OnePlus 15 vs Samsung Galaxy S23 Ultra – Price, Specs & Features

Q: Which phone has better performance, the OnePlus 15 or the Samsung Galaxy S23 Ultra?

In this performance comparison, the OnePlus 15 with its Snapdragon 8 Elite Gen 5 (3nm) performs better than the Samsung Galaxy S23 Ultra with the Snapdragon 8 Gen 2 (4nm), thanks to superior chipset efficiency.

OnePlus 15 alternatives

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Samsung Galaxy S25 Ultra

Samsung Galaxy S23 Ultra alternatives

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Samsung Galaxy S25 Edge

Samsung Galaxy S24 Ultra

Apple iPhone 17

Oppo Find X8 Pro

Samsung Galaxy S24+

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OnePlus 15

Snapdragon 8 Elite Gen 5
3 nm
7300 mAh
120W
6.78"
1440 x 3168 pixels
50 MP
8K@30fps
Specs

Samsung Galaxy S23 Ultra

Snapdragon 8 Gen 2
4 nm
5000 mAh
45W
6.8"
1440 x 3088 pixels
200 MP
8K@24/30fps
Specs

OnePlus 15

Samsung Galaxy S23 Ultra

One or both mobiles are unofficial — Preliminary specifications. Subject to change.

General

Launch Date

Expected Novermber 13, 2025

February 01, 2023

Availability

Coming Soon

Available Now

Android 16

Android 13

Custom UI

OxygenOS 16

One UI 5.1

OS Updates

4 Years

Security Updates

6 Years

5 Years

AI Features

OnePlus AI and more

Circle to Search, Live Translate, Note Assist, Photo Assist, Chat Assist

Body

Dimensions

163.4 x 78.1 x 8.9 mm

Thickness

8.9 mm

Weight

215 g

234 g

Back Material

Gorilla Glass Victus 2

Build Details

Aluminum Frame

IP Rating

IP69 (dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min), also IP68 rated)

IP68 (up to 1.5m for 30 min)

Display

Size

6.78 inches

6.8 inches

Type

LTPO AMOLED, 1B colors, PWM, Dolby Vision, HDR10+, HDR Vivid, Ultra HDR image support

Dynamic AMOLED 2X, HDR10, Always-on display

Refresh Rate

165 Hz

120 Hz

Peak Brightness

1800 nits

1750 nits

Resolution

1440 x 3168 pixels

1440 x 3088 pixels

Pixel Density

513 ppi

500 ppi

Aspect Ratio

19.3:9

Screen to Body Ratio

89.7 %

89.9 %

Protection

Ceramic Guard glass

Gorilla Glass Victus 2

Performance

Chipset¹

Qualcomm Snapdragon 8 Elite Gen 5

Qualcomm Snapdragon 8 Gen 2

Process Size

3 nm

4 nm

CPU

Octa-core
2x4.6 GHz Oryon V3 Phoenix L
6x3.62 GHz Oryon V3 Phoenix M

Octa-core
1x3.36 GHz Cortex-X3
2x2.8 GHz Cortex-A715
2x2.8 GHz Cortex-A710
3x2.0 GHz Cortex-A510

GPU

Adreno 840

Adreno 740

RAM & Storage

12GB 256GB (UFS 4.1)
16GB 512GB (UFS 4.1)
16GB 1024GB (UFS 4.1)

8GB 256GB (UFS 4.0)
12GB 256GB (UFS 4.0)
12GB 512GB (UFS 4.0)
12GB 1024GB (UFS 4.0)

RAM Type

LPDDR5X

Expandable Memory

Camera

Main Camera

50 MP
f/1.8, 24mm (wide), 1/1.56", 1.0µm, multi-directional PDAF, OIS

50 MP
f/2.8, 85mm (periscope telephoto), 1/2.76", 0.64µm, 3.5x optical zoom, PDAF, OIS

50 MP
f/2.0, 15mm, 120˚ (ultrawide), 1/2.76", 0.64µm, PDAF

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

10 MP
f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom

10 MP
f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom

12 MP
f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video

OIS

Yes

Features

Laser focus, Hasselblad Color Calibration, color spectrum sensor, Dual-LED flash, HDR, panorama

LED flash, auto-HDR, panorama, Digital Zoom, Auto Flash, Face detection, Touch to focus

Video Recording

8K@30fps
4K@30/60fps
1080p@30/60/240/480fps, Auto HDR, gyro-EIS, Dolby Vision

8K@24/30fps
4K@30/60fps
1080p@30/60/240fps
1080p@960fps

Video Recording Features

Slo-motion, Ultra Steady Video, Video HDR, Bokeh portrait video, Video Pro Mode, Stereo recording, gyro-EIS

Selfie Camera

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

12 MP
f/2.2, 26mm (wide), dual pixel PDAF

Selfie Features

HDR, panorama

Dual video call, Auto-HDR, HDR10+

Selfie Video Recording

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

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

Connectivity

SIM

Dual SIM (Nano + Nano)

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

5G Support

Yes

Yes

15 5G bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n77, n78

VoLTE

Yes

Wi-Fi

Wi-Fi 7

Wi-Fi 6E

Wi-Fi Details

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

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

Wi-Fi Features

Mobile Hotspot

Wi-Fi Direct, Mobile Hotspot

USB

USB Type-C 3.2, OTG

Bluetooth

5.4

5.3

NFC

Yes

GPS

Yes with A-GPS

Yes with A-GPS, Glonass

Infrared

Yes

UWB (Ultra Wideband)

Yes

Battery

Capacity

7300 mAh

5000 mAh

Type

Si/C Li-Ion

Li-ion

Removable

Wired charging

120W

45W

Charging Speed

65% in 30 min

Reverse Wired Charging

Wireless Charging

50W

15W

Reverse Wireless Charging

10W

4.5W

Charger in the Box

Yes

Sound

Stereo Speakers

Yes

3.5mm Headphone Jack

FM Radio

Extra Features

Sensors

Under-display ultrasonic fingerprint sensor, accelerometer, gyroscope, proximity, compass, barometer

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

Others

Samsung DeX, Samsung Wireless DeX

Colors and Pricing

Colors

Sand Storm, Black, Purple

Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition

Price in India

₹79999

FAQs

Which phone has better performance?

In this performance comparison, the OnePlus 15 with its Qualcomm Snapdragon 8 Elite Gen 5 (3nm) performs better than the Samsung Galaxy S23 Ultra with the Qualcomm Snapdragon 8 Gen 2 (4nm), thanks to superior chipset efficiency.

Which phone offers longer software support?

Both phones offer the same 4 years of OS update support. For security updates, OnePlus 15 offers 6 years of support compared to Samsung Galaxy S23 Ultra's 5 years.

Which phone has a better display?

Both OnePlus 15 and Samsung Galaxy S23 Ultra feature AMOLED displays, offering vibrant colors and deeper blacks. In terms of smoothness, OnePlus 15 offers a higher 165 Hz refresh rate, ensuring fluid scrolling and animations. OnePlus 15 also boasts a brighter screen with 1800 nits of peak brightness, enhancing outdoor visibility. Both phones have the same screen resolution.

Which phone has a bigger battery and faster charging?

OnePlus 15 comes with a larger 7300 mAh battery, which may offer longer usage on a single charge. OnePlus 15 also supports faster wired charging at 120W, compared to 45W on Samsung Galaxy S23 Ultra. OnePlus 15 offers faster wireless charging at 50W, while Samsung Galaxy S23 Ultra supports 15W.

Which phone has better water and dust resistance?

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

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