Oppo Reno9 vs Samsung Galaxy A21

Oppo Reno9

Samsung Galaxy A21

Network
2G network

GSM 850, 900, 1800, 1900; CDMA 800

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

HSDPA 850, 900, 1700(AWS), 2100; CDMA2000 1x

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

LTE frequency band 1, 3, 4, 5, 7, 8, 28, 34, 38, 39, 40, 41

LTE frequency band 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
5G network

5G band 1, 5, 8, 28, 41, 77, 78 SA/NSA

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HSDPA speed

42.2 Mbps

42.2 Mbps
HSUPA speed

5.76 Mbps

5.76 Mbps
LTE speed

LTE-A (CA)

LTE, Cat4, 151 Mbps download, 51 Mbps upload
GPRS

Yes

Yes
EDGE

Yes

Yes

Design
Build

Aluminium alloy, glass

Glass front, plastic back, plastic frame
SIM

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

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

162.3 mm

167.8 mm
Width

74.2 mm

76.7 mm
Thickness

7.2 mm

8.1 mm
Weight

174 g

193 g
Colors

Black, Gold, Pink gradient, Red

Black

Display
Display type

AMOLED

IPS LCD capacitive touchscreen
Physical size

6.7 inches

6.5 inches
Resolution

1080 x 2412 pixels

720 x 1600 pixels
Pixel density

394 ppi

270 ppi
Display colors

1073741824

16777216
Protection

Scratch resistant, 3D curved glass screen, Asahi Glass AGC DT-Star2

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Display features

120Hz, HDR10+, 500 nits (typ), 800 nits (HBM), 950 nits (peak)

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Main camera
Camera type

Dual

Quad
Main camera

(wide) , 64 MP, f/1.8 , 80˚ , 26 mm, 1/2" , 0.7 µm

16 MP, f/1.8 , 1/3.06" , 1.0 µm
(depth) , 2 MP, f/2.4 , 89˚ , 1/5" , 1.75 µm

8 MP, f/2.2 , 1/4.0" , 1.12 µm
2 MP, f/2.4
2 MP, f/2.4
Primary camera resolution

9280 x 6920 pixels

4608 x 3456 pixels
Primary camera video

4K@30fps, 1080p@30/60/120fps, gyro-EIS

1080p@30fps
Primary camera flash

LED flash

LED flash
Camera features

Autofocus, continuous 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

Autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self-timer, scene-mode

Connectivity
WLAN

Wi-Fi 802.11a, 802.11b, 802.11g, 802.11n, 802.11n 5GHz, 802.11ac, 802.11ax

Wi-Fi 802.11b, 802.11g, 802.11n
WLAN WiFi Hotspot

-

Yes
WLAN WiFi Direct

Yes

Yes
WLAN WiFi Dual Band

Yes

Yes
USB

Type-C 2.0

Type-C 1.0 reversible connector
USB On-The-Go

Yes

-
Bluetooth

v5.2

v5.0
Bluetooth A2DP

Yes

Yes
bluetooth LE

Yes

Yes
Bluetooth AptX

aptX HD

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Infrared

Yes

-
NFC

Yes, eSE, HCE, NFC-SIM

Yes (market dependent)
GPS

Yes, with A-GPS

Yes, with A-GPS
GLONASS

Yes

Yes
GALILEO

Yes

-
Beidou

-

Yes
BDS

Yes

-
QZSS

Yes

-