Samsung Galaxy A15 5G vs Samsung Galaxy A40
Our Verdict: If you've got the Galaxy A15 5G, the Galaxy A40 is 25 years of updates on from it. The A15 5G leads on camera hardware with a 50MP main sensor to the A40's 16MP, and only the A15 5G is a 5G phone; the A40 maxes out at 4G. There's more battery in the A15 5G, 5000mAh to 3100mAh, which usually means longer between charges, and the A15 5G has the bigger screen at 6.5" against 5.9", while the A40 has the sharper one at 437 PPI. The A40 is the better phone; upgrade from the A15 5G if you want the newer hardware, or hold on if yours still does the job.
Prices updated 16 July 2026
Samsung Galaxy A15 5G
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Samsung Galaxy A40
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|---|---|---|
| Screen | 6.5" | 5.9" |
| Display | Super AMOLED | AMOLED |
| Resolution | 1080 x 2340 | 1080 x 2340 |
| Pixels Per Inch | 396 | 437 |
| Rear Camera | 50 Megapixels | 16 Megapixels |
| Front Camera | 13 Megapixels | 25 Megapixels |
| Chipset | Mediatek Dimensity 6100+ (6 nm) | Exynos 7885 |
| Battery | 5,000 mAh | 3,100 mAh |
| Storage | 128GB | 64GB |
| OS | Android 14 | Android |
| SIM Type | Nano SIM | Nano SIM |
| Connectivity | Up to 5G | Up to 4G |
| Wi-Fi | 802.11 a/b/g/n/ac | 802.11 a/b/g/n/ac |
| Bluetooth | 5.3 with A2DP, LE | 5.0 with A2DP, LE |
| Dimensions | 160.1 x 76.8 x 8.4 mm | 144.4 x 69.2 x 7.9 mm |
| Weight | 200 grams | 140 grams |
| Water Resistance | Not rated | IP68 - Dust and water resistant over 1.5 meter and 30 minutes |
| Contracts | - | - |
| SIM-free | £109.99 | - |
| Prices updated 16 July 2026 | ||
| Deals | Deals | |
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Frequently Asked Questions
Which has the better screen, the Samsung Galaxy A15 5G or Samsung Galaxy A40?
The Samsung Galaxy A15 5G has the bigger screen at 6.5" compared to the Samsung Galaxy A40's 5.9", the Samsung Galaxy A40 has the sharper display at 437 pixels per inch versus 396, and the Samsung Galaxy A15 5G uses a Super AMOLED panel while the Samsung Galaxy A40 has a AMOLED.
Which has the better camera, the Samsung Galaxy A15 5G or Samsung Galaxy A40?
The Samsung Galaxy A15 5G features a 50 Megapixels rear camera, while the Samsung Galaxy A40 has a 16 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.
What storage options are available for the Samsung Galaxy A15 5G and Samsung Galaxy A40?
The Samsung Galaxy A15 5G is available in 128GB, while the Samsung Galaxy A40 comes in 64GB.
What processors do the Samsung Galaxy A15 5G and Samsung Galaxy A40 use?
The Samsung Galaxy A15 5G is powered by the Mediatek Dimensity 6100+ (6 nm), while the Samsung Galaxy A40 uses the Exynos 7885.
Which is easier to carry and hold, the Samsung Galaxy A15 5G or Samsung Galaxy A40?
The Samsung Galaxy A40 is the more portable of the two: it's 60g lighter at 140 grams, it's also the more compact phone at 144.4 x 69.2 x 7.9 mm, and is slimmer at 7.9mm thick.
Which is more water resistant, the Samsung Galaxy A15 5G or Samsung Galaxy A40?
The Samsung Galaxy A15 5G is rated Not rated, while the Samsung Galaxy A40 is rated IP68 - Dust and water resistant over 1.5 meter and 30 minutes.
What operating system do the Samsung Galaxy A15 5G and Samsung Galaxy A40 run?
The Samsung Galaxy A15 5G runs Android 14 and the Samsung Galaxy A40 runs Android. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.