Samsung Galaxy S25 Ultra vs Realme GT 8 Pro
88
out of 100
VS
92
out of 100
Here we compared two flagship smartphones: the 6.9-inch Samsung Galaxy S25 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on January 22, 2025, against the Realme GT 8 Pro, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 9 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Samsung Galaxy S25 Ultra
- The rear camera has a 5x optical zoom
- Supports Dolby Atmos sound technology
Reasons to consider the Realme GT 8 Pro
- Delivers 182% higher peak brightness (4034 against 1428 nits)
- Comes with 2000 mAh larger battery capacity: 7000 vs 5000 mAh
- Shows 30% longer battery life (37:13 vs 28:43 hours)
- Higher display refresh rate – 144 Hz
- Newer Bluetooth version (v6.0)
- Supports higher wattage charging (120W versus 45W)
- Waterproof body (IP69 classification)
- 29% better performance in AnTuTu Benchmark (4024K versus 3128K)
- Has 2 SIM card slots
- Has a built-in infrared port
Review
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
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
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Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Dynamic AMOLED | OLED |
| Size | 6.9 inches | 6.79 inches |
| Resolution | 1440 x 3120 pixels | 1440 x 3136 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 498 ppi | 508 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes |
| Max rated brightness | - | 2000 nits |
| Max rated brightness in HDR | 2600 nits | 7000 nits |
| HDR support | Yes, HDR10+ | Yes, Dolby Vision |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Corning Gorilla Armor 2 | 60-120 |
| Screen-to-body ratio | 92.4% | 91% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 97.7% | - |
| PWM | 240 Hz | - |
| Response time | 1 ms | - |
| Contrast | ∞ Infinity | - |
Peak brightness test (auto)
Design and build
| Height | 162.8 mm (6.41 inches) | 161.8 mm (6.37 inches) |
| Width | 77.6 mm (3.06 inches) | 76.87 mm (3.03 inches) |
| Thickness | 8.2 mm (0.32 inches) | 8.2 mm (0.32 inches) |
| Weight | 218 g (7.69 oz) | 214 g (7.55 oz) |
| Waterproof | IP68 | IP69 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Plastic |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Gray, Blue | White, Blue, Green |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | Good (3.23/5) | Good (3.24/5) |
| Drop resistance | Excellent (A) · 270 drops | Average (D) · 60 drops |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite Gen 5 |
| Max clock | 4470 MHz | 4600 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance - 2 cores at 4.74 GHz: Oryon Gen 3 Prime |
| L3 cache | 8 MB | 12 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 3 nanometers |
| Neural processor (NPU) | Hexagon | Hexagon |
| Graphics | Adreno 830 | Adreno 840 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1100 MHz | 1300 MHz |
| FLOPS | ~3379.2 GFLOPS | ~3993.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 26581 | 28004 |
| Single-core score | 3202 | 3711 |
| Multi-core score | 10347 | 11175 |
AnTuTu Benchmark 11
| CPU | 987646 | 1129296 |
| GPU | 1190760 | 1516328 |
| Memory | 362214 | 465192 |
| UX | 587932 | 913920 |
| Total score | 3128552 | 4024736 |
| Samples | [66 tests] | [14 tests] |
3DMark Steel Nomad Light
| Stability | 61% | - |
| Graphics test | 17 FPS | 22 FPS |
| Graphics score | 2272 | 3001 |
3DMark Solar Bay
| Graphics test | 40 FPS | 49 FPS |
| Section 1 | 50 FPS | 57 FPS |
| Section 2 | 40 FPS | 49 FPS |
| Section 3 | 29 FPS | 42 FPS |
| Graphics score | 10441 | 12974 |
3DMark Wild Life Extreme
| Stability | 56% | - |
| Graphics test | 34 FPS | - |
| Graphics score | 5827 | - |
PCMark 3.0
| Web score | 21582 | 30905 |
| Video editing | 8625 | 7273 |
| Photo editing | 34425 | 69025 |
| Data manipulation | 17556 | 18371 |
| Writing score | 26844 | 43824 |
AnTuTu 11 Ranking List (73rd and 15th place)
Recent User Tests
Samsung Galaxy S25 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-06 (Trexsotiy) | Battery life | SOT 12:30 / 03:16 |
