Samsung Galaxy S25 Ultra vs Galaxy S20
87
out of 100
VS
58
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 Samsung Galaxy S20, which is powered by Exynos 9 Octa 990 and came out 5 years 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
Key differences
Reasons to consider the Samsung Galaxy S25 Ultra
- 3.4x better performance in AnTuTu Benchmark (3128K versus 907K)
- The rear camera has a 5x optical zoom
- Shows 78% longer battery life (28:43 vs 16:07 hours)
- Has a 0.7 inch larger screen size
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Delivers 75% higher peak brightness (1416 against 810 nits)
- Has 50% more RAM: 12GB versus 8GB
- Newer Bluetooth version (v5.4)
- More recent OS version: Android 17 versus 13
- More energy-efficient CPU – Snapdragon 8 Elite
- The phone is 5 years newer
- Compatible with Wi-Fi 7 wireless networks
- Supports higher wattage charging (45W versus 25W)
Reasons to consider the Samsung Galaxy S20
- Expandable storage via MicroSD card up to 1000GB
- Slow-motion recording at 960FPS
- Has 2 SIM card slots
- 13% higher pixel density (563 vs 498 PPI)
- Better grip in hands – the body is 8.5 mm narrower
- Weighs 55 grams less
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
Select your primary usage scenario to get a more accurate DeviceFacts Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Dynamic AMOLED | Dynamic AMOLED |
| Size | 6.9 inches | 6.2 inches |
| Resolution | 1440 x 3120 pixels | 1440 x 3200 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 498 ppi | 563 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | No |
| Max rated brightness | - | 800 nits |
| Max rated brightness in HDR | 2600 nits | 1200 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Corning Gorilla Armor 2 | Corning Gorilla Glass 6 |
| Screen-to-body ratio | 92.4% | 88.5% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display |
| RGB color space | 97.7% | 99.8% |
| PWM | 240 Hz | 242 Hz |
| Response time | 1 ms | 8.5 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Screen space comparison
Galaxy S25 Ultra
6.9″ (19.5:9 ratio) = 18.1 in2
Galaxy S20
6.2″ (20:9 ratio) = 14.4 in2
~25% more screen space
Peak brightness test (auto)
Design and build
| Height | 162.8 mm (6.41 inches) | 151.7 mm (5.97 inches) |
| Width | 77.6 mm (3.06 inches) | 69.1 mm (2.72 inches) |
| Thickness | 8.2 mm (0.32 inches) | 7.9 mm (0.31 inches) |
| Weight | 218 g (7.69 oz) | 163 g (5.75 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | - |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Silver, Gray, Blue | Gray, Blue, Red |
| 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 | Qualcomm Snapdragon 8 Elite | Samsung Exynos 9 Octa 990 |
| Max clock | 4470 MHz | 3020 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 2 + 4) |
| Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
- 4 cores at 2 GHz: Cortex-A55 - 2 cores at 2.5 GHz: Cortex-A76 - 2 cores at 2.73 GHz: Exynos M5 |
| L3 cache | 8 MB | 2 MB |
| Manufacturing | TSMC | Samsung |
| Lithography process | 3 nanometers | 7 nanometers |
| Neural processor (NPU) | Hexagon | Yes |
| Graphics | Adreno 830 | Mali-G77 MP11 |
| GPU shading units | 1536 | 352 |
| GPU clock | 1100 MHz | 832 MHz |
| FLOPS | ~3379.2 GFLOPS | ~585.7 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 26581 | - |
| Single-core score | 3202 | 996 |
| Multi-core score | 10347 | 2914 |
AnTuTu Benchmark 11
| CPU | 987646 | 370196 |
| GPU | 1190760 | 130687 |
| Memory | 362214 | 151878 |
| UX | 587932 | 254379 |
| Total score | 3128552 | 907140 |
| Samples | [66 tests] | [4 tests] |
3DMark Steel Nomad Light
| Stability | 61% | 73% |
| Graphics test | 17 FPS | 3 FPS |
| Graphics score | 2272 | 391 |
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% | 71% |
| Graphics test | 34 FPS | 8 FPS |
| Graphics score | 5827 | 1414 |
PCMark 3.0
| Web score | 21582 | 9900 |
| Video editing | 8625 | 5850 |
| Photo editing | 34425 | 32007 |
| Data manipulation | 17556 | 8870 |
| Writing score | 26844 | 13632 |
AnTuTu 11 Ranking List (#87th place)
Recent User Tests
Samsung Galaxy S25 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-10-09 (IceBaer) | AnTuTu 12 | 3395994 |
| 📘 2026-10-04 (Gun park) | AnTuTu 12 | 3085318 |
| 📘 2026-10-04 (potatowan) | Geekbench 7 CPU | 2791 / 10180 |
| 📘 2026-10-03 (Apple Slayer) | AnTuTu 12 | 3529678 |
| 📘 2026-10-02 (potatowan) | AnTuTu 12 | 3590956 |
Samsung Galaxy S20
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-06-17 -> wrath | AnTuTu 11 | 953700 |
| 📘 2026-06-16 (Wrath) | AnTuTu 11 | 907140 |
| 📘 2026-03-26 (Soulsinho) | AnTuTu 11 | 888046 |
| 📘 2026-01-20 (minxvix) | AnTuTu 11 | 876396 |
| 📘 2024-09-21 (Muhammad Abdullah Haider) | Geekbench 6 CPU | 996 / 2914 |
Memory
| RAM size | 12 GB | 8 GB |
| Memory type | LPDDR5X | LPDDR5 |
| Memory clock | 5300 MHz | 3200 MHz |
| Channels | 4 | 2 |
| Storage size | 256 GB | 128 GB |
| Storage type | UFS 4.0 | UFS 3.0 |
| Memory card | No | MicroSD |
| Memory card max size | - | Up to 1000 GB |
Software
| Operating system | Android 15 (Can be upgraded to Android 17) | Android 10.0 (Can be upgraded to Android 13) |
| ROM | One UI 9.0 | One UI 5.1 |
| OS size | 30.4 GB | 20.1 GB |
| OS updates | 7 years | 2 years |
| Security updates | 7 years | 4 years |
Battery
| Capacity | 5000 mAh | 4000 mAh |
| Max charge power | 45 W | 25 W |
| Battery type | Li-Ion | Li-Ion |
| Replaceable | No | No |
| Wireless charging | Yes (25 W) | Yes (15 W) |
| Reverse charging | Yes, (wireless) | Yes, (wireless) |
| Bypass charging | Yes | - |
| Fast charging | Yes (72% in 30 min) | Yes (100% in 75 min) |
| Full charging time | 0:59 hr | 1:15 hr |
| Battery cycles | 2000 cycles | - |
| Web browsing | 11:10 hr | 06:49 hr |
| Watching video | 19:32 hr | 10:33 hr |
| Gaming | 06:22 hr | 04:30 hr |
| Standby | 132 hr | 69 hr |
General battery life
Smartphones With Long Battery Life (#69th place)
Main camera
| Matrix | 200 megapixels | 12 megapixels |
| Image resolution | 16320 x 12240 | 4000 x 3000 |
| Zoom | Optical, 5x | Optical, 1.1x |
| Flash | LED | LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 24FPS |
| 4K video recording | Up to 120FPS | Up to 60FPS |
| 1080p video recording | Up to 240FPS | Up to 60FPS |
| Slow motion | 240 FPS (1080p) | 960 FPS (720p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 1) Standard: 200 MP 2) Telephoto: 50 MP 3) Telephoto: 10 MP 4) Ultrawide: 50 MP |
1) Standard: 12 MP 2) Telephoto: 64 MP 3) Ultrawide: 12 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 200 MP | 12 MP |
| Aperture | f/1.7 | f/1.8 |
| Focal length | 23 mm | 26 mm |
| Sensor | Samsung ISOCELL S5KHP2 | Samsung S5K2LD |
| Sensor size | 1/1.3" (≈ 0.77 inch) | 1/1.76" (≈ 0.57 inch) |
| Pixel size | 0.6 micron | 1.8 micron |
| Autofocus | Laser autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 64 MP |
| Aperture | f/3.4 | f/2.0 |
| Focal length | 111 mm | 29 mm |
| Sensor | Sony IMX854 | Samsung Bright S5KGW2 |
| Sensor size | 1/2.52" (≈ 0.4 inch) | 1/1.72" (≈ 0.58 inch) |
| Pixel size | 0.7 micron | 0.8 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 12 MP |
| Aperture | f/1.9 | f/2.2 |
| Focal length | 13 mm | 13 mm |
| Sensor | Samsung ISOCELL S5KJN3 | Samsung S5K2LA |
| Sensor size | 1/2.5" (≈ 0.4 inch) | 1/2.55" (≈ 0.39 inch) |
| Pixel size | 0.7 micron | 1.4 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 | 10 megapixels |
| Image resolution | 4000 x 3000 | 2592 x 3872 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5K3LU | Samsung S5K3J1 |
| Sensor size | 1/3.2" (≈ 0.31 inch) | 1/3.2" (≈ 0.31 inch) |
| Pixel size | 1.12 micron | 1.22 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 6 (802.11 b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.4 | 5 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.1 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | Yes, DP 1.2 | - |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 1 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | Yes | Yes |
| Hybrid slot | No | Yes |
| LTE Cat* | - | 22 |
| 5G support | Yes | No |
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 | January 2025 | February 2020 |
| Release date | February 2025 | March 2020 |
| Launch price (MSRP) | $1299 | $999 |
| Successor | - Samsung Galaxy S26 Ultra | - Samsung Galaxy S25 FE |
| SAR (head) | 1.25 W/kg | 0.28 W/kg |
| SAR (body) | 1.42 W/kg | 1.52 W/kg |
| Sensors | - Hall-effect sensor - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Compass - Fingerprint |
| Bundled charger | 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
After analyzing all the data, we think that the Samsung Galaxy S25 Ultra is definitely a better buy.
Cast your vote
Total votes: 13