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Oppo F31

Oppo F31 Comparison & Specs

Oppo F31

  • Dimensity 6300

    4 nm

  • 7000 mAh

    80W

  • 6.57"

    1080 x 2372 pixels

  • 50 MP

    1080p@60/30fps

  • Specs Oppo F31 Amazon Link

Redmi A3x 4G

Redmi A3x 4G Comparison & Specs

Redmi A3x 4G

  • Unisoc T603

    12 nm

  • 5000 mAh

    10W

  • 6.71"

    720x1650 pixels

  • 8 MP

    1080p@30fps

  • Specs
General
Launch Date
September 16, 2025
May 24, 2024
Availability
Available Now
Available Now
OS
Android 15
Android 14
Custom UI
ColorOS 15
MIUI
OS Updates
2 Years
2 Years
Security Updates
3 Years
3 Years
AI Features
AI LinkBoost 3.0, AI VoiceScribe, AI Call Assistant, AI Assistant for Notes, Google Gemini, AI Eraser 2.0 and more
Body
Dimensions
158.2 x 75 x 8 mm
168.4 x 76.3 x 8.3 mm
Thickness
8 mm
8.3 mm
Weight
185 g
193 g
Build Details
Plastic Back
Mineral Glass
IP Rating
IP69 (dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), MIL-STD-810H compliant*, also IP68 rated)
No
Display
Size
6.57 inches
6.71 inches
Type
AMOLED, 1B colors
IPS LCD
Refresh Rate
120 Hz
90 Hz
Peak Brightness
1400 nits
500 nits
Resolution
1080 x 2372 pixels
720x1650 pixels
Pixel Density
397 ppi
268 ppi
Aspect Ratio
20:9
20.5:9
Screen to Body Ratio
88.5 %
82.9 %
Protection
AGC DT-Star D+
Gorilla Glass 3
Performance
Chipset¹
Mediatek Dimensity 6300 Energy
Unisoc Unisoc T603
Process Size
4 nm
12 nm
CPU
Octa-core
4x2.5 GHz Cortex-A78
4x2.0 GHz Cortex-A55
Octa core
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55
GPU
Mali-G615 MC2
Mali-G57
RAM & Storage
8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
3GB 64GB (eMMC 5.1)
4GB 128GB (eMMC 5.1)
RAM Type
LPDDR4X
LPDDR4X
Expandable Memory
No
Yes
Camera
Main Camera
50 MP
f/1.8, (wide), 1/2.88", 1.6µm, OmniVision OV50D40, PDAF, OIS

2 MP
f/2.4, (depth), 1/1.5", 1.75µm
8 MP
f/2.0, (wide)

0.08 MP
(auxiliary lens)
OIS
Yes
No
Features
Color spectrum sensor, LED flash, HDR, panorama
LED flash, HDR, Digital Zoom
Video Recording
1080p@60/30fps
720p@60/30fps
1080p@30fps
Selfie Camera
16 MP
f/2.4, (wide), 1/1.3", 1µm, Sony IMX480
5 MP
f/2.2, (wide)
Selfie Features
Panorama
HDR
Selfie Video Recording
1080p@30fps
720p@30fps
1080p@30fps
Connectivity
SIM
Dual SIM (Nano + Nano)
Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano
5G Support
Yes

10 5G bands
n1, n3, n5, n8, n28, n38, n40, n41, n77, n78
Yes
VoLTE
Yes
Yes
Wi-Fi
Wi-Fi 5
Wi-Fi 4
Wi-Fi Details
802.11 a/b/g/n/ac 5GHz
802.11 b/g/n
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C
Bluetooth
5.4
4.2
NFC
Yes
No
GPS
Yes
Yes with Glonass
Infrared
No
Yes
UWB (Ultra Wideband)
No
No
Battery
Capacity
7000 mAh
5000 mAh
Type
Si/C Li-Ion
Li-Polymer
Removable
No
No
Wired charging
80W
10W
Charging Speed
100% in 61 mins
Reverse Wired Charging
10W
No
Wireless Charging
No
No
Reverse Wireless Charging
No
No
Charger in the Box
Yes
Yes
Sound
Stereo Speakers
Yes
No
3.5mm Headphone Jack
No
Yes
FM Radio
No
Yes
Extra Features
Sensors
Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass
Fingerprint (side-mounted), accelerometer, compass
Others
Virtual proximity sensing
Colors and Pricing
Colors
Cloud Green, Midnight Blue, Bloom Red
Midnight Black, Moonlight White, Aurora Green
Price in India
₹22999
₹6799
FAQs

In this performance comparison, the Redmi A3x 4G with its Unisoc Unisoc T603 (12nm) performs better than the Oppo F31 with the Mediatek Dimensity 6300 (4nm), thanks to superior chipset efficiency.

Both Oppo F31 and Redmi A3x 4G offer the same software support — 2 years of OS updates and 3 years of security updates.

Oppo F31 features a superior AMOLED display, while Redmi A3x 4G comes with an LCD panel. In terms of smoothness, Oppo F31 offers a higher 120 Hz refresh rate, ensuring fluid scrolling and animations. Oppo F31 also boasts a brighter screen with 1400 nits of peak brightness, enhancing outdoor visibility. Notably, Oppo F31 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Oppo F31 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Oppo F31 also supports faster wired charging at 80W, compared to 10W on Redmi A3x 4G.

Oppo F31 includes an IP69 rating, while Redmi A3x 4G lacks an official IP rating.

¹ Scores can vary even with the same chipset due to RAM, thermals, and software optimization.