| 📘 2026-09-02 -> Mohamed_136 | Battery life | SOT 8:02 / 17:11 |
| 📘 2026-08-29 (PaWK) | AnTuTu | 3034536 |
| 📘 2026-08-23 (Apple Slayer) | AnTuTu | 3254557 |
| 📘 2026-08-08 (Minh Tùng) | AnTuTu | 2954951 |
Realme GT 8 Pro
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-18 (Mj.) | AnTuTu | 4016269 |
| 📘 2026-08-03 (Gulhark) | AnTuTu | 3957182 |
| 📘 2026-07-23 (Zergo) | AnTuTu | 3898421 |
| 📘 2026-07-16 (Vladsmesh) | AnTuTu | 4243822 |
| 📘 2026-05-14 (mrt) | AnTuTu | 4379440 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 5300 MHz | 5300 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.1 |
| Memory card | No | No |
Software
| Operating system | Android 15 (Can be upgraded to Android 16) | Android 16 |
| ROM | One UI 8.0 | Realme UI 7.0 |
| OS size | 30.4 GB | - |
| OS updates | 7 years | 4 years |
| Security updates | 7 years | 4 years |
Battery
| Capacity | 5000 mAh | 7000 mAh |
| Max charge power | 45 W | 120 W |
| Battery type | Li-Ion | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | Yes (25 W) | Yes (50 W) |
| Reverse charging | Yes, (wireless) | Yes, (wireless) |
| Bypass charging | Yes | Yes |
| Fast charging | Yes (72% in 30 min) | Yes (86% in 15 min) |
| Full charging time | 0:59 hr | 0:40 hr |
| Battery cycles | 2000 cycles | 1100 cycles |
| Web browsing | 11:10 hr | 16:17 hr |
| Watching video | 19:32 hr | 24:49 hr |
| Gaming | 06:22 hr | 08:34 hr |
| Standby | 132 hr | 157 hr |
General battery life
Smartphones With Long Battery Life (68th and 8th place)
Main camera
| Matrix | 200 megapixels | 50 megapixels |
| Image resolution | 16320 x 12240 | 8192 x 6144 |
| Zoom | Optical, 5x | Optical, 3x |
| Flash | LED | Dual 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 60FPS |
| Slow motion | 240 FPS (1080p) | 240 FPS (1080p) |
| Angle of widest lens | 120° | 112° |
| Lenses | 1) Standard: 200 MP 2) Telephoto: 50 MP 3) Telephoto: 10 MP 4) Ultrawide: 50 MP |
1) Standard: 50 MP 2) Telephoto: 200 MP 3) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 200 MP | 50 MP |
| Aperture | f/1.7 | f/1.9 |
| Focal length | 23 mm | 24 mm |
| Sensor | Samsung ISOCELL S5KHP2 | - |
| Sensor size | 1/1.3" (≈ 0.77 inch) | 1/1.56" (≈ 0.64 inch) |
| Pixel size | 0.6 micron | 1 micron |
| Autofocus | Laser autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 200 MP |
| Aperture | f/3.4 | f/2.6 |
| Focal length | 111 mm | 65 mm |
| Sensor | Sony IMX854 | Samsung ISOCELL S5KHP5 |
| Sensor size | 1/2.52" (≈ 0.4 inch) | 1/1.56" (≈ 0.64 inch) |
| Pixel size | 0.7 micron | 0.5 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.9 | f/2.0 |
| Focal length | 13 mm | 16 mm |
| Sensor | Samsung ISOCELL S5KJN3 | OmniVision OV50D |
| Sensor size | 1/2.5" (≈ 0.4 inch) | 1/2.88" (≈ 0.35 inch) |
| Pixel size | 0.7 micron | 0.64 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 | 12 megapixels | 32 megapixels |
| Image resolution | 4000 x 3000 | 6528 x 4896 |
| Aperture | f/2.2 | f/2.4 |
| Focal length | 26 mm | 24 mm |
| Sensor | Samsung S5K3LU | CMOS |
| Sensor size | 1/3.2" (≈ 0.31 inch) | 1/3.1" (≈ 0.32 inch) |
| Pixel size | 1.12 micron | 0.7 micron |
| Autofocus | Phase autofocus (Dual Pixel) | No |
| 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 | 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, NAVIC |
| NFC* | Yes | Yes |
| Infrared port | No | Yes |
| Number of SIM* | 1 | 2 |
| 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 | No |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | January 2025 | October 2025 |
| Release date | February 2025 | November 2025 |
| Launch price (MSRP) | $1299 | $999 |
| 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 |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Not included | Yes, 120 W |
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 gaming and battery life are more important to you, then choose the Realme GT 8 Pro. But if the software, design, and sound are more of a priority – go for the Samsung Galaxy S25 Ultra.
Cast your vote
Total votes: 205