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- K9 vs Galaxy A40
LG K9 vs Samsung Galaxy A40
What K9 does better (0) and where Galaxy A40 wins (19) — every spec side by side.
vs
3.5Display5.4
2.4Camera5.7
2.2Battery2.5
2.4Features5.0
Dimensions
Size comparison
K9Galaxy A40
| K9 | Galaxy A40 | Difference | |
|---|---|---|---|
| Height | 146.3 mm | 144.4 mm | +1.9 mm |
| Width | 73.2 mm | 69.2 mm | +4 mm |
| Thickness | 8.2 mm | 7.9 mm | +0.3 mm |
| Weight | 148 g | 140 g | +8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is K9 better than Galaxy A40?
K9 has no measurable advantages in this pair.
Why is Galaxy A40 better than K9?
- RAM2 GB vs 4 GB2×
- Main camera8 MP vs 16 MP2×
- Storage (max)16 GB vs 64 GB4×
- Battery capacity2,500 mAh vs 3,100 mAh+24%
- OLED panelNo · K9: Yes
- NFCNo · K9: Yes
- Pixel density294 ppi vs 439 ppi+49%
- Storage (base)16 GB vs 64 GB4×
- Selfie camera5 MP vs 25 MP5×
- CPU frequency1.3 GHz vs 1.8 GHz+38%
- CPU cores4 vs 82×
- Rear cameras1 vs 22×
Specifications
Side by side
| Design | ||
| Weight | 148 g | 140 g |
| Thickness | 8.2 mm | 7.9 mm |
| Height | 146.3 mm | 144.4 mm |
| Width | 73.2 mm | 69.2 mm |
| Frame | — | Plastic |
| Back | — | Plastic |
| Glass protection | — | Corning Gorilla Glass 3 |
| Colours | — | White, Black, Blue |
| Display | ||
| Screen size | 5″ | 5.9″ |
| Panel | IPS | AMOLED |
| OLED panel | No | Yes |
| Resolution (width) | 720 px | 1,080 px |
| Resolution (height) | 1,280 px | 2,340 px |
| Pixel density | 294 ppi | 439 ppi |
| Refresh rate | — | 60 Hz |
| Peak brightness | — | 548 nits |
| Measured brightness | — | 544 nits |
| Screen-to-body ratio | — | 85.5% |
| Performance | ||
| Chipset | Qualcomm Snapdragon 210 | Samsung Exynos 7904 |
| Chip maker | Qualcomm | Samsung |
| Process | — | 14 nm |
| CPU cores | 4 | 8 |
| CPU frequency | 1.3 GHz | 1.8 GHz |
| GPU | Adreno 304 | Mali G71 MP2 |
| AnTuTu score | — | 208,315 |
| Geekbench 6 (multi-core) | — | 1,530 |
| Memory | ||
| RAM | 2 GB | 4 GB |
| Storage (max) | 16 GB | 64 GB |
| Storage (base) | 16 GB | 64 GB |
| Storage type | — | eMMC 5.1 |
| Memory card slot | Yes | Yes |
| Camera | ||
| Main camera | 8 MP | 16 MP |
| Main camera aperture | — | f/1.7 |
| Rear cameras | 1 | 2 |
| Optical stabilisation | No | No |
| Ultra-wide camera | No | No |
| Telephoto camera | No | No |
| Max video | — | 4K |
| 4K video frame rate | — | 30 fps |
| Selfie camera | 5 MP | 25 MP |
| 4K selfie video | — | No |
| Battery | ||
| Battery capacity | 2,500 mAh | 3,100 mAh |
| Battery type | — | Li-Ion |
| Wired charging | — | 15 W |
| Charged in 30 min | — | 38% |
| Wireless charging | No | No |
| Connectivity | ||
| 5G | No | No |
| eSIM | No | No |
| Dual SIM | No | Yes |
| Wi-Fi standard | Wi-Fi 4 | Wi-Fi 5 |
| Bluetooth | 4.2 | 5 |
| NFC | No | Yes |
| USB | — | USB Type-C |
| USB version | 2 | 2 |
| Satellite navigation | GPS | GPS, GLONASS, BDS |
| Features | ||
| Stereo speakers | No | No |
| 3.5 mm headphone jack | — | Yes |
| Fingerprint sensor | — | Rear |
| Sensors | proximity, accelerometer, light | proximity, accelerometer, compass, fingerprint |
| SAR (head) | — | 0.49 W/kg |
| Software | ||
| OS at launch | Android 7.1 Nougat | Android 9.0 |
| Platform | Android | Android |
| Interface | — | One UI |




