BLU G91s vs Oppo A78 4G

BLU G91s

Oppo A78 4G

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, 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, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (2CA), Cat6, 300 Mbps download, 50 Mbps upload

LTE
GPRS

No

Yes
EDGE

Yes

Yes

Display
Display type

IPS LCD

AMOLED
Physical size

6.8 inches

6.43 inches
Resolution

1080 x 2460 pixels

1080 x 2400 pixels
Pixel density

395 ppi

409 ppi
Display colors

16777216

16777216
Protection

-

Scratch resistant, 2.5D curved glass screen, Corning Gorilla Glass 5
Display features

-

90Hz, 430 nits

Main camera
Camera type

Quad

Dual
Main camera

(wide) , 48 MP, f/1.8 , 1/2.0" , 0.8 µm, 30x digital zoom

(wide) , 50 MP, f/1.8 , 77˚
(ultrawide) , 5 MP, f/2.2

(depth) , 2 MP, f/2.4
(depth) , 2 MP, f/2.4
Primary camera resolution

-

8190 x 6120 pixels
Primary camera video

1080p@30fps

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

HDR, Panorama

Autofocus, digital image stabilization, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, phase detection autofocus

Connectivity
WLAN

Wi-Fi 802.11a, 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

-
WLAN WiFi Direct

Yes

-
WLAN WiFi Dual Band

-

Yes
USB

Type-C 2.0

Type-C 2.0
USB On-The-Go

Yes

Yes
Bluetooth

v5.0

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

LE

Yes
NFC

No

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes