- android.gs
- Compare
- Zenfone 8 vs Redmi K40 Gaming
Asus Zenfone 8 vs Xiaomi Redmi K40 Gaming
What Zenfone 8 does better (12) and where Redmi K40 Gaming wins (8) — every spec side by side.
vs
7.5Display7.2
9.2Camera7.2
3.0Battery8.0
9.1Features6.9
Dimensions
Size comparison
Zenfone 8Redmi K40 Gaming
| Zenfone 8 | Redmi K40 Gaming | Difference | |
|---|---|---|---|
| Height | 148 mm | 161.9 mm | −13.9 mm |
| Width | 68.5 mm | 76.9 mm | −8.4 mm |
| Thickness | 8.9 mm | 8.3 mm | +0.6 mm |
| Weight | 169 g | 205 g | −36 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Zenfone 8 better than Redmi K40 Gaming?
- Water resistance (IPx)IPx8 vs IPx32.7×
- Peak brightness1,100 nits vs 500 nits2.2×
- Optical stabilisationYes · Redmi K40 Gaming: No
- RAM16 GB vs 12 GB+33%
- 4K video frame rate120 fps vs 30 fps4×
- Weight169 g vs 205 g+21%
- Max video8K vs 4K
- 4K selfie videoYes · Redmi K40 Gaming: No
- 3.5 mm headphone jackYes · Redmi K40 Gaming: No
- Pixel density446 ppi vs 395 ppi+13%
- Process5 nm vs 6 nm+20%
- Wi-Fi standardWi-Fi 6E vs Wi-Fi 6+8%
Why is Redmi K40 Gaming better than Zenfone 8?
- Wired charging30 W vs 67 W2.2×
- Battery capacity4,000 mAh vs 5,065 mAh+27%
- Screen size5.9″ vs 6.7″+13%
- CPU frequency2.84 GHz vs 3 GHz+6%
- Selfie camera12 MP vs 16 MP+33%
- Thickness8.9 mm vs 8.3 mm+7%
- Main camera aperturef/1.8 vs f/1.7+6%
- Screen-to-body ratio82.9% vs 86.3%+4%
Specifications
Side by side
| Design | ||
| Weight | 169 g | 205 g |
| Thickness | 8.9 mm | 8.3 mm |
| Height | 148 mm | 161.9 mm |
| Width | 68.5 mm | 76.9 mm |
| Frame | Aluminium | — |
| Back | Glass | Glass |
| Ingress protection | IP68 | IP53 |
| Water resistance (IPx) | IPx8 | IPx3 |
| Glass protection | Corning Gorilla Glass Victus | Corning Gorilla Glass 5 |
| Colours | Obsidian Black, Horizon Silver | Black, Gray, Silver, Bruce Lee Yellow |
| Display | ||
| Screen size | 5.9″ | 6.7″ |
| Panel | Super AMOLED | OLED |
| OLED panel | Yes | Yes |
| Resolution (width) | 1,080 px | 1,080 px |
| Resolution (height) | 2,400 px | 2,400 px |
| Pixel density | 446 ppi | 395 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 500 nits |
| Measured brightness | 800 nits | — |
| Screen-to-body ratio | 82.9% | 86.3% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8350 Snapdragon 888 5G | Mediatek Dimensity 1200 |
| Chip maker | Qualcomm | MediaTek |
| Process | 5 nm | 6 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 2.84 GHz | 3 GHz |
| GPU | Adreno 660 | Mali-G77 MC9 |
| AnTuTu score | 676,001 | — |
| Geekbench 6 (multi-core) | 3,604 | — |
| Memory | ||
| RAM | 16 GB | 12 GB |
| Storage (max) | 256 GB | 256 GB |
| Storage (base) | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 64 MP | 64 MP |
| Main camera aperture | f/1.8 | f/1.7 |
| Main sensor size | 1/1.73" | 1/2.0" |
| Rear cameras | 2 | 2 |
| Optical stabilisation | Yes | No |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | No | No |
| Max video | 8K | 4K |
| 4K video frame rate | 120 fps | 30 fps |
| Selfie camera | 12 MP | 16 MP |
| 4K selfie video | Yes | No |
| Battery | ||
| Battery capacity | 4,000 mAh | 5,065 mAh |
| Battery type | Li-Po | Li-Po |
| Wired charging | 30 W | 67 W |
| Charged in 30 min | 72% | 71% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | No | No |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 6E | Wi-Fi 6 |
| Bluetooth | 5.2 | 5.2 |
| NFC | Yes | Yes |
| USB | USB Type-C 2.0 | USB Type-C 2.0 |
| USB version | 2 | 2 |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS, NavIC | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | Yes | No |
| Loudspeaker loudness | -27.9 LUFS | — |
| Fingerprint sensor | Under display | Side |
| Barometer | — | Yes |
| Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass | Fingerprint (side-mounted), accelerometer, gyro, compass, barometer |
| Software | ||
| OS at launch | Android 11 | Android 11 |
| Platform | Android | Android |
| Interface | Zen UI 8 | MIUI 12.5 |
