Oppo F31 Pro vs Samsung Galaxy M55 – Price, Specs & Features

Q: Which phone has better performance, the Oppo F31 Pro or the Samsung Galaxy M55?

In this performance comparison, the Oppo F31 Pro with its Dimensity 7300 (4nm) performs better than the Samsung Galaxy M55 with the Snapdragon 7 Gen 1 (4nm), thanks to superior chipset efficiency.

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Oppo F31 Pro

Dimensity 7300
4 nm
7000 mAh
80W
6.57"
1080 x 2372 pixels
50 MP
4K@30fps
Specs

Samsung Galaxy M55

Snapdragon 7 Gen 1
4 nm
5000 mAh
45W
6.7"
1080x2400 pixels
50 MP
4K@30fps
Specs

Samsung Galaxy M55

General

Launch Date

September 16, 2025

March 28, 2024

Availability

Available Now

Android 15

Android 14

Custom UI

ColorOS 15

One UI 6.1

OS Updates

2 Years

4 Years

Security Updates

3 Years

5 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 8.1 mm

163.9 x 76.5 x 7.8 mm

Thickness

8.1 mm

7.8 mm

Weight

190 g

180 g

Build Details

Plastic Back

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)

IP67

Display

Size

6.57 inches

6.7 inches

Type

AMOLED, 1B colors

Super AMOLED+, Always-on display

Refresh Rate

120 Hz

Peak Brightness

1400 nits

1000 nits

Resolution

1080 x 2372 pixels

1080x2400 pixels

Pixel Density

397 ppi

393 ppi

Aspect Ratio

20:9

19.5:9

Screen to Body Ratio

88.5 %

86.4 %

Protection

DT-Star D+

Performance

Chipset¹

Mediatek Dimensity 7300 Energy

Qualcomm Snapdragon 7 Gen 1

Process Size

4 nm

CPU

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

Octa-core
1x2.4 GHz Cortex-A710
3x2.36 GHz Cortex-A710
4x1.8 GHz Cortex-A510

GPU

Mali-G615 MC2

Adreno 644

RAM & Storage

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

RAM Type

LPDDR4X

Expandable Memory

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

50 MP
(f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS)

8 MP
(f/2.2, 123˚ (ultrawide))

2 MP
(f/2.4, (macro))

OIS

Yes

Features

Color spectrum sensor, LED flash, HDR, panorama

LED flash, panorama, HDR, 10 x Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

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

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

Video Recording Features

Dual Video Recording, Slo-motion, Video Pro Mode

Selfie Camera

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

50 MP
(f/2.4, (wide))

Selfie Features

Panorama

Selfie Video Recording

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

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

Connectivity

SIM

Dual SIM (Nano + Nano)

Dual SIM, GSM+GSM
SIM1: Nano, SIM2: Nano (Hybrid)

5G Support

Yes

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

Yes

13 5G bands
n1, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 2.0, OTG

Bluetooth

5.4

5.2

NFC

Yes

GPS

Yes

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

5000 mAh

Type

Si/C Li-Ion

Li-ion

Removable

Wired charging

80W

45W

Charging Speed

100% in 61 mins

Reverse Wired Charging

10W

Wireless Charging

Reverse Wireless Charging

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, optical), accelerometer, gyro, proximity, compass

Colors and Pricing

Colors

Space Grey, Desert Gold

Dark Blue, Light Green

Price in India

₹26999

₹31999

FAQs

Which phone has better performance?

In this performance comparison, the Oppo F31 Pro with its Mediatek Dimensity 7300 (4nm) performs better than the Samsung Galaxy M55 with the Qualcomm Snapdragon 7 Gen 1 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Samsung Galaxy M55 offers 4 years of OS updates, whereas Oppo F31 Pro provides 2 years. For security updates, Samsung Galaxy M55 offers 5 years of support compared to Oppo F31 Pro's 3 years.

Which phone has a better display?

Both Oppo F31 Pro and Samsung Galaxy M55 feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. Oppo F31 Pro also boasts a brighter screen with 1400 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Which phone has a bigger battery and faster charging?

Oppo F31 Pro comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Oppo F31 Pro also supports faster wired charging at 80W, compared to 45W on Samsung Galaxy M55.

Which phone has better water and dust resistance?

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

Can I buy these phones on Amazon?

Oppo F31 Pro – Check price here

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