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Galaxy A12 vs Galaxy A51

Samsung Galaxy A12 vs Samsung Galaxy A51

What Galaxy A12 does better (4) and where Galaxy A51 wins (17) — every spec side by side.

Samsung · 2020Galaxy A12

4.4Score

4 advantages≈ $85

Samsung · 2019Galaxy A51

5.1Score

17 advantages≈ $210

Higher score

2.6Display5.0

2.2Performance2.6

5.3Camera8.1

4.0Battery2.6

4.3Features5.0

Dimensions

Size comparison

Galaxy A12Galaxy A51

	Galaxy A12	Galaxy A51	Difference
Height	164 mm	158.5 mm	+5.5 mm
Width	75.8 mm	73.6 mm	+2.2 mm
Thickness	8.9 mm	7.9 mm	+1 mm
Weight	205 g	172 g	+33 g

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

Why is Galaxy A12 better than Galaxy A51?

Battery capacity5,000 mAh vs 4,000 mAh+25%
RAM6 GB vs 4 GB+50%
Peak brightness450 nits vs 400 nits+12%
CPU frequency2.35 GHz vs 2.3 GHz+2%

Why is Galaxy A51 better than Galaxy A12?

AnTuTu score107,189 vs 352,6993.3×
OLED panelNo · Galaxy A12: Yes
Optical stabilisationNo · Galaxy A12: Yes
Geekbench 6 (multi-core)1,034 vs 1,204+16%
Pixel density270 ppi vs 407 ppi+51%
Storage (base)32 GB vs 128 GB4×
Selfie camera8 MP vs 32 MP4×
Measured brightness472 nits vs 635 nits+35%
Rear cameras2 vs 42×
Max video1080p vs 4K
Weight205 g vs 172 g+19%
Charged in 30 min20% vs 34%+70%

Specifications

Side by side

Only differences	Samsung Galaxy A12≈ $854.4	Samsung Galaxy A51≈ $2105.1
Design
Weight	205 g	172 g
Thickness	8.9 mm	7.9 mm
Height	164 mm	158.5 mm
Width	75.8 mm	73.6 mm
Frame	Plastic	Plastic
Back	Plastic	Plastic
Glass protection	—	Gorilla Glass 3
Colours	Black, White, Blue, Red	White, Black
Display
Screen size	6.5″	6.5″
Panel	PLS LCD	AMOLED
OLED panel	No	Yes
Resolution (width)	720 px	1,080 px
Resolution (height)	1,600 px	2,400 px
Pixel density	270 ppi	407 ppi
Refresh rate	60 Hz	60 Hz
Peak brightness	450 nits	400 nits
Measured brightness	472 nits	635 nits
Screen-to-body ratio	82.1%	87.4%
Performance
Chipset	Mediatek MT6765 Helio P35	Samsung Exynos 9611
Chip maker	MediaTek	Samsung
Process	12 nm	10 nm
CPU cores	8	8
CPU frequency	2.35 GHz	2.3 GHz
GPU	PowerVR GE8320	Mali G72 MP3
AnTuTu score	107,189	352,699
Geekbench 6 (multi-core)	1,034	1,204
Memory
RAM	6 GB	4 GB
Storage (max)	128 GB	128 GB
Storage (base)	32 GB	128 GB
Storage type	eMMC 5.1	UFS 2.0
Memory card slot	Yes	Yes
Camera
Main camera	48 MP	48 MP
Main camera aperture	f/2	f/2
Main sensor size	1/2"	1/2"
Rear cameras	2	4
Optical stabilisation	No	Yes
Ultra-wide camera	Yes	Yes
Telephoto camera	No	No
Max video	1080p	4K
4K video frame rate	—	30 fps
Selfie camera	8 MP	32 MP
4K selfie video	No	No
Battery
Battery capacity	5,000 mAh	4,000 mAh
Battery type	Li-Po	Li-Po
Wired charging	15 W	15 W
Charged in 30 min	20%	34%
Wireless charging	No	No
Connectivity
5G	No	No
eSIM	No	No
Dual SIM	Yes	Yes
Wi-Fi standard	Wi-Fi 4	Wi-Fi 5
Bluetooth	5	5
NFC	Yes	Yes
USB	USB Type-C 2.0	USB Type-C
USB version	2	2
Satellite navigation	GLONASS, GALILEO, BDS	GPS, GLONASS, GALILEO, BDS
Features
Stereo speakers	No	No
3.5 mm headphone jack	Yes	Yes
Loudspeaker loudness	-30.4 LUFS	—
Fingerprint sensor	Side	Under display
Sensors	Fingerprint (side-mounted), accelerometer	proximity, accelerometer, gyro, light, fingerprint
SAR (head)	0.67 W/kg	0.6 W/kg
Software
OS at launch	Android 10	Android 10
Platform	Android	Android
Interface	One UI 4.1	One UI 2