Xiaomi 17 Ultra vs Samsung Galaxy S25 Ultra

Here we compared two flagship smartphones: the 6.9-inch Xiaomi 17 Ultra (with Qualcomm Snapdragon 8 Elite Gen 5) that was released on December 25, 2025, against the Samsung Galaxy S25 Ultra, which is powered by Qualcomm Snapdragon 8 Elite and came out 1 year before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

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Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 17 Ultra
  • Delivers 160% higher peak brightness (3674 against 1413 nits)
  • Comes with 1000 mAh larger battery capacity: 6000 vs 5000 mAh
  • Shows 16% longer battery life (33:23 vs 28:43 hours)
  • Better camera quality (According to DxOMark rating)
  • Newer Bluetooth version (v6.0)
  • Supports higher wattage charging (90W versus 45W)
  • Slow-motion recording at 1920FPS
  • 17% better performance in AnTuTu Benchmark (3667K versus 3128K)
  • Has 2 SIM card slots
  • The phone is 1 year newer
  • Has a built-in infrared port
Reasons to consider the Samsung Galaxy S25 Ultra
  • The rear camera has a 5x optical zoom
  • 20% higher pixel density (498 vs 416 PPI)

Review

Evaluation of Xiaomi 17 Ultra and Samsung Galaxy S25 Ultra crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation
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Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 512 GB
VS
12 / 256 GB
29.2
(Mediocre)
Value Index
38.2
(Mediocre)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type AMOLED Dynamic AMOLED
Size 6.9 inches 6.9 inches
Resolution 1200 x 2608 pixels 1440 x 3120 pixels
Aspect ratio 19.5:9 19.5:9
PPI 416 ppi 498 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 1200 nits -
Max rated brightness in HDR 3500 nits 2600 nits
HDR support Yes, Dolby Vision Yes, HDR10+
Touch sampling rate 300 Hz 240 Hz
Screen protection Xiaomi Shield Glass 3.0 Corning Gorilla Armor 2
Screen-to-body ratio 92.4% 92.4%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 100% 97.7%
PWM 121 Hz 240 Hz
Response time 1 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
17 Ultra +160%
3674 nits
1413 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 162.9 mm (6.41 inches) 162.8 mm (6.41 inches)
Width 77.6 mm (3.06 inches) 77.6 mm (3.06 inches)
Thickness 8.29 mm (0.33 inches) 8.2 mm (0.32 inches)
Weight 218.4 g (7.7 oz) 218 g (7.69 oz)
Waterproof IP68 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material - Glass
Frame material Metal Metal
Colors White, Black, Green, Purple Black, Silver, Gray, Blue
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Average (2.63/5) Good (3.23/5)
Drop resistance Excellent (A) · 270 drops Excellent (A) · 270 drops
Screen-to-body ratio

Performance

Chipset specifications of Xiaomi 17 Ultra and Samsung Galaxy S25 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite
Max clock 4610 MHz 4470 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache 8 MB 8 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 840 Adreno 830
GPU shading units 1536 1536
GPU clock 1300 MHz 1100 MHz
FLOPS ~3993.6 GFLOPS ~3379.2 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 17 Ultra and Samsung Galaxy S25 Ultra
Geekbench 6 (Single-Core)
17 Ultra +16%
3711
Geekbench 6 (Multi-Core)
17 Ultra +9%
11259
Compute Score (GPU)
17 Ultra +2%
27219
Compute Score (GPU) 27219 26581
Single-core score 3711 3202
Multi-core score 11259 10347
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
17 Ultra +17%
3667711
CPU 1064371 987646
GPU 1296835 1190760
Memory 518366 362214
UX 788139 587932
Total score 3667711 3128552
Samples [7 tests] [66 tests]
3DMark Steel Nomad Light
17 Ultra +4%
2370
Stability 81% 61%
Graphics test 18 FPS 17 FPS
Graphics score 2370 2272
3DMark Solar Bay
17 Ultra +4%
10845
Graphics test 41 FPS 40 FPS
Section 1 46 FPS 50 FPS
Section 2 41 FPS 40 FPS
Section 3 36 FPS 29 FPS
Graphics score 10845 10441
3DMark Wild Life Extreme
Stability - 56%
Graphics test - 34 FPS
Graphics score - 5827
Sources: 3DMark [5], [6]
PCMark 3.0
18833
19901
Web score 16855 21582
Video editing 8052 8625
Photo editing 40273 34425
Data manipulation 15949 17556
Writing score 26073 26844
AnTuTu 11 Ranking List (44th and 86th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 17 Ultra
DateBenchmarkResult
📘 2026-09-25 (Klax)AnTuTu 123939764
📘 2026-09-13 (H1roshi)AnTuTu 113530859
📘 2026-07-04 (...)AnTuTu 113582442
📘 2026-06-26 (ALBAY)AnTuTu 113913603
📘 2026-04-18 (UsusWarteg)AnTuTu 113828672
Samsung Galaxy S25 Ultra
DateBenchmarkResult
📘 2026-10-04 (Gun park)AnTuTu 123085318
📘 2026-10-04 (potatowan)Geekbench 7 CPU2791 / 10180
📘 2026-10-03 (Apple Slayer)AnTuTu 123529678
📘 2026-10-02 (potatowan)AnTuTu 123590956
📘 2026-09-29 (VortexGen)AnTuTu 123414404

