Oppo K13 vs vivo Y31 – Price, Specs & Features

Q: Which phone has better performance, the Oppo K13 or the vivo Y31?

In this performance comparison, the Oppo K13 with its Snapdragon 6 Gen 4 (4nm) performs better than the vivo Y31 with the Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Oppo K13 alternatives

Tap above to see alternatives.

Samsung Galaxy F34

Samsung Galaxy A05s 4G

Realme Narzo 80 Lite

Vivo T4x

vivo T4R

vivo Y31 alternatives

Tap above to see alternatives.

Your comparison result will be shown here.

Oppo K13

Snapdragon 6 Gen 4
4 nm
7000 mAh
80W
6.67"
1080 x 2400 pixels
50 MP
4K@30fps
Specs

vivo Y31

Snapdragon 4 Gen 2
4 nm
6500 mAh
44W
6.68"
720 x 1608 pixels
50 MP
1080p@30fps
Specs

vivo Y31

General

Launch Date

April 21, 2025

September 15, 2025

Availability

Available Now

Android 15

Custom UI

ColorOS 15

Funtouch 15

OS Updates

2 Years

1 Years

Security Updates

3 Years

1 Years

AI Features

Circle to Search, AI Eraser, AI Writer, AI Summary, AI Clarity Enhancer, AI Unblur, AI Reflection Remover

AI Erase, AI SuperLink, Circle to Search, AI Screen Translation and more

Body

Dimensions

163.2 x 76.1 x 8.5 mm

166.1 x 77 x 8.4 mm

Thickness

8.5 mm

8.4 mm

Weight

208 g

209 g

IP Rating

IP65 (dust tight and water resistant (low pressure water jets))

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

6.67 inches

6.68 inches

Type

AMOLED (Samsung E4)

IPS LCD

Refresh Rate

120 Hz

Peak Brightness

1200 nits

1000 nits

Resolution

1080 x 2400 pixels

720 x 1608 pixels

Pixel Density

395 ppi

264 ppi

Aspect Ratio

20:9

Screen to Body Ratio

86.5 %

84.0 %

Performance

Chipset¹

Qualcomm Snapdragon 6 Gen 4

Qualcomm Snapdragon 4 Gen 2

Process Size

4 nm

CPU

Octa-core
1x2.3 GHz Cortex-A720s
3x2.2 GHz Cortex-A720s
4x1.8 GHz Cortex-A520s

Octa-core
2x2.2 GHz Cortex-A78
6x1.95 GHz Cortex-A55

GPU

Adreno 810

Adreno 613

RAM & Storage

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

4GB 128GB (eMMC 5.1)
6GB 128GB (eMMC 5.1)

RAM Type

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.9, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4, (depth)

50 MP
f/1.8, (wide), PDAF

0.08 MP
f/3.0

OIS

Features

LED flash, HDR, panorama

Ring-LED flash, panorama

Video Recording

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

1080p@30fps

Selfie Camera

16 MP
f/2.5, 23mm (wide), 1/3.0", 1.0µm, Sony IMX840

8 MP
f/2.0, (wide)

Selfie Video Recording

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, OTG

Bluetooth

5.2

4.2

NFC

GPS

Yes with A-GPS, Glonass

Infrared

UWB (Ultra Wideband)

Battery

Capacity

7000 mAh

6500 mAh

Type

Si/C Li-Ion

Li-Ion

Removable

Wired charging

80W

44W

Charging Speed

62% in 30 min

50% in 38 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, proximity, compass

Colors and Pricing

Colors

Icy Purple, Prism Black

Rose Red, Diamond Green

Price in India

₹16740

₹14999

FAQs

Which phone has better performance?

In this performance comparison, the Oppo K13 with its Qualcomm Snapdragon 6 Gen 4 (4nm) performs better than the vivo Y31 with the Qualcomm Snapdragon 4 Gen 2 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Oppo K13 offers 2 years of OS updates, whereas vivo Y31 provides 1 years. For security updates, Oppo K13 offers 3 years of support compared to vivo Y31's 1 years.

Which phone has a better display?

Oppo K13 features a superior AMOLED display, while vivo Y31 comes with an LCD panel. Both smartphones offer the same 120 Hz refresh rate. Oppo K13 also boasts a brighter screen with 1200 nits of peak brightness, enhancing outdoor visibility. Notably, Oppo K13 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Oppo K13 comes with a larger 7000 mAh battery, which may offer longer usage on a single charge. Oppo K13 also supports faster wired charging at 80W, compared to 44W on vivo Y31.

Which phone has better water and dust resistance?

vivo Y31 offers better protection against water and dust with an IP69 rating.

Can I buy these phones on Amazon?

vivo Y31 – Check price here

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