Samsung Galaxy A27 vs TCL 4042 S

Our Verdict: The decision tilts toward Samsung Galaxy A27 if you care most about the larger 6.7" screen and the sharper 385 PPI display. TCL 4042 S is the better match for buyers who would rather have a lighter 111g body. The cheapest listed contract favours TCL 4042 S. Samsung Galaxy A27 is the one to shortlist first for features, while TCL 4042 S deserves a look if its strengths match your habits.

Over a full contract, the 4042 S works out around £188 all-in, about £165 less than the A27.

Screen

6.7" 2.8"

Display

Super AMOLED QVGA

Resolution

1080 x 2340 240 x 320

Pixels Per Inch

385 143

Rear Camera

50 Megapixels N/A

Front Camera

12 Megapixels N/A

Chipset

Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm) UMS9117-L (T107)

Battery

5,000 mAh 1,500 mAh

Storage

128GB, 256GB

Android Mocor (RTOS)

SIM Type

nano-SIM and e-SIM Nano SIM

Connectivity

Up to 5G Up to 4G

Wi-Fi

802.11 a/b/g/n/ac -

Bluetooth

5.1, A2DP, LE, ASHA 5.0

Dimensions

162.8 x 78.2 x 7.8 mm 137.48 x 57.5 x 13.65 mm

Weight

200 grams 111 grams

Water Resistance

IP64 dust tight and water resistant (water splashes) Not rated

Contracts

£12.99/mo (£19.00 upfront) £7.50/mo (£0.00 upfront)

SIM-free

£229.00 -

Prices updated 25 July 2026

Deals Deals

	Samsung Galaxy A27	TCL 4042 S
Screen	6.7"	2.8"
Display	Super AMOLED	QVGA
Resolution	1080 x 2340	240 x 320
Pixels Per Inch	385	143
Rear Camera	50 Megapixels	N/A
Front Camera	12 Megapixels	N/A
Chipset	Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm)	UMS9117-L (T107)
Battery	5,000 mAh	1,500 mAh
Storage	128GB, 256GB
OS	Android	Mocor (RTOS)
SIM Type	nano-SIM and e-SIM	Nano SIM
Connectivity	Up to 5G	Up to 4G
Wi-Fi	802.11 a/b/g/n/ac	-
Bluetooth	5.1, A2DP, LE, ASHA	5.0
Dimensions	162.8 x 78.2 x 7.8 mm	137.48 x 57.5 x 13.65 mm
Weight	200 grams	111 grams
Water Resistance	IP64 dust tight and water resistant (water splashes)	Not rated
Contracts	£12.99/mo £19.00 upfront	£7.50/mo £0.00 upfront
SIM-free	£229.00	-
Prices updated 25 July 2026
	Deals	Deals

Cheapest Deals

Frequently Asked Questions

Is the Samsung Galaxy A27 or TCL 4042 S cheaper on contract?

Based on total cost of ownership, the TCL 4042 S is cheaper on contract at £188.16 over the life of the deal from £7.50 per month with £0.00 upfront.

Which has the better screen, the Samsung Galaxy A27 or TCL 4042 S?

The Samsung Galaxy A27 has the bigger screen at 6.7" compared to the TCL 4042 S's 2.8", the Samsung Galaxy A27 has the sharper display at 385 pixels per inch versus 143, and the Samsung Galaxy A27 uses a Super AMOLED panel while the TCL 4042 S has a QVGA.

Which has the better camera, the Samsung Galaxy A27 or TCL 4042 S?

The Samsung Galaxy A27 features a 50 Megapixels rear camera, while the TCL 4042 S has a N/A rear camera. Both devices also have front-facing cameras for selfies and video calls.

What processors do the Samsung Galaxy A27 and TCL 4042 S use?

The Samsung Galaxy A27 is powered by the Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm), while the TCL 4042 S uses the UMS9117-L (T107).

Which is easier to carry and hold, the Samsung Galaxy A27 or TCL 4042 S?

The TCL 4042 S is the more portable of the two: it's 89g lighter at 111 grams, it's also the more compact phone at 137.48 x 57.5 x 13.65 mm, the Samsung Galaxy A27 is slimmer at 7.8mm thick.

Which is more water resistant, the Samsung Galaxy A27 or TCL 4042 S?

The Samsung Galaxy A27 is rated IP64 dust tight and water resistant (water splashes), while the TCL 4042 S is rated Not rated.

What operating system do the Samsung Galaxy A27 and TCL 4042 S run?

The Samsung Galaxy A27 runs Android and the TCL 4042 S runs Mocor (RTOS). This is one of the biggest factors when choosing between the two, as each ecosystem has its own apps, services and features.