- android.gs
- Compare
- Galaxy S20 vs Galaxy S25 Ultra
Samsung Galaxy S20 vs Samsung Galaxy S25 Ultra
What Galaxy S20 does better (6) and where Galaxy S25 Ultra wins (22) — every spec side by side.
vs
7.7Display9.1
6.0Performance9.1
7.9Camera9.8
3.8Battery7.1
8.2Features9.8
Dimensions
Size comparison
Galaxy S20Galaxy S25 Ultra
| Galaxy S20 | Galaxy S25 Ultra | Difference | |
|---|---|---|---|
| Height | 151.7 mm | 162.8 mm | −11.1 mm |
| Width | 69.1 mm | 77.6 mm | −8.5 mm |
| Thickness | 7.9 mm | 8.2 mm | −0.3 mm |
| Weight | 163 g | 218 g | −55 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Galaxy S20 better than Galaxy S25 Ultra?
- Geekbench 6 (multi-core)12,557 vs 9,846+28%
- Weight163 g vs 218 g+34%
- Memory card slotYes · Galaxy S25 Ultra: No
- Pixel density563 ppi vs 498 ppi+13%
- Thickness7.9 mm vs 8.2 mm+4%
- Loudspeaker loudness-23.9 LUFS vs -24.6 LUFS+-3%
Why is Galaxy S25 Ultra better than Galaxy S20?
- AnTuTu score525,029 vs 2,207,8094.2×
- Main camera12 MP vs 200 MP16.7×
- RAM8 GB vs 16 GB2×
- 3DMark Wild Life Extreme1,414 vs 6,6874.7×
- Storage (max)128 GB vs 1,024 GB8×
- Optical zoom1.1× vs 5×4.5×
- Wired charging25 W vs 45 W+80%
- Peak brightness1,200 nits vs 2,600 nits2.2×
- Battery capacity4,000 mAh vs 5,000 mAh+25%
- 5GNo · Galaxy S20: Yes
- Measured brightness814 nits vs 1,417 nits+74%
- CPU frequency2.84 GHz vs 4.47 GHz+57%
Specifications
Side by side
| Design | ||
| Weight | 163 g | 218 g |
| Thickness | 7.9 mm | 8.2 mm |
| Height | 151.7 mm | 162.8 mm |
| Width | 69.1 mm | 77.6 mm |
| Frame | Aluminium | Titanium |
| Back | Glass | Glass |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Corning Gorilla Glass 6 | Corning Gorilla Armor 2 |
| Colours | Cosmic Grey, Cloud Blue, Cloud Pink, Cloud White, Aura Red | Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold |
| Stylus | — | Yes |
| Display | ||
| Screen size | 6.2″ | 6.9″ |
| Panel | Dynamic AMOLED 2X | Dynamic LTPO AMOLED 2X |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | — | Yes |
| Resolution (width) | 1,440 px | 1,440 px |
| Resolution (height) | 3,200 px | 3,120 px |
| Pixel density | 563 ppi | 498 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,200 nits | 2,600 nits |
| Measured brightness | 814 nits | 1,417 nits |
| Screen-to-body ratio | 89.5% | 92.5% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Exynos 990 - Global | Qualcomm SM8750-AC Snapdragon 8 Elite |
| Chip maker | Qualcomm | Qualcomm |
| Process | 7 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 4.47 GHz |
| GPU | Mali-G77 MP11 - Global Adreno 650 - USA | Adreno 830 |
| AnTuTu score | 525,029 | 2,207,809 |
| Geekbench 6 (multi-core) | 12,557 | 9,846 |
| 3DMark Wild Life Extreme | 1,414 | 6,687 |
| Memory | ||
| RAM | 8 GB | 16 GB |
| Storage (max) | 128 GB | 1,024 GB |
| Storage (base) | 128 GB | 256 GB |
| Storage type | UFS 3.0 | UFS 4.0 |
| Memory card slot | Yes | No |
| Camera | ||
| Main camera | 12 MP | 200 MP |
| Main camera aperture | f/1.8 | f/1.7 |
| Main sensor size | 1/1.76" | 1/1.3" |
| Rear cameras | 3 | 4 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 1.1× | 5× |
| Max video | 8K | 8K |
| 4K video frame rate | 60 fps | 120 fps |
| Selfie camera | 10 MP | 12 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 4,000 mAh | 5,000 mAh |
| Battery type | Li-Ion | Li-Ion |
| Active use (test) | — | 14.8 h |
| Wired charging | 25 W | 45 W |
| Charged in 30 min | — | 65% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 15 W | 15 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | No | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6 | Wi-Fi 7 |
| Bluetooth | 5 | 5.4 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 | USB Type-C 3.2 |
| USB version | 3.2 | 3.2 |
| Video output | — | Yes |
| Ultra Wideband | — | Yes |
| Dual-band GPS | — | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS | GLONASS, GALILEO, BDS, QZSS |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -23.9 LUFS | -24.6 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display, ultrasonic |
| Barometer | Yes | Yes |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| SAR (head) | 0.28 W/kg | 1.25 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 15 |
| Platform | Android | Android |
| Interface | One UI 5 | One UI 9 |
| Major OS updates promised | — | 7 |
| EU label | ||
| Energy class | — | B |
| Battery charge cycles | — | 2,000 |
| Endurance per cycle | — | 45 h |
| Repairability class | — | C |
| Drop resistance class | — | A |
