BLU G51S vs vivo X70 Pro+

Network
2G network

GSM 850, 900, 1800, 1900

GSM 850, 900, 1800, 1900; CDMA 800, 1900
3G network

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

HSDPA 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1xEV-DO
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, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66
5G network

-

5G band 1, 3, 5, 8, 28, 38, 40, 41, 77, 78, 79 SA/NSA
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

LTPO AMOLED
Physical size

6.4 inches

6.78 inches
Resolution

720 x 1560 pixels

1440 x 3200 pixels
Pixel density

268 ppi

517 ppi
Display colors

16777216

1073741824
Protection

2.5D curved glass screen

3D curved glass screen, scratch resistant
Display features

-

120Hz, HDR10+, 500 nits (typ), 1000 nits (HBM), 1500 nits (peak)

Main camera
Camera type

Dual

Quad
Main camera

13 MP

50 MP, (wide) , f/1.6 , 1/1.31" , 1.2 µm
0.3 MP

8 MP, (periscope telephoto) , f/3.4 , 125 mm, 1.0 µm, 5x optical zoom
(telephoto) , 12 MP, f/1.6 , 50 mm, 1/2.93" , 1.22 µm, 2x optical zoom
(ultrawide) , 48 MP, f/2.2 , 114˚ , 14 mm, 1/2.0" , 0.8 µm
Primary camera resolution

4160 x 3120 pixels

8160 x 6144 pixels
Primary camera video

1080p@30fps

8K@30fps, 4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR10+
Primary camera optics

-

Zeiss optics
Primary camera flash

LED flash

dual-LED dual-tone 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, digital image stabilization, optical image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, laser autofocus, dual 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, 802.11ax
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

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD, aptX Adaptive
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes