Samsung Galaxy S21 vs OPPO Reno Z Specs Comparison

Compare phone and tablet specifications of up to three devices at once.

Display

Size:

6.2 inches
6.4 inches

Resolution:

2400 x 1080 pixels, 20:9 ratio, 424 PPI
2340 x 1080 pixels, 19.5:9 ratio, 403 PPI

Technology:

Dynamic AMOLED
AMOLED

Refresh rate:

120Hz (adaptive)
60Hz

Screen-to-body:

86.06 %
85.35 %

Peak brightness:

1300 cd/m2 (nit)

Features:

HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon 888 (5 nm)
MediaTek Helio P90 MT6779V/CU (12 nm)

Processor:

Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit
Octa-core, 2200 MHz, Cortex-A75, 64-bit

GPU:

Adreno 660
PowerVR GM9446

RAM:

8GB LPDDR5
4GB

Internal storage:

128GB (UFS 3.0), not expandable
128GB, not expandable

Device type:

Smartphone
Smartphone

OS:

Android (13, 12, 11), Samsung One UI
Android (9.0 Pie), ColorOS 6.0 UI

Battery

Capacity:

4000 mAh
4035 mAh

Type:

Li - Polymer, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
SuperVOOC 3.0

Max charge speed:

Wired: 25.0W; Wireless: 15.0W
Wired: 20.0W

Camera

Rear:

Triple camera
Dual camera

Main camera:

12 MP (OIS, PDAF)
48 MP (PDAF)

Specifications:

Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm
Aperture size: F1.7; Focal length: 26 mm; Sensor size: 1/2"; Pixel size: 0.8 μm

Second camera:

64 MP (Telephoto, OIS, PDAF)
5 MP (Depth information)

Specifications:

Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm
Aperture size: F2.4

Third camera:

12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Flash:

LED
LED

Video recording:

7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps)

Features:

OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS
Time-lapse video, EIS

Front:

10 MP (PDAF, HDR)
32 MP (HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)
1920x1080 (Full HD)

Design

Dimensions:

5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)
6.19 x 2.95 x 0.36 inches (157.3 x 74.9 x 9.1 mm)

Weight:

6.03 oz (171.0 g)
6.56 oz (186.0 g)

Materials:

Back: Plastic; Frame: Aluminum
Back: Glass; Frame: Plastic

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
2D Face unlock, Fingerprint (touch)

Keys:

Right: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key

Colors:

Phantom pink, Violet, Gray, White
Jet Black, Aurora Purple

Cellular

5G:

n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

4G (FDD):

Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT)

4G (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+)

3G:

Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 6(800), 8(900), 19(800)

Data Speed:

LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS
LTE-A, HSPA

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

No 3.5mm jack
3.5mm jack

Speakers:

Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Dolby Atmos, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM, Stereo, RDS
FM

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

5.0
5.0

Wi-Fi:

802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 b, g, n, ac, dual-band; Wi-Fi Direct, Hotspot

USB:

Type-C (reversible), USB 3.2
Type-C (reversible)

Features:

Charging, Headphones port, OTG, Video out
Charging, OTG

Location:

GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass

Other:

NFC, ANT+
NFC

Hearing aid compatible:

M3, T3

Regulatory Approval

FCC approval:

Date approved:

Dec 08, 2020

FCC ID value:

A3LSMG991U

Measured SAR:

Head:

0.36 W/kg

Body:

1.08 W/kg

Simultaneous Transmission:

3.96 W/kg

Wireless Router:

1.09 W/kg

Phablet:

2.49 W/kg

Buyers information

Price:

$ 800

In The Box:

C to C Data Cable, Ejection Pin
Adapter, Type-C Charge Cable, Headset, Case, SIM Card Ejector, Quick Start Guide, Important Info. Booklet with Warranty Card

Availability

Officially announced:

Jan 14, 2021
May 15, 2019
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