Samsung Galaxy S20 4G vs Samsung Galaxy S26

Our Verdict: The main spec advantages over Samsung Galaxy S20 4G sit with Samsung Galaxy S26: Samsung Galaxy S26 gives you the larger screen at 6.3" versus 6.2"; Samsung Galaxy S26 has the higher-resolution selfie camera at 12 Megapixels versus 10 Megapixels; Samsung Galaxy S26 lists the larger battery at 4,300 mAh versus 4,000 mAh. Samsung Galaxy S20 4G is not without practical strengths: Samsung Galaxy S20 4G has the sharper display at 566 PPI versus 409; Samsung Galaxy S20 4G has the higher-resolution rear camera at 64 Megapixels versus 50 Megapixels. Samsung Galaxy S26 is the better fit for spec-led buyers, while Samsung Galaxy S20 4G is the more cautious spend.

Buying outright, the S20 4G starts at £175 SIM-free.

Screen
6.2" 6.3"
Display
AMOLED Dynamic LTPO AMOLED 2X
Resolution
1440 x 3200 1080 x 2340
Pixels Per Inch
566 409
Rear Camera
64 Megapixels 50 Megapixels
Front Camera
10 Megapixels 12 Megapixels
Chipset
Exynos 990 Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Battery
4,000 mAh 4,300 mAh
Storage
128GB 256GB, 512GB
OS
Android Android 16
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/ax 802.11 a/b/g/n/ac/6e/7
Bluetooth
5.0 with A2DP, LE, apt-X 5.4, A2DP, LE
Dimensions
152 x 68 x 7.9 mm 149.6 x 71.7 x 7.2 mm
Weight
164 grams 167 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
- £26.29/mo (£29.00 upfront)
SIM-free
£174.99 £569.00

Prices updated 27 July 2026

Samsung Galaxy S20 4G Samsung Galaxy S20 4G Samsung Galaxy S26 Samsung Galaxy S26
Screen 6.2" 6.3"
Display AMOLED Dynamic LTPO AMOLED 2X
Resolution 1440 x 3200 1080 x 2340
Pixels Per Inch 566 409
Rear Camera 64 Megapixels 50 Megapixels
Front Camera 10 Megapixels 12 Megapixels
Chipset Exynos 990 Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Battery 4,000 mAh 4,300 mAh
Storage 128GB 256GB, 512GB
OS Android Android 16
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/ax 802.11 a/b/g/n/ac/6e/7
Bluetooth 5.0 with A2DP, LE, apt-X 5.4, A2DP, LE
Dimensions 152 x 68 x 7.9 mm 149.6 x 71.7 x 7.2 mm
Weight 164 grams 167 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 - £26.29/mo
£29.00 upfront
SIM-free £174.99 £569.00
Prices updated 27 July 2026
Deals Deals

Cheapest Deals

Samsung Galaxy S20 4G
Samsung Galaxy S20 4G

128GB

Pink

Refurbished

From £174.99

Samsung Galaxy S26
Samsung Galaxy S26

24 Months

256GB

Sky Blue

10GB

Data

Unlimited

Unlimited

£26.29 per month, £29 upfront.

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Frequently Asked Questions

Which has the better screen, the Samsung Galaxy S20 4G or Samsung Galaxy S26?

Both phones have a similar screen size at around 6.2", the Samsung Galaxy S20 4G has the sharper display at 566 pixels per inch versus 409, and the Samsung Galaxy S20 4G uses a AMOLED panel while the Samsung Galaxy S26 has a Dynamic LTPO AMOLED 2X.

Which has the better camera, the Samsung Galaxy S20 4G or Samsung Galaxy S26?

The Samsung Galaxy S20 4G features a 64 Megapixels rear camera, while the Samsung Galaxy S26 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 4G or Samsung Galaxy S26?

The Samsung Galaxy S20 4G is cheaper SIM-free, starting from £174.99.

What storage options are available for the Samsung Galaxy S20 4G and Samsung Galaxy S26?

The Samsung Galaxy S20 4G is available in 128GB, while the Samsung Galaxy S26 comes in 256GB, 512GB.

What processors do the Samsung Galaxy S20 4G and Samsung Galaxy S26 use?

The Samsung Galaxy S20 4G is powered by the Exynos 990, while the Samsung Galaxy S26 uses the Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm).

Which is easier to carry and hold, the Samsung Galaxy S20 4G or Samsung Galaxy S26?

The Samsung Galaxy S20 4G is the more portable of the two: it's 3g lighter at 164 grams, it's also the more compact phone at 152 x 68 x 7.9 mm, the Samsung Galaxy S26 is slimmer at 7.2mm thick.

Which is more water resistant, the Samsung Galaxy S20 4G or Samsung Galaxy S26?

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 4G and Samsung Galaxy S26 run?

The Samsung Galaxy S20 4G runs Android and the Samsung Galaxy S26 runs Android 16. This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.