Oppo Reno 4 Z 5G vs Vivo Y31t
Product
Price
280 USD
280 USD
Status
Available
Available
Brand
Oppo Mobiles
Vivo Mobiles
Model No
Oppo Reno 4 Z 5G
vivo Y31t
Launch Date
2020, October 01
2026, August 19
Website
Technology
GSM / HSPA / LTE / 5G
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
5G bands
SA/NSA
SA/NSA
Speed
HSPA 42.2/11.5 Mbps, LTE-A, 5G
HSPA, LTE, 5G
4G bands
LTE
Dimensions
163.8 x 75.5 x 8.1 mm (6.45 x 2.97 x 0.32 in)
166.6 x 78.4 x 8.4 mm (6.56 x 3.09 x 0.33 in)
Weight
184 g (6.49 oz)
219 g (7.72 oz)
SIM
Dual SIM (Nano-SIM, dual stand-by)
Nano-SIM + Nano-SIM
Colors
Black, White, Pink
Crimson Red, Seashore Green, Golden Mist
Build
Glass front, plastic frame, plastic back
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Type
LTPS IPS LCD capacitive touchscreen, 16M colors
IPS LCD, 120Hz, 1000 nits (HBM), 1200 nits (peak)
Size
6.57 inches, 104.2 cm2 (~84.3% screen-to-body ratio)
6.75 inches, 109.6 cm2 (~83.9% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~401 ppi density)
120Hz refresh rate
480 nits typ
720 x 1608 pixels, 20:9 ratio (~261 ppi density)
OS
Android 10, ColorOS 7.1
Android 16, OriginOS 6
Chipset
MediaTek MT6873V Dimensity 800 5G (7 nm)
Qualcomm SM4450 Snapdragon 4 Gen 2 (4 nm)
CPU
Octa-core (4x2.0 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55)
Octa-core (2x2.2 GHz Cortex-A78 & 6x1.95 GHz Cortex-A55)
GPU
Mali-G57MP4
Adreno 613
RAM
6GB/8GB
4GB/6GB
Storage
64GB/128GB
128GB/256GB
Card Slot
No
Lens 1
48 MP, f/1.7, 26mm (wide), 1/2.0", 0.8µm, PDAF
50 MP, f/1.8, (wide), PDAF
Lens 2
8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm
Auxiliary lens
Lens 3
2 MP, f/2.4, (macro)
Lens 4
2 MP, f/2.4, (depth)
Features
LED flash, HDR, panorama
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/120fps, gyro-EIS
1080p@30fps
Lens 1
16 MP, f/2.0, 26mm (wide), 1/3.06", 1.0µm
2 MP, f/2.4, (depth)
8 MP, f/2.1, (wide)
Video
1080p@30fps
1080p@30fps
Capacity
Li-Po 4000 mAh, non-removable
Si/C Li-Ion 7200 mAh
Charging
Fast charging 18W
44W wired
Reverse wired
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (side-mounted), accelerometer, proximity, compass
Loudspeaker
Yes
Yes, with stereo speakers
3.5mm jack
24-bit/192kHz audio
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.0, A2DP, LE
4.2, A2DP, aptX Adaptive
GPS
Yes, with A-GPS, GLONASS, BDS
GPS, GALILEO, GLONASS, BDS, QZSS
USB
2.0, Type-C 1.0 reversible connector, USB On-The-Go
USB Type-C 2.0, OTG