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Oppo F31 Pro Plus

Oppo F31 Pro Plus Comparison & Specs

Oppo F31 Pro Plus

  • Snapdragon 7 Gen 3

    4 nm

  • 7000 mAh

    80W

  • 6.8"

    1280 x 2800 pixels

  • 50 MP

    4K@30fps

  • Specs Oppo F31 Pro Plus 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
Oppo F31 Pro Plus Comparison & Specs

Oppo F31 Pro Plus

Oppo F31 Pro Plus Amazon Link
Redmi A3x 4G Comparison & Specs

Redmi A3x 4G

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
163.1 x 77.6 x 7.7 mm
168.4 x 76.3 x 8.3 mm
Thickness
7.7 mm
8.3 mm
Weight
195 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
6.8 inches
6.71 inches
Type
AMOLED, 1B colors
IPS LCD
Refresh Rate
120 Hz
90 Hz
Peak Brightness
1600 nits
500 nits
Resolution
1280 x 2800 pixels
720x1650 pixels
Pixel Density
453 ppi
268 ppi
Aspect Ratio
19.5:9
20.5:9
Screen to Body Ratio
89.1 %
82.9 %
Protection
AGC DT-Star D+
Gorilla Glass 3
Performance
Chipset¹
Qualcomm Snapdragon 7 Gen 3
Unisoc Unisoc T603
Process Size
4 nm
12 nm
CPU
Octa-core
1x2.63 GHz Cortex-A715
3x2.4 GHz Cortex-A715
4x1.8 GHz Cortex-A510
Octa core
1.8 GHz, Dual core, Cortex A75
1.6 GHz, Hexa Core, Cortex A55
GPU
Adreno 720
Mali-G57
RAM & Storage
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", 0.61µm, OmniVision OV50D40, PDAF, OIS, Up to 10x Optical Zoom

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
4K@30fps
1080p@30/60/120fps, gyro-EIS, OIS
1080p@30fps
Selfie Camera
32 MP
f/2.4, (wide), f/2.4, 1/3.1", 0.7µm, GalaxyCore 32E2
5 MP
f/2.2, (wide)
Selfie Features
Panorama
HDR
Selfie Video Recording
1080p@30fps, gyro-EIS
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 6
Wi-Fi 4
Wi-Fi Details
802.11 ax, MIMO
802.11 b/g/n
Wi-Fi Features
Mobile Hotspot
Mobile Hotspot
USB
USB Type-C 2.0, OTG
USB Type-C
Bluetooth
5.2
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
8W
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
Festival Pink, Himalayan White, Gemstone Blue
Midnight Black, Moonlight White, Aurora Green
Price in India
₹32999
Oppo F31 Pro Plus Amazon Link
₹6799
FAQs

In this performance comparison, the Oppo F31 Pro Plus with its Qualcomm Snapdragon 7 Gen 3 (4nm) performs better than the Redmi A3x 4G with the Unisoc Unisoc T603 (12nm), thanks to superior chipset efficiency.

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

Oppo F31 Pro Plus features a superior AMOLED display, while Redmi A3x 4G comes with an LCD panel. In terms of smoothness, Oppo F31 Pro Plus offers a higher 120 Hz refresh rate, ensuring fluid scrolling and animations. Oppo F31 Pro Plus also boasts a brighter screen with 1600 nits of peak brightness, enhancing outdoor visibility. Notably, Oppo F31 Pro Plus offers a higher screen resolution, resulting in sharper visuals and more detailed content.

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

Oppo F31 Pro Plus 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.