Oppo F31 vs Samsung Galaxy S25 Ultra – Price, Specs & Features

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Oppo F31

Dimensity 6300
4 nm
7000 mAh
80W
6.57"
1080 x 2372 pixels
50 MP
1080p@60/30fps
Specs

Samsung Galaxy S25 Ultra

Snapdragon 8 Elite
3 nm
5000 mAh
45W
6.9"
1440 x 3120 pixels
200 MP
8K@24/30fps
Specs

Samsung Galaxy S25 Ultra

General

Launch Date

September 16, 2025

January 22, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

One UI 7

OS Updates

2 Years

7 Years

Security Updates

3 Years

7 Years

AI Features

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

AI Select, Circle to Search, Cross-app Action, Call Transcript, Writing Assist, Drawing Assist, Audio Eraser, Now Brief, Now Bar and More

Body

Dimensions

158.2 x 75 x 8 mm

162.8 x 77.6 x 8.2 mm

Thickness

8 mm

8.2 mm

Weight

185 g

218 g

Back Material

Corning Gorilla Armor

Build Details

Plastic Back

Titanium Frame (grade 5)

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)

IP68 (dust tight and water resistant (immersible up to 1.5m for 30 min))

Display

Size

6.57 inches

6.9 inches

Type

AMOLED, 1B colors

Dynamic LTPO AMOLED 2X, HDR10+, Always-on display, DX anti-reflective coating

Refresh Rate

120 Hz

Peak Brightness

1400 nits

2600 nits

Resolution

1080 x 2372 pixels

1440 x 3120 pixels

Pixel Density

397 ppi

498 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

88.5 %

92.5 %

Protection

AGC DT-Star D+

Corning Gorilla Armor

Performance

Chipset¹

Mediatek Dimensity 6300 Energy

Qualcomm Snapdragon 8 Elite

Process Size

4 nm

3 nm

CPU

Octa-core
4x2.5 GHz Cortex-A78
4x2.0 GHz Cortex-A55

Octa-core
2x4.47 GHz Oryon V2 Phoenix L
6x3.53 GHz Oryon V2 Phoenix M

GPU

Mali-G615 MC2

Adreno 830

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)

12GB 256GB (UFS 4.0)
12GB 512GB (UFS 4.0)
12GB 1024GB (UFS 4.0)

RAM Type

LPDDR4X

LPDDR5X

Expandable Memory

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

200 MP
f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS

10 MP
f/2.4, 67mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom

50 MP
f/3.4, 111mm (periscope telephoto), 1/2.52", 0.7µm, PDAF, OIS, 5x optical zoom

50 MP
f/1.9, 120˚ (ultrawide), 0.7µm, dual pixel PDAF, Super Steady video

OIS

Yes

Features

Color spectrum sensor, LED flash, HDR, panorama

Laser AF, Best Face, LED flash, auto-HDR, panorama

Video Recording

1080p@60/30fps
720p@60/30fps

8K@24/30fps
4K@30/60/120fps
1080p@30/60/240fps

Video Recording Features

10-bit HDR, HDR10+, Stereo Sound recording, gyro-EIS

Selfie Camera

16 MP
f/2.4, (wide), 1/1.3", 1µm, Sony IMX480

12 MP
f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF

Selfie Features

Panorama

HDR, HDR10+

Selfie Video Recording

1080p@30fps
720p@30fps

4K@30/60fps
1080p@30fps

Connectivity

SIM

Dual SIM (Nano + Nano)

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

5G Support

Yes

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

Yes

17 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n66, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 5

Wi-Fi 7

Wi-Fi Details

802.11 a/b/g/n/ac 5GHz

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

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0, OTG

USB Type-C 3.2, DisplayPort 1.2, OTG

Bluetooth

5.4

NFC

Yes

GPS

Yes

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Yes

Battery

Capacity

7000 mAh

5000 mAh

Type

Si/C Li-Ion

Li-Ion

Removable

Wired charging

80W

45W

Charging Speed

100% in 61 mins

65% in 30 min

Reverse Wired Charging

10W

Wireless Charging

15W

Reverse Wireless Charging

4.5W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

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

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Others

Samsung DeX, Samsung Wireless DeX

Colors and Pricing

Colors

Cloud Green, Midnight Blue, Bloom Red

Titanium Silver Blue, Titanium Black, Titanium Gray, Titanium White Silver, Titanium Jet Black, Titanium Jade Green, Titanium Pink Gold

Price in India

₹22999

₹123499

FAQs

Which phone has better performance?

In this performance comparison, the Samsung Galaxy S25 Ultra with its Qualcomm Snapdragon 8 Elite (3nm) performs better than the Oppo F31 with the Mediatek Dimensity 6300 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Samsung Galaxy S25 Ultra offers 7 years of OS updates, whereas Oppo F31 provides 2 years. For security updates, Samsung Galaxy S25 Ultra offers 7 years of support compared to Oppo F31's 3 years.

Which phone has a better display?

Both Oppo F31 and Samsung Galaxy S25 Ultra feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Samsung Galaxy S25 Ultra also boasts a brighter screen with 2600 nits of peak brightness, enhancing outdoor visibility. Notably, Samsung Galaxy S25 Ultra offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

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 45W on Samsung Galaxy S25 Ultra. Samsung Galaxy S25 Ultra supports wireless charging at 15W, while Oppo F31 lacks this feature.

Which phone has better water and dust resistance?

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

Can I buy these phones on Amazon?

Oppo F31 – Check price here
Samsung Galaxy S25 Ultra – Check price here

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