Samsung Galaxy S27 Ultra vs S25 Ultra

Here we compared two flagship smartphones: the 6.9-inch Samsung Galaxy S27 Ultra (with Qualcomm Snapdragon 8 Elite Extreme Gen 6 ) that was released on February 1, 2027, against the Samsung Galaxy S25 Ultra, which is powered by Qualcomm Snapdragon 8 Elite and came out 2 years and 1 month before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
Specifications of the Galaxy S27 Ultra was provided by insiders and may not be fully accurate.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S27 Ultra
  • 39% better performance in AnTuTu Benchmark (4334K versus 3128K)
  • Newer Bluetooth version (v6.0)
  • Comes with 700 mAh larger battery capacity: 5700 vs 5000 mAh
  • Supports higher wattage charging (60W versus 45W)
  • The phone is 2 years and 1 month newer
  • Faster storage type - UFS 4.1 versus UFS 4.0
  • 21% faster in single-core GeekBench 6 test: 3890 and 3202 points

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.9 inches 6.9 inches
Resolution 1440 x 3120 pixels 1440 x 3120 pixels
Aspect ratio 19.5:9 19.5:9
PPI 498 ppi 498 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 2000 nits -
Max rated brightness in HDR 3000 nits 2600 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch sampling rate - 240 Hz
Screen protection Corning Gorilla Armor 2 Corning Gorilla Armor 2
Screen-to-body ratio 91.2% 92.4%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 97.7%
PWM - 240 Hz
Response time - 1 ms
Contrast - ∞ Infinity
Peak brightness test (auto)
Sources: NotebookCheck [3]

Design and build

Height 163.6 mm (6.44 inches) 162.8 mm (6.41 inches)
Width 78.3 mm (3.08 inches) 77.6 mm (3.06 inches)
Thickness 8 mm (0.31 inches) 8.2 mm (0.32 inches)
Weight 221 g (7.8 oz) 218 g (7.69 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black Black, Silver, Gray, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3.23/5)
Drop resistance - Excellent (A) · 270 drops
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S27 Ultra and Samsung Galaxy S25 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Elite Extreme Gen 6 Qualcomm Snapdragon 8 Elite
Max clock 5010 MHz 4470 MHz
CPU cores 8 (2 + 3 + 3) 8 (2 + 6)
Architecture - 3 cores at 3.74 GHz:
- 3 cores at 4.03 GHz:
- 2 cores at 5.01 GHz:
- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache - 8 MB
Manufacturing TSMC TSMC
Lithography process 2 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 850 Adreno 830
GPU shading units 1536 1536
GPU clock 1450 MHz 1100 MHz
FLOPS ~4454.4 GFLOPS ~3379.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S27 Ultra and Samsung Galaxy S25 Ultra
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 31492 26581
Single-core score 3890 3202
Multi-core score 12074 10347
Sources: Geekbench [3]
AnTuTu Benchmark 11
4334055
CPU 1275438 987646
GPU 1686566 1190760
Memory 495257 362214
UX 876794 587932
Total score 4334055 3128552
Samples Less than 3 [66 tests]
3DMark Steel Nomad Light
Stability - 61%
Graphics test - 17 FPS
Graphics score - 2272
3DMark Solar Bay
Graphics test - 40 FPS
Section 1 - 50 FPS
Section 2 - 40 FPS
Section 3 - 29 FPS
Graphics score - 10441
3DMark Wild Life Extreme
Stability - 56%
Graphics test - 34 FPS
Graphics score - 5827
Sources: 3DMark [5]
PCMark 3.0
Web score - 21582
Video editing - 8625
Photo editing - 34425
Data manipulation - 17556
Writing score - 26844

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S27 Ultra
No benchmark results yet
Samsung Galaxy S25 Ultra
DateBenchmarkResult
📘 2026-11-09 (Luis)AnTuTu 123151647
📘 2026-11-07 (S25u.Prime)AnTuTu 123369200
📘 2026-11-04 (JetStream)AnTuTu 123699864
📘 2026-10-26 (Ric)AnTuTu 123553724
📘 2026-10-24 -> Black_KRGMGeekbench 6 CPU3156 / 10015

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock - 5300 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.0
Memory card No No

Software

Operating system Android 17 Android 15 (Can be upgraded to Android 17)
ROM One UI 9.5 One UI 9.0
OS size - 30.4 GB
OS updates 7 years 7 years
Security updates 7 years 7 years

Battery

Capacity 5700 mAh 5000 mAh
Max charge power 60 W 45 W
Battery type Silicon-Carbon (Si/C) Li-Ion
Replaceable No No
Wireless charging Yes (25 W) Yes (25 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes Yes
Fast charging Yes (80% in 30 min) Yes (72% in 30 min)
Full charging time 0:50 hr 0:59 hr
Battery cycles - 2000 cycles
Battery life tests
Web browsing - 11:10 hr
Watching video - 19:32 hr
Gaming - 06:22 hr
Standby - 132 hr
General battery life

Main camera

Matrix 200 megapixels 200 megapixels
Image resolution 16320 x 12240 16320 x 12240
Zoom Optical, 5x Optical, 5x
Flash LED LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 240FPS Up to 240FPS
Slow motion 240 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 200 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 10 MP
4) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 200 MP 200 MP
Aperture f/1.4 f/1.7
Focal length 23 mm 23 mm
Sensor - Samsung ISOCELL S5KHP2
Sensor size 1/1.3" (≈ 0.77 inch) 1/1.3" (≈ 0.77 inch)
Pixel size 0.6 micron 0.6 micron
Autofocus Laser autofocus Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 50 MP
Aperture - f/3.4
Focal length - 111 mm
Sensor - Sony IMX854
Sensor size 1/2.55" (≈ 0.39 inch) 1/2.52" (≈ 0.4 inch)
Pixel size - 0.7 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/1.9 f/1.9
Focal length 13 mm 13 mm
Sensor - Samsung ISOCELL S5KJN3
Sensor size 1/2.5" (≈ 0.4 inch) 1/2.5" (≈ 0.4 inch)
Pixel size 0.7 micron 0.7 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh - 165
Preview - 81
Zoom - 137
Samples - Photo samples of Samsung Galaxy S25 Ultra from DxOMark

Selfie camera

Megapixels 16 megapixels 12 megapixels
Image resolution - 4000 x 3000
Aperture - f/2.2
Focal length - 26 mm
Sensor - Samsung S5K3LU
Sensor size 1/2.6" (≈ 0.38 inch) 1/3.2" (≈ 0.31 inch)
Pixel size - 1.12 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 6.0 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort Yes Yes, DP 1.2
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 1
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness

Other

Category Flagship Flagship
Announced February 2027 January 2025
Release date March 2027 February 2025
Launch price (MSRP) $1399 $1299
Successor - - Samsung Galaxy S26 Ultra
SAR (head) - 1.25 W/kg
SAR (body) - 1.42 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Not included
Further details
Notes on Galaxy S25 Ultra:
    - Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.
    - Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the display, camera, and gaming are more important to you, then choose the Samsung Galaxy S27 Ultra. But if the battery life is more of a priority – go for the Samsung Galaxy S25 Ultra.

Cast your vote

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3 (100%)
Total votes: 3

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