Samsung Galaxy M21 vs Nothing Phone (4a) Pro 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.

6.6
Nothing Phone (4a) Pro
Samsung Galaxy M21 Nothing Phone (4a) Pro
Released · Mar 23, 2020
Expected release · Mar 27, 2026
6.4-inch · 2340x1080px
6.8-inch · 2800x1260px
Triple camera
Triple camera
4GB · 64GB
8GB · 128GB
6000 mAh
5080 mAh
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Availability

Officially announced
Mar 18, 2020 Mar 05, 2026
Scheduled release
Mar 27, 2026
Prices (MSRP)
8GB/128GB - $499 | €479
12GB/256GB - $599 | €549

Design

Dimensions
6.26 x 2.96 x 0.35 inches
159.0 x 75.1 x 8.9 mm
6.44 x 3.02 x 0.31 inches
163.6 x 76.6 x 7.9 mm
Weight
6.63 oz / 188.0 g 7.41 oz / 210.0 g
Materials
Back: Plastic
Frame: Plastic
Back: Aluminum
Frame: Aluminum
Resistance
Water, Dust; IP65
Biometrics
2D Face unlock, Fingerprint (touch) Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control
Colors
Midnight blue, Raven black Silver, Pink, Black

Display

Size
6.4-inch, 84.11% screen-to-body 6.8-inch, 89.76% screen-to-body
Type
Super AMOLED, 420 nits AMOLED, 144Hz, HDR10+, 5000 nits
Resolution
2340x1080px, 19.5:9 ratio, 403 PPI 2800x1260px, 20:9 ratio, 450 PPI
Protection
Corning Gorilla Glass 3 Corning Gorilla Glass 7i
Features
Scratch-resistant glass, Proximity sensor
PhoneArena Display Test
Bright Max (20% APL)
Untested 1520 (Good)
Bright Min
Untested 1.9 (Good)

Hardware

System chip
Exynos 9611 (10 nm) Snapdragon 7 Gen 4 SM7750-AB (4 nm)
Processor
Octa-core
4x2.3GHz Cortex-A73
4x1.7G​Hz Cortex-A53
Octa-core
1x2.8GHz Cortex-A720
4x2.4​GHz Cortex-A720
3x1.8​GHz Cortex-A520
GPU
Mali-G72 MP3 Adreno 722
Memory
4GB (LPDDR4)/64GB
6GB/128GB
8GB (LPDDR5X)/128GB (UFS 3.1)
12GB/256GB
Storage expansion
microSDXC up to 512 GB not expandable
OS
Android (11, 10) Android (16), up to 3 OS updates
PhoneArena Performance Test
GeekBench 6 Single
Untested 1350
GeekBench 6 Multi
Untested 4221
3D Mark High
Untested 2094
3D Mark Low
Untested 2082

Battery

Type
6000 mAh, Li - Polymer 5080 mAh
Charging
Fast charging Qualcomm Quick Charge 4, USB Power Delivery
Reverse wired charging
Charge speed
Wired: 50.0W
PhoneArena Battery Tests
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
7h 22min
Browsing
16h 22min
Video
12h 29min
Gaming
6h 44min

Camera

Rear
Triple camera Triple camera
Main camera
48 MP (PDAF)
Aperture size: F2.0
Focal length: 26 mm
Sensor size: 1/2"
Pixel size: 0.8 μm
50 MP (OIS, Autofocus, PDAF)
Sensor name: Sony LYT-710
Aperture size: F1.9
Focal length: 24 mm
Sensor size: 1/1.56"
Pixel size: 1 μm
Second camera
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 12 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
8 MP (Ultra-wide)
Aperture size: F2.2
Focal Length: 15 mm
Sensor size: 1/4"
Pixel size: 1.12 μm
Third camera
5 MP (Depth information)
Aperture size: F2.2
50 MP (Telephoto, Periscope, OIS, Autofocus, PDAF)
Optical zoom: 3.5x
Aperture size: F2.9
Focal Length: 80 mm
Sensor size: 1/2.75"
Pixel size: 0.64 μm
Flash
LED LED
Video recording
4K UHD (30 fps), 1080p, 720p (240 fps)
EIS
4K UHD (30 fps), 1080p (120 fps)
HDR, Time-lapse video, EIS, Dolby Vision HDR
Front
20 MP (HDR)
Video capture: 1080p (30 fps)
32 MP

Connectivity & Features

Bluetooth
5.0 5.4
WLAN
dual-band
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac
USB
Type-C, USB 2.0 Type-C, USB 2.0
Sensors
Accelerometer, Gyroscope, Proximity sensor Accelerometer, Gyroscope, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC

Multimedia

Headphones
3.5mm jack No 3.5mm jack
Speakers
Earpiece, Loudspeaker Earpiece, Multiple speakers
Features
Dolby Atmos
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM
Additional microphone(s)
Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n25, n28, n38, n40, n41, n48, n66, n71, n77, n78
LTE Bands
1, 3, 5, 7, 8, 20 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66, 71
TDD Bands
38, 40, 41 38, 40, 41, 42, 48
3G Bands
1, 2, 5, 8 1, 2, 4, 5, 6, 8, 19
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
Dual SIM
Yes
SIM type
Nano SIM Dual Nano SIM + eSIM
HD Voice
Yes
VoLTE
Yes