BLU G91 Pro vs vivo Y27s

BLU G91 Pro

vivo Y27s

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, 3, 5, 7, 8, 20, 28, 38, 40, 41
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, 391 Mbps download, 151 Mbps upload
GPRS

No

Yes
EDGE

Yes

Yes

Main camera
Camera type

Quad

Dual
Main camera

(wide) , 48 MP, f/1.79 , 1/2.0" , 0.8 µm, 30x digital zoom

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

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

8000 x 6000 pixels

-
Primary camera video

4K@30fps, 1080p@30fps

1080p@30fps
Primary camera flash

LED flash

dual-LED dual-tone flash
Camera features

-

Autofocus, continuous shooting, digital zoom, digital image stabilization, 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 802.11a, 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

v4.1

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
QZSS

-

Yes