Samsung Galaxy S21 vs realme 8 Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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Samsung Galaxy S21 | realme 8 |
Released
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Jan 29, 2021
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Released
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Mar 25, 2021
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6.2-inch
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6.4-inch
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Triple camera
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Quad camera
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8GB · 128GB
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4GB · 128GB
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4000 mAh
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5000 mAh
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Check prices |
Design
Dimensions | |
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5.97 x 2.80 x 0.31 inches 151.7 x 71.2 x 7.9 mm |
6.32 x 2.91 x 0.31 inches 160.6 x 73.9 x 8 mm |
Weight | |
6.03 oz (171.0 g) | 6.24 oz (177.0 g) |
Materials | |
Back: Plastic Frame: Aluminum |
Back: Plastic Frame: Plastic |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
2D Face unlock, Ultrasonic in-screen fingerprint | Optical in-screen fingerprint |
Keys | |
Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
Colors | |
Phantom pink, Violet, Gray, White | Cyber Silver, Cyber Black |
Display
Size | |
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6.2-inch | 6.4-inch |
Resolution | |
2400x1080px, 20:9 ratio, 424 PPI | 2400x1080px, 20:9 ratio, 411 PPI |
Technology | |
Dynamic AMOLED | Super AMOLED |
Refresh rate | |
120Hz (adaptive) | 60Hz |
Screen-to-body | |
86.06 % | 83.34 % |
Peak brightness | |
1300 cd/m2 (nit) | 1000 cd/m2 (nit) |
Features | |
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor | Ambient light sensor, Proximity sensor |
Hardware
System chip | |
---|---|
Qualcomm Snapdragon 888 (5 nm) | MediaTek Helio G95 MT6785V (12 nm) |
Processor | |
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 |
Octa-core 2050 MHz Cortex-A76 |
GPU | |
Adreno 660 | Mali G76 |
RAM | |
8GB (LPDDR5) | 4GB (LPDDR4) |
Internal storage | |
128GB (UFS 3.0) | 128GB (UFS 2.1) |
Storage expansion | |
not expandable | microSDXC |
OS | |
Android (13, 12, 11), Samsung One UI | Android (11), realme 2.0 UI |
Battery
Capacity | |
---|---|
4000 mAh | 5000 mAh |
Type | |
Li - Polymer | Li - Polymer |
Charging | |
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging | Fast charging |
Charge speed | |
Wired: 25.0W Wireless: 15.0W |
Wired: 30.0W |
Battery Life Estimate
4h 28min
Browsing
7h 47min
Video
7h 36min
Gaming
7h 9min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
Rear | |
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Triple camera | Quad camera |
Main camera | |
12 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.76" Pixel size: 1.8 μm |
64 MP (PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/1.7" Pixel size: 0.8 μm |
Second camera | |
12 MP (Ultra-wide, Autofocus) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 μm |
8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 16 mm Sensor size: 1/4" Pixel size: 1.12 μm |
Third camera | |
64 MP (Telephoto, OIS, PDAF) Aperture size: F2.0 Focal Length: 29 mm Sensor size: 1/1.7" Pixel size: 0.8 μm |
2 MP (Macro) Aperture size: F2.4 |
Fourth camera | |
2 MP (Black and White) Aperture size: F2.4 |
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Flash | |
LED | LED |
Video recording | |
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS | 3840x2160 (4K UHD) (30 fps), 1920x1080 (Full HD) (120 fps), 1280x720 (HD) (240 fps) Time-lapse video, Picture-taking during video recording, EIS |
Front | |
10 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) | 16 MP (HDR), Video capture: 1920x1080 (Full HD) |
Connectivity & Features
Bluetooth | |
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5.0 | 5.1 |
WLAN | |
802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 3.2 | Type-C, USB 2.0 |
Hearing aid compatible | |
M3/T3 | |
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+ |
Multimedia
Headphones | |
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No 3.5mm jack | 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Loudspeaker |
Features | |
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus | |
Screen mirroring | |
Wireless screen share | Wireless screen share |
Radio | |
FM, Stereo, RDS | FM |
Additional microphone(s) | |
Noise cancellation, Video recording | Noise cancellation |
Cellular
5G | |
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Bands 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), 3(1800), 5(850), 8(900) |
4G (TDD) | |
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) | Bands 38(2600), 40(2300), 41(2600+) |
3G | |
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) | Bands 4(1700/2100), 5(850), 8(900) |
Data Speed | |
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS | LTE-A, HSDPA+ (4G) 42.2 Mbit/s |
Dual SIM | |
No | |
SIM type | |
Nano SIM | Nano SIM |
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
MSRP | |
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$ 800 | € 199 |
In The Box | |
C to C Data Cable, Ejection Pin | USB Type-C Cable, 5V6A Charge Adapter, SIM Card Needle, Screen Protect Film, Protect Case, Quick Start Guide, Important Product Information (including the Warranty Card) |
Availability
Officially announced | |
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Jan 14, 2021 | Mar 24, 2021 |
Alternative variants
with 256GB storage
Internal storage | 256GB |
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With 6GB RAM
RAM | 6GB |
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for Europe
System chip | Samsung Exynos 2100 (5 nm) |
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Processor |
Octa-core 2900 MHz 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55 |
GPU | Mali G78 MP14 |
Weight | 5.96 oz (169.0 g) |
5G | Bands SA, NSA, Sub-6 |
FCC approval |
Date approved: Dec 18, 2020 FCC ID value: A3LSMG991B |
Measured SAR |
Head: 0.42 W/kg Body: 0.94 W/kg Simultaneous Transmission: 3.96 W/kg Wireless Router: 1.34 W/kg Phablet: 2.37 W/kg |
With 8 GB RAM
RAM | 8GB |
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Links
Full specifications | |
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Samsung Galaxy S21 Specs | realme 8 Specs |
PhoneArena Review | |
Samsung Galaxy S21 Review | |
User Reviews | |
Samsung Galaxy S21 User Reviews |