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- X3 vs Galaxy Note20 Ultra 5G
Realme X3 vs Samsung Galaxy Note20 Ultra 5G
What X3 does better (3) and where Galaxy Note20 Ultra 5G wins (21) — every spec side by side.
vs
6.8Display9.3
7.9Camera9.7
3.1Battery4.3
5.0Features9.4
Dimensions
Size comparison
X3Galaxy Note20 Ultra 5G
| X3 | Galaxy Note20 Ultra 5G | Difference | |
|---|---|---|---|
| Height | 163.8 mm | 164.8 mm | −1 mm |
| Width | 75.8 mm | 77.2 mm | −1.4 mm |
| Thickness | 8.9 mm | 8.1 mm | +0.8 mm |
| Weight | 202 g | 208 g | −6 g |
Drawn to the same scale from the official dimensions (front and side).
Why is X3 better than Galaxy Note20 Ultra 5G?
- Wired charging30 W vs 25 W+20%
- Weight202 g vs 208 g+3%
- Selfie camera16 MP vs 10 MP+60%
Why is Galaxy Note20 Ultra 5G better than X3?
- Storage (max)128 GB vs 512 GB4×
- Optical zoom2× vs 5×2.5×
- Main camera64 MP vs 108 MP+69%
- RAM8 GB vs 12 GB+50%
- OLED panelNo · X3: Yes
- Optical stabilisationNo · X3: Yes
- Wireless chargingNo · X3: Yes
- NFCNo · X3: Yes
- Stereo speakersNo · X3: Yes
- Battery capacity4,200 mAh vs 4,500 mAh+7%
- Pixel density399 ppi vs 496 ppi+24%
- Memory card slotNo · X3: Yes
Specifications
Side by side
| Design | ||
| Weight | 202 g | 208 g |
| Thickness | 8.9 mm | 8.1 mm |
| Height | 163.8 mm | 164.8 mm |
| Width | 75.8 mm | 77.2 mm |
| Frame | Plastic | Stainless steel |
| Back | Glass | Glass |
| Ingress protection | — | IP68 |
| Water resistance (IPx) | — | IPx8 |
| Glass protection | Corning Gorilla Glass 5 | Corning Gorilla Glass Victus |
| Colours | Glacier Blue, Arctic White | Mystic Bronze, Mystic Black, Mystic White |
| Stylus | — | Yes |
| Display | ||
| Screen size | 6.6″ | 6.9″ |
| Panel | IPS LCD | Dynamic AMOLED 2X |
| OLED panel | No | Yes |
| Resolution (width) | 1,080 px | 1,440 px |
| Resolution (height) | 2,400 px | 3,088 px |
| Pixel density | 399 ppi | 496 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Measured brightness | — | 1,024 nits |
| Screen-to-body ratio | 84.7% | 91.7% |
| HDR | — | Yes |
| Performance | ||
| Chipset | Qualcomm SM8150 Snapdragon 855+ | Exynos 990 - Global |
| Chip maker | Qualcomm | Qualcomm |
| Process | 7 nm | 7 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.96 GHz | 3 GHz |
| GPU | Adreno 640 | Mali-G77 MP11 - Global Adreno 650 - USA |
| AnTuTu score | — | 508,760 |
| Geekbench 6 (multi-core) | — | 2,603 |
| Memory | ||
| RAM | 8 GB | 12 GB |
| Storage (max) | 128 GB | 512 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.0 | UFS 3.0 |
| Memory card slot | No | Yes |
| Camera | ||
| Main camera | 64 MP | 108 MP |
| Main camera aperture | f/1.8 | f/1.8 |
| Main sensor size | 1/1.72" | 1/1.33" |
| Rear cameras | 3 | 3 |
| Optical stabilisation | No | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 2× | 5× |
| Max video | 4K | 8K |
| 4K video frame rate | 60 fps | 60 fps |
| Selfie camera | 16 MP | 10 MP |
| 4K selfie video | No | Yes |
| Battery | ||
| Battery capacity | 4,200 mAh | 4,500 mAh |
| Battery type | — | Li-Ion |
| Wired charging | 30 W | 25 W |
| Charged in 30 min | 55% | — |
| Wireless charging | No | Yes |
| Wireless charging power | — | 15 W |
| Reverse wireless charging | — | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 5 | Wi-Fi 6 |
| Bluetooth | 5 | 5 |
| NFC | No | Yes |
| USB | USB Type-C 2.0 | USB Type-C 3.2 |
| USB version | 2 | 3.2 |
| Ultra Wideband | — | Yes |
| Dual-band GPS | Yes | — |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS | GLONASS, GALILEO, BDS |
| Features | ||
| Stereo speakers | No | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | — | -27.8 LUFS |
| Fingerprint sensor | Side | Under display, ultrasonic |
| Barometer | — | Yes |
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| SAR (head) | — | 0.34 W/kg |
| Software | ||
| OS at launch | Android 10 | Android 10 |
| Platform | Android | Android |
| Interface | — | One UI 5 |









