Realme 15 Pro vs vivo Y31 Pro – Price, Specs & Features

Q: Which phone has better performance, the Realme 15 Pro or the vivo Y31 Pro?

In this performance comparison, the Realme 15 Pro with its Snapdragon 7 Gen 4 (4nm) performs better than the vivo Y31 Pro with the Dimensity 7300 (4nm), thanks to superior chipset efficiency.

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Realme 15 Pro

Snapdragon 7 Gen 4
4 nm
7000 mAh
80W
6.8"
1280 x 2800 pixels
50 MP
4K@30/60fps
Specs

vivo Y31 Pro

Dimensity 7300
4 nm
6500 mAh
44W
6.72"
1080 x 2408 pixels
50 MP
4K@30fps
Specs

vivo Y31 Pro

General

Launch Date

July 24, 2025

September 15, 2025

Availability

Available Now

Android 15

Custom UI

Realme UI 6.0

Funtouch 15

OS Updates

3 Years

1 Years

Security Updates

4 Years

1 Years

AI Features

AI Edit Genie, AI Party Mode, AI MagicGlow 2.0 and more

AI Erase, AI Photo Enhance, AI SuperLink, Circle to Search, AI Screen Translation, AI Live Text

Body

Dimensions

162.3 x 76.2 x 7.69 mm

165.7 x 76.3 x 8.1 mm

Thickness

7.69 mm

8.1 mm

Weight

187 g

204 g

Build Details

Plastic Frame, Plastic Back

Plastic Back, Plastic Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2m for 30 min), MIL-STD-810H compliant*, also IP68 rated)

IP64 (dust tight and water resistant (water splashes), MIL-STD-810H compliant*)

Display

Size

6.8 inches

6.72 inches

Type

OLED, 1B colors, PWM

IPS LCD, PWM

Refresh Rate

144 Hz

120 Hz

Peak Brightness

6500 nits

1050 nits

Resolution

1280 x 2800 pixels

1080 x 2408 pixels

Pixel Density

453 ppi

393 ppi

Aspect Ratio

19.5:9

20:9

Screen to Body Ratio

91.2 %

86.0 %

Protection

Gorilla Glass 7i

Performance

Chipset¹

Qualcomm Snapdragon 7 Gen 4

Mediatek Dimensity 7300

Process Size

4 nm

CPU

Octa-core
1x2.8 GHz Cortex-720
4x2.4 GHz Cortex-720
3x1.8 GHz Cortex-520

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

GPU

Adreno 722

Mali-G615 MC2

RAM & Storage

8GB 128GB (UFS 3.1)
8GB 256GB (UFS 3.1)
12GB 256GB (UFS 3.1)
12GB 512GB (UFS 3.1)

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

RAM Type

LPDDR4X

Expandable Memory

Camera

Main Camera

50 MP
f/1.8, 24mm (wide), 1/1.56", 1µm, Sony IMX896, PDAF, OIS

50 MP
f/2.0, 116˚ (ultrawide), 1/2.8", 0.61µm, Omnivision OV50D

50 MP
f/1.8, (wide), PDAF

2 MP
f/2.4, (depth)

OIS

Yes

Features

LED flash, HDR, panorama

Ring-LED flash, panorama

Video Recording

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

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

Selfie Camera

50 MP
f/2.4, 87˚ (wide), 1/2.8", 0.6µm, Omnivision OV50D

8 MP
(wide), f/2.05

Selfie Features

Panorama

Selfie Video Recording

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

1080p@30fps

Connectivity

SIM

Dual SIM
SIM1: Nano, SIM2: Nano

Dual SIM (Nano + Nano (Hybrid))

5G Support

Yes

9 5G bands
n1, n3, n5, n8, n28, n40, n41, n77, n78

Yes

8 5G bands
n1, n3, n5, n8, n28, n40, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 6

Wi-Fi 5

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 2.0

USB Type-C 2.0, OTG

Bluetooth

5.4

NFC

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

6500 mAh

Type

Li-Ion

Removable

Wired charging

80W

44W

Charging Speed

50% in 25 min

50% in 40 min

Reverse Wired Charging

Yes

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

Side-mounted fingerprint sensor, accelerometer, gyroscope, proximity, compass

Colors and Pricing

Colors

Flowing Silver, Silk Purple, Velvet Green

Dreamy White, Mocha Brown

Price in India

₹31999

₹18999

FAQs

Which phone has better performance?

In this performance comparison, the Realme 15 Pro with its Qualcomm Snapdragon 7 Gen 4 (4nm) performs better than the vivo Y31 Pro with the Mediatek Dimensity 7300 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Realme 15 Pro offers 3 years of OS updates, whereas vivo Y31 Pro provides 1 years. For security updates, Realme 15 Pro offers 4 years of support compared to vivo Y31 Pro's 1 years.

Which phone has a better display?

Realme 15 Pro features a superior AMOLED display, while vivo Y31 Pro comes with an LCD panel. In terms of smoothness, Realme 15 Pro offers a higher 144 Hz refresh rate, ensuring fluid scrolling and animations. Realme 15 Pro also boasts a brighter screen with 6500 nits of peak brightness, enhancing outdoor visibility. Notably, Realme 15 Pro offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme 15 Pro comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Realme 15 Pro also supports faster wired charging at 80W, compared to 44W on vivo Y31 Pro.

Which phone has better water and dust resistance?

Realme 15 Pro offers better protection against water and dust with an IP69 rating.

Can I buy these phones on Amazon?

vivo Y31 Pro – Check price here

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