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5300 MHz 5300 MHz
Channels 4 4
Storage
Storage size 512 GB 256 GB
Storage type UFS 4.1 UFS 4.0
Memory card No No

Software

Operating system Android 16 Android 15 (Can be upgraded to Android 16)
ROM HyperOS 3 One UI 8.0
OS size 36 GB 30.4 GB
OS updates 6 years 7 years
Security updates 6 years 7 years

Battery

Capacity 6000 mAh 5000 mAh
Max charge power 90 W 45 W
Battery type Silicon-Carbon (Si/C) Li-Ion
Replaceable No No
Wireless charging Yes (50 W) Yes (25 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes Yes
Fast charging Yes (72% in 30 min) Yes (72% in 30 min)
Full charging time 0:50 hr 0:59 hr
Battery cycles 1000 cycles 2000 cycles
Battery life tests
Web browsing 16:09 hr 11:10 hr
Watching video 22:41 hr 19:32 hr
Gaming 08:02 hr 06:22 hr
Standby 125 hr 132 hr
General battery life
17 Ultra +16%
33:23 hr
28:43 hr

Main camera

Matrix 50 megapixels 200 megapixels
Image resolution 8192 x 6144 16320 x 12240
Zoom Optical, 4.3x Optical, 5x
Flash Dual 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 60FPS Up to 240FPS
Slow motion 1920 FPS (720p) 240 FPS (1080p)
Angle of widest lens 115° 120°
Lenses 1) Standard: 50 MP
2) Telephoto: 200 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 50 MP 200 MP
Aperture f/1.67 f/1.7
Focal length 23 mm 23 mm
Sensor OmniVision OVX10500 Samsung ISOCELL S5KHP2
Sensor size 1/1" (≈ 1 inch) 1/1.3" (≈ 0.77 inch)
Pixel size 1.6 micron 0.6 micron
Autofocus Laser autofocus Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 200 MP 50 MP
Aperture f/2.4 - 3.0 f/3.4
Focal length 100 mm 111 mm
Sensor Samsung ISOCELL HPE Sony IMX854
Sensor size 1/1.4" (≈ 0.71 inch) 1/2.52" (≈ 0.4 inch)
Pixel size 0.56 micron 0.7 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/2.2 f/1.9
Focal length 14 mm 13 mm
Sensor Samsung S5KJN5 Samsung ISOCELL S5KJN3
Sensor size 1/2.76" (≈ 0.36 inch) 1/2.5" (≈ 0.4 inch)
Pixel size 0.64 micron 0.7 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
17 Ultra +12%
170
Video quality
Generic main camera score
17 Ultra +10%
166
Bokeh 175 165
Preview - 81
Zoom 169 137
Samples Photo samples of Xiaomi 17 Ultra from DxOMark Photo samples of Samsung Galaxy S25 Ultra from DxOMark

Selfie camera

Megapixels 50 megapixels 12 megapixels
Image resolution 8192 x 6144 4000 x 3000
Aperture f/2.2 f/2.2
Focal length 21 mm 26 mm
Sensor Omnivision OV50M Samsung S5K3LU
Sensor size 1/2.88" (≈ 0.35 inch) 1/3.2" (≈ 0.31 inch)
Pixel size 0.61 micron 1.12 micron
Autofocus Phase autofocus 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, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port Yes No
Network
Number of SIM* 2 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
84.7 dB
93 dB

Other

Category Flagship Flagship
Announced December 2025 January 2025
Release date March 2026 February 2025
Launch price (MSRP) $1199 $1299
Successor - - Samsung Galaxy S26 Ultra
SAR (head) - 1.25 W/kg
SAR (body) - 1.42 W/kg
Sensors - 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 camera, battery life, connectivity, and design are more important to you, then choose the Xiaomi 17 Ultra. But if the sound is more of a priority – go for the Samsung Galaxy S25 Ultra.

Cast your vote

So, which phone would you choose?
147 (58.3%)
105 (41.7%)
Total votes: 252

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