Samsung Galaxy A51 vs Samsung Galaxy A55

Our verdict: If you care about a crisp screen, the Samsung Galaxy A51 wins at 405 PPI. For photography, the Samsung Galaxy A55 leads with a 50MP main camera. Portability goes to the Samsung Galaxy A51 at 172g. Only the Samsung Galaxy A55 carries an IP67 water-resistance rating — the Samsung Galaxy A51 isn't rated.

Expert Rating
3.7
19 reviews
4.0
10 reviews
Screen
6.5" 6.6"
Display
Super AMOLED Super AMOLED
Resolution
1080 x 2400 1080 x 2340
Pixels Per Inch
405 390
Rear Camera
48 Megapixels 50 Megapixels
Front Camera
32 Megapixels 32 Megapixels
Chipset
Exynos 9611 Exynos 1480
Storage
64GB, 128GB 128GB, 256GB
OS
Android Android 14
SIM Type
Nano SIM nano-SIM and e-SIM
Connectivity
Up to 4G Up to 5G
Wi-Fi
802.11 a/b/g/n/ac 802.11 a/b/g/n/ac/6
Bluetooth
5.0 with A2DP, LE 5.3 with A2DP, LE
Dimensions
158.5 x 73.6 x 7.9 mm 161.1 x 77.4 x 8.2 mm
Weight
172 grams 213 grams
Water Resistance
Not rated IP67 dust/water resistant (up to 1m for 30 min)
Contracts
SIM-free
£159.99 £199.99
Samsung Galaxy A51 Samsung Galaxy A51 Samsung Galaxy A55 Samsung Galaxy A55
Expert Rating 3.7
19 reviews
4.0
10 reviews
Screen 6.5" 6.6"
Display Super AMOLED Super AMOLED
Resolution 1080 x 2400 1080 x 2340
Pixels Per Inch 405 390
Rear Camera 48 Megapixels 50 Megapixels
Front Camera 32 Megapixels 32 Megapixels
Chipset Exynos 9611 Exynos 1480
Storage 64GB, 128GB 128GB, 256GB
OS Android Android 14
SIM Type Nano SIM nano-SIM and e-SIM
Connectivity Up to 4G Up to 5G
Wi-Fi 802.11 a/b/g/n/ac 802.11 a/b/g/n/ac/6
Bluetooth 5.0 with A2DP, LE 5.3 with A2DP, LE
Dimensions 158.5 x 73.6 x 7.9 mm 161.1 x 77.4 x 8.2 mm
Weight 172 grams 213 grams
Water Resistance Not rated IP67 dust/water resistant (up to 1m for 30 min)
Contracts
SIM-free £159.99 £199.99
Deals Deals

Frequently Asked Questions

Which has the better screen, the Samsung Galaxy A51 or Samsung Galaxy A55?

Both phones have a similar screen size at around 6.5", the Samsung Galaxy A51 has the sharper display at 405 pixels per inch versus 390, and both use Super AMOLED panels.

Which has the better camera, the Samsung Galaxy A51 or Samsung Galaxy A55?

The Samsung Galaxy A51 features a 48 Megapixels rear camera, while the Samsung Galaxy A55 has a 50 Megapixels rear camera. Both devices also have front-facing cameras for selfies and video calls.

Which is cheaper to buy SIM-free, the Samsung Galaxy A51 or Samsung Galaxy A55?

The Samsung Galaxy A51 is cheaper SIM-free, starting from £159.99.

What storage options are available for the Samsung Galaxy A51 and Samsung Galaxy A55?

The Samsung Galaxy A51 is available in 64GB, 128GB, while the Samsung Galaxy A55 comes in 128GB, 256GB.

What processors do the Samsung Galaxy A51 and Samsung Galaxy A55 use?

The Samsung Galaxy A51 is powered by the Exynos 9611, while the Samsung Galaxy A55 uses the Exynos 1480.

Which is easier to carry and hold, the Samsung Galaxy A51 or Samsung Galaxy A55?

The Samsung Galaxy A51 is the more portable of the two — it's 41g lighter at 172 grams, it's also the more compact phone at 158.5 x 73.6 x 7.9 mm.

Which is more water resistant, the Samsung Galaxy A51 or Samsung Galaxy A55?

The Samsung Galaxy A51 is rated Not rated, while the Samsung Galaxy A55 is rated IP67 dust/water resistant (up to 1m for 30 min).

What operating system do the Samsung Galaxy A51 and Samsung Galaxy A55 run?

The Samsung Galaxy A51 runs Android and the Samsung Galaxy A55 runs Android 14. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.