Samsung Galaxy A15 5G vs Samsung Galaxy A51

Our Verdict: Samsung Galaxy A51 and Samsung Galaxy A15 5G suit different priorities. The A51 is stronger for portability, helped by a higher-resolution 32MP front camera and a lighter 187g body, while the A15 5G is better suited to a larger 5,000 mAh battery. A bigger mAh figure is useful context, but real battery life still depends on software and chipset efficiency. Choose the A51 for portability; choose the A15 5G if battery size matters more.
Samsung Galaxy A15 5G Samsung Galaxy A15 5G vs Samsung Galaxy A51 Samsung Galaxy A51
Expert Rating
4.0
8 reviews 3.7
19 reviews
Screen
6.5" 6.5"
Display
Super AMOLED Super AMOLED
Resolution
1080 x 2340 1080 x 2400
Pixels Per Inch
396 405
Rear Camera
50 Megapixels 48 Megapixels
Front Camera
13 Megapixels 32 Megapixels
Chipset
Mediatek Dimensity 6100+ (6 nm) Exynos 9611
Battery
5,000 mAh 4,000 mAh
Storage
128GB 64GB, 128GB
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 158.5 x 73.6 x 7.9 mm
Weight
200 grams 172 grams
Water Resistance
Not rated Not rated
Contracts
- -
SIM-free
- £139.99
Deals Deals
Samsung Galaxy A15 5G Samsung Galaxy A15 5G Samsung Galaxy A51 Samsung Galaxy A51
Expert Rating 4.0
8 reviews		 3.7
19 reviews
Screen 6.5" 6.5"
Display Super AMOLED Super AMOLED
Resolution 1080 x 2340 1080 x 2400
Pixels Per Inch 396 405
Rear Camera 50 Megapixels 48 Megapixels
Front Camera 13 Megapixels 32 Megapixels
Chipset Mediatek Dimensity 6100+ (6 nm) Exynos 9611
Battery 5,000 mAh 4,000 mAh
Storage 128GB 64GB, 128GB
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 158.5 x 73.6 x 7.9 mm
Weight 200 grams 172 grams
Water Resistance Not rated Not rated
Contracts - -
SIM-free - £139.99
Deals Deals

Cheapest Deals

Samsung Galaxy A51
Samsung Galaxy A51

128GB

Black

Refurbished

From £139.99

Frequently Asked Questions

Which has the better screen, the Samsung Galaxy A15 5G or Samsung Galaxy A51?

Both phones have a similar screen size at around 6.5", both screens are similarly sharp at around 396 pixels per inch, and both use Super AMOLED panels.

Which has the better camera, the Samsung Galaxy A15 5G or Samsung Galaxy A51?

The Samsung Galaxy A15 5G features a 50 Megapixels rear camera, while the Samsung Galaxy A51 has a 48 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 A51?

The Samsung Galaxy A15 5G is available in 128GB, while the Samsung Galaxy A51 comes in 64GB, 128GB.

What processors do the Samsung Galaxy A15 5G and Samsung Galaxy A51 use?

The Samsung Galaxy A15 5G is powered by the Mediatek Dimensity 6100+ (6 nm), while the Samsung Galaxy A51 uses the Exynos 9611.

Which is easier to carry and hold, the Samsung Galaxy A15 5G or Samsung Galaxy A51?

The Samsung Galaxy A51 is the more portable of the two: it's 28g lighter at 172 grams, it's also the more compact phone at 158.5 x 73.6 x 7.9 mm, and is slimmer at 7.9mm thick.

Which is more water resistant, the Samsung Galaxy A15 5G or Samsung Galaxy A51?

Both phones share the same water resistance rating of Not rated.

What operating system do the Samsung Galaxy A15 5G and Samsung Galaxy A51 run?

The Samsung Galaxy A15 5G runs Android 14 and the Samsung Galaxy A51 runs Android. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.