Realme X2 vs Samsung Galaxy M31s
A spec-by-spec comparison of the Realme X2 and the Samsung Galaxy M31s, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Our rating | 8/10 | 7/10 |
| Battery | 4,000 mAh | 6,000 mAh |
| Wired charging | 30W | 25W |
| RAM (max) | 8 GB | 8 GB |
| Storage (max) | 256 GB | 128 GB |
| Screen size | 6.4 in | 6.5 in |
| Main camera | 64 MP | 64 MP |
| Weight (lower is lighter) | 182 g | 203 g |
| Released | Sep 2019 | Aug 2020 |
Summary: Realme X2 is ahead on our rating, wired charging, storage (max), weight (lower is lighter). Samsung Galaxy M31s is ahead on battery, screen size.
★ Which should you buy? Realme X2 is the stronger overall pick on the measured specs.
Display
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Type | Super AMOLED, 430 nits (typ) | Super AMOLED, Infinity-O Display |
| Size | 6.4 inches, 100.5 cm2 (~84.3% screen-to-body ratio) | 6.5 inches |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | 1080 x 2400 pixels (FHD+), 20:9 ratio, ~404 ppi density |
| Protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 3 |
| Features | Low-Brightness Flicker-Free Eye Care | — |
| Brightness | — | 420 nits (peak) |
| Refresh Rate | — | 60Hz |
Platform
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| OS | Android 9.0 (Pie), upgradable to Android 10, Realme UI | Android 10, upgradable to Android 12, One UI 4.1 |
| Chipset | Qualcomm SDM730 Snapdragon 730G (8 nm) | Exynos 9611 (10nm) |
| CPU | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) |
| GPU | Adreno 618 | Mali-G72 MP3 |
Memory
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Card slot | microSDXC (dedicated slot, up to 256GB external memory) | microSDXC (dedicated slot) |
| Internal | 64GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM (UFS 2.1) | 128GB 6GB RAM, 128GB 8GB RAM |
Main Camera
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Quad | 64 MP, f/1.8, (wide), 1/1.72", 0.8µm, PDAF (Samsung GW1 Sensor); 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm; 2 MP, f/2.4, (macro); 2 MP, f/2.4, (depth) | 64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF (Sony IMX682 sensor) 12 MP, f/2.2, 123˚ (ultrawide) 5 MP, f/2.4, (macro) 5 MP, f/2.4, (depth) |
| Features | LED flash, HDR, panorama | LED flash, panorama, HDR, Single Take mode |
| Video | 4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS | 4K@30fps, 1080p@30fps |
Selfie Camera
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Single | 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm | 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm |
| Features | HDR, panorama | HDR |
| Video | 1080p@30fps | 4K@30fps, 1080p@30fps |
Battery
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Type | Li-Po 4000 mAh, non-removable | Li-Po 6000 mAh, non-removable |
| Charging | 30W wired, VOOC Flash Charge 4.0 (100% in 75 min - estimated) | 25W wired, reverse wired |
Body
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Dimensions | 158.7 x 75.2 x 8.6 mm | 9.3 mm thickness |
| Weight | 182 g | 203 g |
| Build | Glass front (Gorilla Glass 5), glass back, plastic frame | Glass front (Gorilla Glass 3), 'Glasstic' back (plastic with glass-like finish) |
| SIM | — | Dual SIM (Nano-SIM, dual stand-by) |
Comms
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes (market/region dependent) | Yes (region dependent) |
| Radio | FM radio | FM radio, RDS, recording |
| USB | USB Type-C 2.0, OTG | USB Type-C 2.0, OTG |
Launch
| Realme X2 | Samsung Galaxy M31s | |
|---|---|---|
| Announced | September 2019 | July 30, 2020 |
| Status | Available. Released 2019, September | Released August 6, 2020 |
Frequently asked questions
Which has the better battery, Realme X2 or Samsung Galaxy M31s?
Samsung Galaxy M31s — 4,000 mAh for the Realme X2 versus 6,000 mAh for the Samsung Galaxy M31s.
Which is lighter, Realme X2 or Samsung Galaxy M31s?
Realme X2 — 182 g for the Realme X2 versus 203 g for the Samsung Galaxy M31s.
Which is newer, Realme X2 or Samsung Galaxy M31s?
Samsung Galaxy M31s — Sep 2019 for the Realme X2 versus Aug 2020 for the Samsung Galaxy M31s.
Is the Realme X2 or the Samsung Galaxy M31s rated higher?
We rate the Realme X2 8/10 and the Samsung Galaxy M31s 7/10.