Home Phone comparison Samsung Galaxy S25 and OnePlus Ace 6 Ultra - Which is better?

Samsung Galaxy S25 vs OnePlus Ace 6 Ultra

87 out 100
Samsung Galaxy S25
VS
89 out 100
OnePlus Ace 6 Ultra
Samsung Galaxy S25
OnePlus Ace 6 Ultra

Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs OnePlus Ace 6 Ultra, Manufactured in April, 2026with chipsetMediaTek Dimensity 9500. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S25
  • Lighter design: 162g vs 217g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose OnePlus Ace 6 Ultra
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 8600mAh vs 4000mAh
  • Newer Bluetooth version: 6.0 vs 5.4
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/128 GB
- 12/256 GB
- 12/512 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy S25 and OnePlus Ace 6 Ultra
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Samsung Galaxy S25
vs
OnePlus Ace 6 Ultra

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.2 in 6.78 in
Resolution 1080x2340 pixels 1272x2772 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 416 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 91.1 % 89.7 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25
1406 nits
OnePlus Ace 6 Ultra
n/a
sRGB gamut97.4 %n/a
PWM (Flicker)240 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S25]

Design & Build

Design and ergonomics comparison
Height 146.9 mm (5.78 in) 162.5 mm (6.4 in)
Width 70.5 mm (2.78 in) 77.5 mm (3.05 in)
Thickness 7.2 mm (0.28 in) 8.5 mm (0.33 in)
Weight 162 g (5.71 oz) 217 g (7.65 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue
- Green
- Pink		 - Black
- Gray
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S25
91.1 %
OnePlus Ace 6 Ultra
89.7 %

Performance

Testing Samsung Galaxy S25 and OnePlus Ace 6 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9500
Max Frequency 4470 MHz 4210 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2.7 (C1-Pro)
- 3/3.5 (C1-Premium)
- 1/4.21 (C1-Ultra)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon MediaTek NPU 990
Graphics Adreno 830 n/a
GPU Cores 1536 n/a
GPU Frequency 1100 MHz n/a
FLOPS 3379.2 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25
3075
OnePlus Ace 6 Ultra
3600
Geekbench 6 (Multi-Core)
Samsung Galaxy S25
9822
OnePlus Ace 6 Ultra
10616
Geekbench 6 (Single-Core)30753600
Geekbench 6 (Multi-Core)982210616
Geekbench Compute (GPU)26264n/a
Sources: Geekbench v6 [Samsung Galaxy S25], [OnePlus Ace 6 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25
2382973
OnePlus Ace 6 Ultra
3429868
CPU5801391011104
GPU9612991311664
Memory478741383286
UX362794723814
NanoReview Score23829733429868

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity128 GB256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size 30.1 GB n/a
UI Skin One UI 7.0 ColorOS 16

Battery

Volume 4000 mAh 8600 mAh
Max Charging Power 25 W 120 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (56% in 30 min) Yes
Full Charge Time 1:17 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S25
24:10
OnePlus Ace 6 Ultra
n/a
Web Browsing09:09 hn/a
Video Playback17:15 hn/a
Games05:32 hn/a
Standby Mode108 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8160x6120 pixels 8192x6144 pixels
Zoom Optical, 3x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 120 ° 112 °
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length24 mm23 mm
SensorSamsung ISOCELL S5KGN3n/a
Sensor size1/1.561/1.55 (0.65)
Pixel size1 μm1 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MPn/a
Aperturef/2.4n/a
Focal length67 mmn/a
SensorSamsung ISOCELL S5K3K1n/a
Sensor size1/3.94n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
SensorSony IMX564n/a
Sensor size1/2.55n/a
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 12 MP 16 MP
Photo resolution 4000x3000 pixels 4608x3456 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 23 mm
Sensor Samsung S5K3LU n/a
Sensor size 1/3.2 1/3 (0.33)
Pixel size 1.12 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes DP 1.2 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM850,GSM900,DCS1800,PCS1900n/a
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)n/a
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S25
91.7 dB
OnePlus Ace 6 Ultra
n/a

Other

Class Flagship Flagship
Announced January, 2025 yr April, 2026 yr
Release Date February, 2025 yr April, 2026 yr
MSRP ($) 799 555
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes, 120 W

Note

Samsung Galaxy S25:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has 1.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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