BLU S91 vs Oppo Find N

Network
2G network

GSM 850, 900, 1800, 1900

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

HSDPA 850, 900, 1700, 1900, 2100

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

LTE frequency band 1, 2, 3, 4, 5, 7, 12, 13, 17, 28, 66

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 66
5G network

-

5G band 1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 77, 78 SA/NSA
HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

-

LTE-A (CA)
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

-

Glass front (Gorilla Glass Victus) - folded, plastic front - unfolded, glass back (Gorilla Glass Victus), aluminum frame
SIM

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

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

164.8 mm

132.6 mm
Width

76.3 mm

73 mm
Thickness

8.9 mm

15.9 mm
Height unfolded

-

132.6 mm
Width unfolded

-

140.2 mm
Thickness unfolded

-

8 mm
Weight

202 g

275 g
Colors

Black, Green

Black, Purple, White

Display
Display type

IPS LCD

Foldable LTPO AMOLED
Physical size

6.5 inches

7.1 inches
Resolution

720 x 1600 pixels

1792 x 1920 pixels
Pixel density

270 ppi

370 ppi
Display colors

16777216

16777216
Display features

-

120Hz, HDR10+, 500 nits (typ), 800 nits (HBM), 1000 nits (peak)
Cover display

-

AMOLED
Cover display physical size

-

5.49 inches
Cover display resolution

-

988 x 1972 pixels

Main camera
Camera type

Triple

Triple
Main camera

(wide) , 13 MP

(wide) , 50 MP, f/1.8 , 24 mm, 1/1.56" , 1.0 µm
(macro) , 0.3 MP, f/2.4

(telephoto) , 13 MP, f/2.4 , 52 mm, 1/3.4" , 1.0 µm, 2x optical zoom
(depth) , 0.3 MP, f/2.4

(ultrawide) , 16 MP, f/2.2 , 123˚ , 14 mm, 1/3.09" , 1.0 µm
Primary camera resolution

-

8192 x 6144 pixels
Primary camera video

1080p@30fps

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

LED flash

dual-LED dual-tone 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, face unlock, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode, omnidirectional phase detection autofocus
Cover camera

32 MP, 26 mm, f/2.4 , 0.8 µm, 1/2.74"

Selfie camera
Selfie camera type

-

Single
Selfie camera

13 MP

32 MP, (wide) , f/2.4 , 26 mm, 1/2.74" , 0.8 µm
Selfie camera resolution

-

6528 x 4896 pixels
Selfie camera features

-

Digital image stabilization, face detection, face unlock, HDR
Selfie camera video

1080p@30fps

1080p@30fps, gyro-EIS

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, 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

Yes
Bluetooth

v5.0

v5.2
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

-

aptX HD
NFC

No

Yes
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

-

Yes
GALILEO

-

Yes
BDS

-

Yes
QZSS

-

Yes

Features
Sensors

Accelerometer, compass, fingerprint, gyroscope, proximity

Accelerometer, color spectrum, compass, fingerprint, dual gyroscope, proximity