How we scoreBlogAdvertise
android.gsdevices · specs · comparisons
  1. android.gs
  2. Compare
  3. Pixel 4a 5G vs Galaxy S21 5G

Google Pixel 4a 5G vs Samsung Galaxy S21 5G

What Pixel 4a 5G does better (3) and where Galaxy S21 5G wins (21) — every spec side by side.

Google Pixel 4a 5G
Google · 2020Pixel 4a 5G
6.7Score
3 advantages≈ $150
vs
Samsung Galaxy S21 5G
Samsung · 2021Galaxy S21 5G
7.9Score
21 advantages≈ $185
Higher score
5.8Display7.7
4.3Performance5.6
7.7Camera7.9
2.8Battery3.8
9.1Features9.4
Dimensions

Size comparison

Pixel 4a 5GGalaxy S21 5G
74 × 153.98.271.2 × 151.77.9
Pixel 4a 5GGalaxy S21 5GDifference
Height153.9 mm151.7 mm+2.2 mm
Width74 mm71.2 mm+2.8 mm
Thickness8.2 mm7.9 mm+0.3 mm
Weight168 g169 g−1 g

Drawn to the same scale from the official dimensions (front and side).

Why is Pixel 4a 5G better than Galaxy S21 5G?

  1. AnTuTu score641,913 vs 584,055+10%
  2. 3.5 mm headphone jackYes · Galaxy S21 5G: No
  3. Main camera aperturef/1.7 vs f/1.8+6%

Why is Galaxy S21 5G better than Pixel 4a 5G?

  1. Refresh rate60 Hz vs 120 Hz2×
  2. Geekbench 6 (multi-core)1,867 vs 3,238+73%
  3. Storage (max)128 GB vs 256 GB2×
  4. Telephoto cameraNo · Pixel 4a 5G: Yes
  5. Wireless chargingNo · Pixel 4a 5G: Yes
  6. Wired charging18 W vs 25 W+39%
  7. Peak brightness700 nits vs 1,300 nits+86%
  8. RAM6 GB vs 8 GB+33%
  9. Battery capacity3,885 mAh vs 4,000 mAh+3%
  10. Measured brightness692 nits vs 856 nits+24%
  11. CPU frequency2.4 GHz vs 2.9 GHz+21%
  12. Max video4K vs 8K
Specifications

Side by side

Design
Weight168 g169 g
Thickness8.2 mm7.9 mm
Height153.9 mm151.7 mm
Width74 mm71.2 mm
FramePlasticAluminium
BackPlasticPlastic
Ingress protection—IP68
Water resistance (IPx)—IPx8
Glass protectionCorning Gorilla Glass 3Corning Gorilla Glass Victus
ColoursJust Black, Clearly WhitePhantom Gray, Phantom White, Phantom Violet, Phantom Pink
Display
Screen size6.2″6.2″
PanelOLEDDynamic AMOLED 2X
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,340 px2,400 px
Pixel density413 ppi421 ppi
Refresh rate60 Hz120 Hz
Peak brightness700 nits1,300 nits
Measured brightness692 nits856 nits
Screen-to-body ratio84.1%87.2%
HDRYesYes
Performance
ChipsetQualcomm SM7250 Snapdragon 765G 5GExynos 2100 - International
Chip makerQualcommQualcomm
Process7 nm5 nm
CPU cores88
CPU frequency2.4 GHz2.9 GHz
GPUAdreno 620Mali-G78 MP14 - International Adreno 660 - USA/China
AnTuTu score641,913584,055
Geekbench 6 (multi-core)1,8673,238
3DMark Wild Life Extreme—1,800
Memory
RAM6 GB8 GB
Storage (max)128 GB256 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.1UFS 3.1
Memory card slotNoNo
Camera
Main camera12 MP12 MP
Main camera aperturef/1.7f/1.8
Main sensor size1/2.55"1/1.76"
Rear cameras23
Optical stabilisationYesYes
Ultra-wide cameraYesYes
Telephoto cameraNoYes
Optical zoom—1.1×
Max video4K8K
4K video frame rate60 fps60 fps
Selfie camera8 MP10 MP
4K selfie videoNoYes
Battery
Battery capacity3,885 mAh4,000 mAh
Battery typeLi-PoLi-Ion
Wired charging18 W25 W
Charged in 30 min45%55%
Wireless chargingNoYes
Wireless charging power—15 W
Reverse wireless charging—Yes
Connectivity
5GYesYes
eSIMYesYes
Dual SIMYesYes
Wi-Fi standardWi-Fi 5Wi-Fi 6
Bluetooth55
NFCYesYes
USBUSB Type-C 3.1USB Type-C 3.2
USB version3.13.2
Satellite navigationGLONASS, GALILEO, BDS, QZSSGLONASS, GALILEO, BDS
Features
Stereo speakersYesYes
3.5 mm headphone jackYesNo
Loudspeaker loudness—-26.4 LUFS
Fingerprint sensorRearUnder display, ultrasonic
BarometerYesYes
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
SAR (head)—0.46 W/kg
Software
OS at launchAndroid 11Android 11
PlatformAndroidAndroid
Interface—One UI 7
Major OS updates promised—4
To compare: 0up to 4 models
Compare