Motorola Moto G15 vs TCL 4042 S

Our Verdict: The main spec advantages over TCL 4042 S sit with Motorola Moto G15: Motorola Moto G15 gives you the larger screen at 6.72" versus 2.8"; Motorola Moto G15 has the sharper display at 392 PPI versus 143; Motorola Moto G15 lists the larger battery at 5,200 mAh versus 1,500 mAh. TCL 4042 S still has a useful counterpoint: TCL 4042 S is lighter at 111 grams versus 203 grams. Software is also a real split, with Motorola Moto G15 on Android and TCL 4042 S on Mocor (RTOS). Choose Motorola Moto G15 for the stronger feature mix; choose TCL 4042 S if the lower current cost matters more.

Over a full contract, the 4042 S works out around £188 all-in, about £69 less than the Moto G 15.

Screen
6.72" 2.8"
Display
IPS LCD QVGA
Resolution
1080 x 2400 240 x 320
Pixels Per Inch
392 143
Rear Camera
50 Megapixels N/A
Front Camera
8 Megapixels N/A
Chipset
Mediatek Helio G81 Extreme (12 nm) UMS9117-L (T107)
Battery
5,200 mAh 1,500 mAh
Storage
128GB
OS
Android Mocor (RTOS)
SIM Type
Nano SIM Nano SIM
Connectivity
Up to 4G Up to 4G
Wi-Fi
802.11 a/b/g/n/ac -
Bluetooth
5.0, A2DP, LE 5.0
Dimensions
165.7 x 76 x 8.8 mm 137.48 x 57.5 x 13.65 mm
Weight
203 grams 111 grams
Water Resistance
IP54, dust and splash resistant Not rated
Contracts
£8.99/mo (£9.00 upfront) £7.50/mo (£0.00 upfront)
SIM-free
£97.00 -

Prices updated 25 July 2026

Motorola Moto G15 Motorola Moto G15 TCL 4042 S TCL 4042 S
Screen 6.72" 2.8"
Display IPS LCD QVGA
Resolution 1080 x 2400 240 x 320
Pixels Per Inch 392 143
Rear Camera 50 Megapixels N/A
Front Camera 8 Megapixels N/A
Chipset Mediatek Helio G81 Extreme (12 nm) UMS9117-L (T107)
Battery 5,200 mAh 1,500 mAh
Storage 128GB
OS Android Mocor (RTOS)
SIM Type Nano SIM Nano SIM
Connectivity Up to 4G Up to 4G
Wi-Fi 802.11 a/b/g/n/ac -
Bluetooth 5.0, A2DP, LE 5.0
Dimensions 165.7 x 76 x 8.8 mm 137.48 x 57.5 x 13.65 mm
Weight 203 grams 111 grams
Water Resistance IP54, dust and splash resistant Not rated
Contracts £8.99/mo
£9.00 upfront
£7.50/mo
£0.00 upfront
SIM-free £97.00 -
Prices updated 25 July 2026
Deals Deals

Cheapest Deals

Motorola Moto G15
Motorola Moto G15

24 Months

128GB

Tornedo

25GB

Data

£8.99 per month, £9 upfront.

TCL 4042 S
TCL 4042 S

24 Months

128MB

Dark Night Grey

0.5GB

Data

£7.50 per month, with FREE phone.

Frequently Asked Questions

Is the Motorola Moto G15 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 Motorola Moto G15 or TCL 4042 S?

The Motorola Moto G15 has the bigger screen at 6.7" compared to the TCL 4042 S's 2.8", the Motorola Moto G15 has the sharper display at 392 pixels per inch versus 143, and the Motorola Moto G15 uses a IPS LCD panel while the TCL 4042 S has a QVGA.

Which has the better camera, the Motorola Moto G15 or TCL 4042 S?

The Motorola Moto G15 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 Motorola Moto G15 and TCL 4042 S use?

The Motorola Moto G15 is powered by the Mediatek Helio G81 Extreme (12 nm), while the TCL 4042 S uses the UMS9117-L (T107).

Which is easier to carry and hold, the Motorola Moto G15 or TCL 4042 S?

The TCL 4042 S is the more portable of the two: it's 92g lighter at 111 grams, it's also the more compact phone at 137.48 x 57.5 x 13.65 mm, the Motorola Moto G15 is slimmer at 8.8mm thick.

Which is more water resistant, the Motorola Moto G15 or TCL 4042 S?

The Motorola Moto G15 is rated IP54, dust and splash resistant, while the TCL 4042 S is rated Not rated.

What operating system do the Motorola Moto G15 and TCL 4042 S run?

The Motorola Moto G15 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.