (depth)
Features LED flash, HDR, panorama LED flash, panorama
Triple 50 MP, f/1.8 26mm (wide), PDAF 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM
  - UFS 2.2 - 128/4, 256/8 eMMC5.1 - 128/6
Misc
Colors Rainbow Blue, Starry Black, Green Prism Blue, Titanium Gold
Models CPH2325 V2509
SAR - 0.91 W/kg (head)     0.88 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100
4G bands 1, 3, 5, 8, 38, 40, 41 1, 3, 5, 8, 28, 38, 40, 41
5G bands - 1, 3, 5, 8, 28, 38, 40, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Mediatek MT6765G Helio G35 (12 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G57 MC2
OS Android 11, ColorOS 11.1 Android 15, up to 2 major Android upgrades, Funtouch 15
Selfie camera
Features HDR -
Single 16 MP, f/2.0, 26mm (wide) 5 MP, f/2.2, (wide)
Video 1080p@30fps Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers