Samsung Galaxy S20 5G vs Samsung Galaxy S25

Our Verdict: The clearest split between Samsung Galaxy S20 5G and Samsung Galaxy S25 is display quality against storage. For the S20 5G, that means a sharper 566 PPI display, its AMOLED panel, and a higher-resolution 64MP rear camera. The S25 is easier to recommend for its Dynamic LTPO AMOLED 2X panel and 128GB to 512GB storage. Go with the S20 5G for display quality; lean toward the S25 if storage is higher on your list.

Buying outright, the S20 5G starts at £165 SIM-free.

Expert Rating
4.2
12 reviews
4.1
11 reviews
Screen
6.2" 6.2"
Display
AMOLED Dynamic LTPO AMOLED 2X
Resolution
1440 x 3200 1080 x 2340
Pixels Per Inch
566 416
Rear Camera
64 Megapixels 50 Megapixels
Front Camera
10 Megapixels 12 Megapixels
Chipset
Exynos 990 Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Battery
4,000 mAh 4,000 mAh
Storage
128GB 128GB, 256GB, 512GB
OS
Android Android 15
SIM Type
Nano SIM nano-SIM and e-SIM
Connectivity
Up to 5G Up to 5G
Wi-Fi
802.11 a/b/g/n/ac/ax 802.11 a/b/g/n/ac/6e
Bluetooth
5.0 with A2DP, LE, apt-X 5.4, A2DP, LE
Dimensions
152 x 68 x 7.9 mm 146.9 x 70.4 x 7.2 mm
Weight
164 grams 162 grams
Water Resistance
IP68 - Dust and water resistant over 1.5 meter and 30 minutes IP68 - Dust and water resistant over 1.5 meter and 30 minutes
Contracts
- £24.99/mo (£19.00 upfront)
SIM-free
£164.99 £409.99
Samsung Galaxy S20 5G Samsung Galaxy S20 5G Samsung Galaxy S25 Samsung Galaxy S25
Expert Rating 4.2
12 reviews
4.1
11 reviews
Screen 6.2" 6.2"
Display AMOLED Dynamic LTPO AMOLED 2X
Resolution 1440 x 3200 1080 x 2340
Pixels Per Inch 566 416
Rear Camera 64 Megapixels 50 Megapixels
Front Camera 10 Megapixels 12 Megapixels
Chipset Exynos 990 Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
Battery 4,000 mAh 4,000 mAh
Storage 128GB 128GB, 256GB, 512GB
OS Android Android 15
SIM Type Nano SIM nano-SIM and e-SIM
Connectivity Up to 5G Up to 5G
Wi-Fi 802.11 a/b/g/n/ac/ax 802.11 a/b/g/n/ac/6e
Bluetooth 5.0 with A2DP, LE, apt-X 5.4, A2DP, LE
Dimensions 152 x 68 x 7.9 mm 146.9 x 70.4 x 7.2 mm
Weight 164 grams 162 grams
Water Resistance IP68 - Dust and water resistant over 1.5 meter and 30 minutes IP68 - Dust and water resistant over 1.5 meter and 30 minutes
Contracts - £24.99/mo
£19.00 upfront
SIM-free £164.99 £409.99
Deals Deals

Cheapest Deals

Samsung Galaxy S20 5G
Samsung Galaxy S20 5G

128GB

Pink

Refurbished

From £164.99

Samsung Galaxy S25
Samsung Galaxy S25

24 Months

128GB

Blueblack

Refurbished

200GB

Data

Unlimited

Unlimited

£24.99 per month, £19 upfront.

Use code: SUMMER10 (£10 off)

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Frequently Asked Questions

Which has the better screen, the Samsung Galaxy S20 5G or Samsung Galaxy S25?

Both phones have a similar screen size at around 6.2", the Samsung Galaxy S20 5G has the sharper display at 566 pixels per inch versus 416, and the Samsung Galaxy S20 5G uses a AMOLED panel while the Samsung Galaxy S25 has a Dynamic LTPO AMOLED 2X.

Which has the better camera, the Samsung Galaxy S20 5G or Samsung Galaxy S25?

The Samsung Galaxy S20 5G features a 64 Megapixels rear camera, while the Samsung Galaxy S25 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 S20 5G or Samsung Galaxy S25?

The Samsung Galaxy S20 5G is cheaper SIM-free, starting from £164.99.

What storage options are available for the Samsung Galaxy S20 5G and Samsung Galaxy S25?

The Samsung Galaxy S20 5G is available in 128GB, while the Samsung Galaxy S25 comes in 128GB, 256GB, 512GB.

What processors do the Samsung Galaxy S20 5G and Samsung Galaxy S25 use?

The Samsung Galaxy S20 5G is powered by the Exynos 990, while the Samsung Galaxy S25 uses the Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm).

Which is easier to carry and hold, the Samsung Galaxy S20 5G or Samsung Galaxy S25?

The Samsung Galaxy S20 5G is the more portable of the two: they weigh about the same (164 grams vs 162 grams), it's also the more compact phone at 152 x 68 x 7.9 mm, the Samsung Galaxy S25 is slimmer at 7.2mm thick.

Which is more water resistant, the Samsung Galaxy S20 5G or Samsung Galaxy S25?

Both phones share the same water resistance rating of IP68 - Dust and water resistant over 1.5 meter and 30 minutes.

What operating system do the Samsung Galaxy S20 5G and Samsung Galaxy S25 run?

The Samsung Galaxy S20 5G runs Android and the Samsung Galaxy S25 runs Android 15. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.