OnePlus Open vs Oppo F31 Pro Plus – Price, Specs & Features

Q: Which phone has better performance, the OnePlus Open or the Oppo F31 Pro Plus?

In this performance comparison, the OnePlus Open with its Snapdragon 8 Gen 2 (4nm) performs better than the Oppo F31 Pro Plus with the Snapdragon 7 Gen 3 (4nm), thanks to superior chipset efficiency.

OnePlus Open alternatives

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Samsung Galaxy Z Flip7 FE

Samsung Galaxy Z Flip6

Samsung Galaxy Z Fold6

Infinix Zero Flip

Motorola Razr 60 Ultra

Oppo F31 Pro Plus alternatives

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Oppo Reno14

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OnePlus Open

Snapdragon 8 Gen 2
4 nm
4805 mAh
67W
7.82"
2268x2440 pixels
48 MP
4K@30/60fps
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

General

Launch Date

October 19, 2023

September 16, 2025

Availability

Available Now

Operating System (OS)

Android 13

Android 15

Custom UI

OxygenOS 14

ColorOS 15

OS Updates

4 Years (until Android 17)

2 Years (until Android 17)

Security Updates

5 Years (until 2028)

3 Years (until 2028)

AI Features

AI Eraser

AI LinkBoost 3.0, AI VoiceScribe, AI Call Assistant, AI Assistant for Notes, Google Gemini, AI Eraser 2.0 and more

Body

Folded Dimensions

153.4 x 73.3 x 11.7 mm

163.1 x 77.6 x 7.7 mm

Folded Thickness

11.7 mm

7.7 mm

UnFolded Dimensions

153.4 x 143.1 x 5.8 mm

UnFolded Thickness

5.8 mm

Weight

239 g

195 g

Build Details

Mineral Glass, Plastic Front (unfolded), Aluminum Frame

Plastic Back

IP Rating

IPX4

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)

Display

Size

7.82 inches

6.8 inches

Type

Foldable LTPO3 Flexi-fluid AMOLED

AMOLED, 1B colors

Refresh Rate

120 Hz

Peak Brightness

2800 nits

1600 nits

Resolution

2268x2440 pixels

1280 x 2800 pixels

Pixel Density

426 ppi

453 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

89.6 %

89.1 %

Protection

AGC DT-Star D+

Cover Display

Size

6.31 inches

Type

Dolby Vision

Refresh Rate

120 Hz

Peak Brightness

2800 nits

Resolution

1116 x 2484 pixels

Pixel Density

431 ppi

Aspect Ratio

20:9

Performance

Chipset¹

Qualcomm Snapdragon 8 Gen 2

Qualcomm Snapdragon 7 Gen 3

Process Size

4 nm

CPU

Octa-core
1x3.2 GHz Cortex-X3
2x2.8 GHz Cortex-A715
2x2.8 GHz Cortex-A710
3x2.0 GHz Cortex-A510

Octa-core
1x2.63 GHz Cortex-A715
3x2.4 GHz Cortex-A715
4x1.8 GHz Cortex-A510

GPU

Adreno 740

Adreno 720

RAM & Storage

16GB 512GB (UFS 4.0)

8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Camera

Main Camera

48 MP
f/1.7, 24mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS

64 MP
f/2.6, 70mm (telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom

48 MP
f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF

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

OIS

Yes

Features

Hasselblad Color Calibration, LED flash, HDR, panorama, Digital Zoom, Auto Flash, Face detection, Filters, Touch to focus, Fixed Focus

Color spectrum sensor, LED flash, HDR, panorama

Video Recording

4K@30/60fps
1080p@30/60/120/240/480fps

4K@30fps
1080p@30/60/120fps, gyro-EIS, OIS

Video Recording Features

gyro-EIS, HDR10+, Dolby Vision, Dual Video Recording, Slo-motion, Ultra Steady Video, Video HDR, Video Pro Mode

Selfie Camera

20MP
f/2.2, 20mm (ultrawide), 1/4.0", 0.7µm

32 MP
f/2.4, (wide), f/2.4, 1/3.1", 0.7µm, GalaxyCore 32E2

Selfie Features

HDR

Panorama

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps, gyro-EIS

Cover Camera

32MP
f/2.4, 22mm (ultrawide), 1/3.14", 0.7µm

Connectivity

SIM

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano

Dual SIM (Nano + Nano)

5G Support

Yes

19 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n30, n38, n40, n41, n66, n71, n75, n77, n78

Yes

10 5G bands
n1, n3, n5, n8, n28, n38, n40, n41, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 6

Wi-Fi Details

802.11 a/b/g/n/ac/be/ax 5GHz 6GHz, MIMO

802.11 ax, MIMO

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 3.1, OTG

USB Type-C 2.0, OTG

Bluetooth

5.3

5.2

NFC

Yes

GPS

Yes with A-GPS, Glonass

Yes

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

4805 mAh

7000 mAh

Type

Li-Polymer

Si/C Li-Ion

Removable

Wired charging

67W

80W

Charging Speed

100% in 42 min

100% in 61 mins

Reverse Wired Charging

Wireless Charging

Reverse Wireless Charging

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Under-display optical fingerprint sensor, accelerometer, gyroscope, proximity, compass

Colors and Pricing

Colors

Emerald Dusk, Voyager Black

Festival Pink, Himalayan White, Gemstone Blue

Price in India

₹149998

₹32999

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus Open with its Qualcomm Snapdragon 8 Gen 2 (4nm) performs better than the Oppo F31 Pro Plus with the Qualcomm Snapdragon 7 Gen 3 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both phones launched with Android 13 and will get updates until Android 17. Both phones are expected to receive security updates until around 2028.

Which phone has a better display?

Both OnePlus Open and Oppo F31 Pro Plus feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. OnePlus Open also boasts a brighter screen with 2800 nits of peak brightness, enhancing outdoor visibility. Notably, OnePlus Open offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Oppo F31 Pro Plus features a larger 7000 mAh battery, potentially delivering better battery life. Oppo F31 Pro Plus also supports faster wired charging at 80W, compared to 67W on OnePlus Open.

Which phone has better water and dust resistance?

Oppo F31 Pro Plus offers better protection against water and dust with an IP69 rating.

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