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  3. Galaxy A Quantum vs Galaxy M51

Samsung Galaxy A Quantum vs Samsung Galaxy M51

What Galaxy A Quantum does better (3) and where Galaxy M51 wins (3) — every spec side by side.

Samsung Galaxy A Quantum
Samsung · 2020Galaxy A Quantum
7.0Score
3 advantages≈ $540
Higher score
vs
Samsung Galaxy M51
Samsung · 2020Galaxy M51
6.7Score
3 advantages≈ $510
6.6Display6.0
7.5Camera7.5
3.2Battery8.0
7.1Features5.0
Dimensions

Size comparison

Galaxy A QuantumGalaxy M51
75.5 × 162.58.176.3 × 163.99.5
Galaxy A QuantumGalaxy M51Difference
Height162.5 mm163.9 mm−1.4 mm
Width75.5 mm76.3 mm−0.8 mm
Thickness8.1 mm9.5 mm−1.4 mm
Weight185 g213 g−28 g

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

Why is Galaxy A Quantum better than Galaxy M51?

  1. 5GYes · Galaxy M51: No
  2. Weight185 g vs 213 g+15%
  3. Thickness8.1 mm vs 9.5 mm+17%

Why is Galaxy M51 better than Galaxy A Quantum?

  1. Battery capacity4,500 mAh vs 7,000 mAh+56%
  2. 4K selfie videoNo · Galaxy A Quantum: Yes
  3. Dual SIMNo · Galaxy A Quantum: Yes
Specifications

Side by side

Design
Weight185 g213 g
Thickness8.1 mm9.5 mm
Height162.5 mm163.9 mm
Width75.5 mm76.3 mm
FramePlasticPlastic
BackPlasticPlastic
Glass protectionCorning Gorilla Glass 3Corning Gorilla Glass 3+
ColoursPrism Cube Black, Prism Cube Sliver, Prism Cube BlueCelestial Black, Electric Blue, White
Display
Screen size6.7″6.7″
PanelSuper AMOLED PlusSuper AMOLED Plus
OLED panelYesYes
Resolution (width)1,080 px1,080 px
Resolution (height)2,400 px2,400 px
Pixel density393 ppi393 ppi
Refresh rate60 Hz60 Hz
Peak brightness—650 nits
Measured brightness—677 nits
Screen-to-body ratio88.3%86.7%
Performance
ChipsetExynos 980, QRNG security chipsetQualcomm SDM730 Snapdragon 730G
Chip makerExynosQualcomm
Process8 nm8 nm
CPU cores88
CPU frequency2.2 GHz2.2 GHz
GPUMali-G76 MP5Adreno 618
AnTuTu score—266,620
Geekbench 6 (multi-core)—1,774
Memory
RAM8 GB8 GB
Storage (max)128 GB128 GB
Storage (base)128 GB128 GB
Storage typeUFS 2.1UFS 2.1
Memory card slotYesYes
Camera
Main camera64 MP64 MP
Main camera aperturef/1.8f/1.8
Main sensor size1/1.72"1/1.73"
Rear cameras22
Optical stabilisationNoNo
Ultra-wide cameraYesYes
Telephoto cameraNoNo
Max video4K4K
4K video frame rate30 fps30 fps
Selfie camera32 MP32 MP
4K selfie videoNoYes
Battery
Battery capacity4,500 mAh7,000 mAh
Battery typeLi-PoLi-Po
Wired charging25 W25 W
Charged in 30 min—35%
Wireless chargingNoNo
Connectivity
5GYesNo
eSIMNoNo
Dual SIMNoYes
Wi-Fi standardWi-Fi 5Wi-Fi 5
Bluetooth55
NFCYesYes
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Satellite navigationGLONASS, GALILEO, BDSGLONASS, GALILEO, BDS
Features
Stereo speakersNoNo
3.5 mm headphone jackYesYes
Loudspeaker loudness—-28.5 LUFS
Fingerprint sensorUnder displaySide
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
SAR (head)—0.61 W/kg
Software
OS at launchAndroid 10Android 10
PlatformAndroidAndroid
InterfaceOne UI 2One UI 4.1
To compare: 0up to 4 models
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