BLU F91 vs Oppo Find X3 Pro

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 1700(AWS), 1900, 2100

HSDPA 800, 850, 900, 1700(AWS), 1900, 2100; CDMA2000 1x
4G network

LTE frequency band 2, 4, 5, 12, 13, 17, 25, 26, 41, 66, 71

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 66 - global; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 66 - China
5G network

5G band 2, 5, 25, 41, 66, 71, 77 SA/NSA/Sub6

5G band 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78, 79 SA/NSA - global; 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78, 79 SA/NSA - China
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE

LTE-A
GPRS

No

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Gorilla Glass 5), glass back, aluminum frame
SIM

Dual SIM (Nano-SIM, dual stand-by)

Dual SIM (Nano-SIM, eSIM, dual stand-by)
Height

168.7 mm

163.6 mm
Width

76.8 mm

74 mm
Thickness

8.9 mm

8.3 mm
Weight

209 g

193 g
Waterproof

-

IP68
Dust proof

-

IP68
Colors

Blue

Black, Blue, White

Display
Display type

IPS LCD

LTPO AMOLED
Physical size

6.8 inches

6.7 inches
Resolution

1080 x 2460 pixels

1440 x 3216 pixels
Pixel density

395 ppi

525 ppi
Display colors

16777216

1073741824
Protection

-

Scratch resistant, 3D curved glass screen, Corning Gorilla Glass 5
Display features

-

120Hz, HDR10+, BT.2020, 500 nits (typ), 1300 nits (peak)
DxOMark display score

-

88

Main camera
Camera type

Quad

Quad
Main camera

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

(wide) , 50 MP, f/1.8 , 1/1.56" , 1.0 µm, 20x digital zoom , 25 mm, 5x
(ultrawide) , 5 MP, f/2.2 , 115˚

(telephoto) , 13 MP, f/2.4 , 52 mm, 2x optical zoom
(macro) , 2 MP, f/2.4

(ultrawide) , 50 MP, f/2.2 , 110˚ , 1/1.56" , 1.0 µm
(depth) , 2 MP, f/2.4

(macro) , 3 MP, f/3.0
Primary camera resolution

8000 x 6000 pixels

8192 x 6144 pixels
Primary camera video

4K@30fps, 1080p@30fps

4K@30/60fps, 1080p@30/60/240fps; gyro-EIS; HDR, 10-bit video
Primary camera flash

LED flash

LED flash
Camera features

-

Autofocus, continuous autofocus, continuous shooting, digital zoom, optical 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, macro-mode, phase detection autofocus, contrast detection autofocus, RAW, HEIF
DxOMark photo

-

139
DxOMark zoom

-

71
DxOMark video

-

111

Connectivity
WLAN

Wi-Fi 802.11b, 802.11g, 802.11n, 802.11ac

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 3.1
USB On-The-Go

Yes

Yes
Bluetooth

v5.1

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

LE

Yes
Bluetooth AptX

-

aptX HD
NFC

Yes

Yes (dual antenna)
GPS

Yes, with A-GPS

Yes, with dual-band A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes