OnePlus 12 vs Realme 15T – Price, Specs & Features

Q: Which phone has better performance, the OnePlus 12 or the Realme 15T?

In this performance comparison, the OnePlus 12 with its Snapdragon 8 Gen 3 (4nm) performs better than the Realme 15T with the Dimensity 6400 (6nm), thanks to superior chipset efficiency.

OnePlus 12 alternatives

Tap above to see alternatives.

Apple iPhone 16

OnePlus 13

Google Pixel 10 Pro XL

Xiaomi 15

Oppo Find X8 Pro

Realme 15T alternatives

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Realme 13+

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OnePlus 12

Snapdragon 8 Gen 3
4 nm
5400 mAh
100W
6.82"
1440x3168 pixels
50 MP
8K@24fps
Specs

Realme 15T

Dimensity 6400
6 nm
7000 mAh
60W
6.57"
1080 x 2372 pixels
50 MP
1080p@30/60
Specs

Realme 15T

General

Launch Date

January 23, 2024

September 02, 2025

Availability

Available Now

Android 14

Android 15

Custom UI

OxygenOS 14

Realme UI 6.0

OS Updates

4 Years

3 Years

Security Updates

5 Years

4 Years

AI Features

AI Eraser

AI Edit Genie, Circle to Search, AI Smart Loop and more

Body

Dimensions

164.3 x 75.8 x 9.2 mm

158.4 x 75.2 x 7.8 mm

Thickness

9.2 mm

7.8 mm

Weight

220 g

181 g

Back Material

Gorilla Glass 5

Build Details

Aluminum Frame

Plastic Frame, Plastic Back

IP Rating

IP65

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 2.5m for 30 min), also IP68 rated)

Display

Size

6.82 inches

6.57 inches

Type

LTPO AMOLED, HDR10, Always-on display

AMOLED, 1B colors

Refresh Rate

120 Hz

Peak Brightness

4500 nits

4000 nits

Resolution

1440x3168 pixels

1080 x 2372 pixels

Pixel Density

510 ppi

401 ppi

Aspect Ratio

19.8:9

Screen to Body Ratio

90.8 %

86.4 %

Protection

Gorilla Glass Victus 2

Performance

Chipset¹

Qualcomm Snapdragon 8 Gen 3

Mediatek Dimensity 6400 Max

Process Size

4 nm

6 nm

CPU

Octa-core
1x3.3 GHz Cortex-X4
3x3.2 GHz Cortex-A720
2x3.0 GHz Cortex-A720
2x2.3 GHz Cortex-A520

Octa-core
2x2.5 GHz Cortex-A76
6x2.0 GHz Cortex-A55

GPU

Adreno 750

Mali-G57 MC2

RAM & Storage

12GB 256GB (UFS 4.0)
16GB 512GB (UFS 4.0)

8GB 128GB (UFS 2.2)
8GB 256GB (UFS 2.2)
12GB 256GB (UFS 2.2)

RAM Type

LPDDR5X

LPDDR4X

Expandable Memory

Yes

Camera

Main Camera

50 MP
f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS

64 MP
f/2.6, 70mm (periscope 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, 27mm (wide), 1/2.88", OmniVision OV50D40, PDAF

2 MP
f/2.4

OIS

Yes

Features

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

LED flash, HDR, panorama

Video Recording

8K@24fps
4K@30/60fps
1080p@30/60/240/480fps

1080p@30/60
gyro-EIS

Video Recording Features

Auto HDR, gyro-EIS, Dolby Vision, Dual Video Recording, Slo-motion, Ultra Steady Video, Video HDR, Bokeh portrait video, Video Pro Mode

Selfie Camera

32 MP
f/2.4, 21mm (wide), 1/2.74", 0.8µm

50 MP
f/2.4, OmniVision OV50D40

Selfie Features

Auto-HDR, panorama

Selfie Video Recording

4K@30fps
1080p@30fps

1080p@30fps

Connectivity

SIM

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

Dual SIM (Nano + Nano (Hybrid))

5G Support

Yes

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

Yes

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

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 5

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

USB

USB Type-C 3.2, OTG

USB Type-C 2.0, OTG

Bluetooth

5.4

5.3

NFC

Yes

GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Battery

Capacity

5400 mAh

7000 mAh

Type

Li-Polymer

Si/C Li-Ion

Removable

Wired charging

100W

60W

Charging Speed

100% in 26 min

50% in 31 mins

Reverse Wired Charging

10W

Wireless Charging

50W

Reverse Wireless Charging

10W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Fingerprint (under display, optical), accelerometer, gyro, proximity, compass, color spectrum

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

Colors and Pricing

Colors

Flowy Emerald, Silky Black, Glacial White

Silk Blue, Suit Titanium, Flowing Silver

Price in India

₹64999

₹20999

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus 12 with its Qualcomm Snapdragon 8 Gen 3 (4nm) performs better than the Realme 15T with the Mediatek Dimensity 6400 (6nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

OnePlus 12 offers 4 years of OS updates, whereas Realme 15T provides 3 years. For security updates, OnePlus 12 offers 5 years of support compared to Realme 15T's 4 years.

Which phone has a better display?

Both OnePlus 12 and Realme 15T feature AMOLED displays, offering vibrant colors and deeper blacks. Both smartphones offer the same 120 Hz refresh rate. OnePlus 12 also boasts a brighter screen with 4500 nits of peak brightness, enhancing outdoor visibility. Notably, OnePlus 12 offers a higher screen resolution, resulting in sharper visuals and more detailed content.

Which phone has a bigger battery and faster charging?

Realme 15T features a larger 7000 mAh battery, potentially delivering better battery life. OnePlus 12 also supports faster wired charging at 100W, compared to 60W on Realme 15T. OnePlus 12 supports wireless charging at 50W, while Realme 15T does not support wireless charging.

Which phone has better water and dust resistance?

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

Can I buy these phones on Amazon?

OnePlus 12 – Check price here

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