BLU G51S vs TCL 20S

BLU G51S

TCL 20S

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900
3G network

HSDPA 850, 900, 1700(AWS), 1900, 2100

HSDPA 850, 900, 1700(AWS), 1900, 2100
4G network

LTE frequency band 1, 2, 3, 4, 5, 7, 12, 17, 28

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 38, 40, 41, 66
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE, 301 Mbps download, 102 Mbps upload

LTE-A
GPRS

Yes

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

IPS LCD
Physical size

6.4 inches

6.67 inches
Resolution

720 x 1560 pixels

1080 x 2400 pixels
Pixel density

268 ppi

395 ppi
Display colors

16777216

16777216
Protection

2.5D curved glass screen

Scratch resistant, 2.5D curved glass screen
Display features

-

Eye comfort mode

Main camera
Camera type

Dual

Quad
Main camera

13 MP

64 MP, (wide) , f/1.8 , 26 mm, 1/2.0" , 0.7 µm
0.3 MP

8 MP, (ultrawide) , f/2.2 , 13 mm, 1/4.0" , 1.12 µm
(macro) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

4160 x 3120 pixels

9280 x 6920 pixels
Primary camera video

1080p@30fps

4K@30fps, 1080p@30/120fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, macro-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5Ghz, 802.11ac
WLAN WiFi Hotspot

Yes

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

-

Yes
Bluetooth

v4.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

Yes
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes