Samsung·Mid-range · Released Sep 2020

Galaxy M51

A 2020 endurance phone with a class-leading 7,000 mAh battery.

58/ 100 SpecEagle score
From
$370
Color · Celestial Black
Display
6.7" SAMOLED
Chipset
Snapdragon 730G
Memory
6 GB · 128 GB
Main cam
64 MP
Battery
7,000 mAh
Weight
213 g
Quick answer

The Galaxy M51 is a mid-range Samsung smartphone released Sep 2020, with a launch price of $370. It pairs the Snapdragon 730G with a 6.7" SAMOLED display, a 64 MP main camera and a 7,000 mAh battery. In SpecEagle's editorial review it scores 58/100 — The 7,000 mAh endurance phone. Standout strengths: class-leading 7,000 mah battery. and super amoled + 64 mp quad cam. Main trade-off: heavy 213 g.

AI Snapshot

The 7,000 mAh endurance phone.

Galaxy M51 made battery life its entire pitch — a 7,000 mAh cell that delivered three-day endurance, paired with a Super AMOLED and 64 MP camera. Heavy but unmatched, it became Samsung's endurance benchmark.

Read the full review
Subscores · 0–100
Display78
Camera66
Performance64
Battery96
Build64
Value72
  • Class-leading 7,000 mAh battery.
  • Super AMOLED + 64 MP quad cam.
  • 25 W charging + reverse charging.
  • Stereo speakers + jack + microSD.

Full specifications

Type
Super AMOLED Plus
Size
6.7 inches
Resolution
2,400 × 1,080 px (FHD+)
Main
64 MP, f/1.8
Ultrawide
12 MP
Macro
5 MP
Depth
5 MP
Selfie
32 MP

Benchmarks

vs 2025 flagship class average
AnTuTu v8
Δ class avg -82.7%
This
280,000
Class avg
1,620,000

How the Galaxy M51 compares

Galaxy M51OnePlus 3Galaxy S7
SpecEagle score585858
ChipsetSnapdragon 730GSnapdragon 820SD 820
Display6.7" SAMOLED5.5" FHD AMOLED5.1" QHD AMOLED
Main camera64 MP16 MP · f/2.012 MP · f/1.7
Battery7,000 mAh3,000 mAh3,000 mAh
Launch price$370$399$670

Frequently asked questions

When was the Galaxy M51 released?

The Galaxy M51 was released in Sep 2020.

How much does the Galaxy M51 cost?

The Galaxy M51 launched at $370 (manufacturer suggested price at release; street and second-hand prices vary by region, storage tier and time since launch).

What is the Galaxy M51 screen size and type?

The Galaxy M51 has a 6.7" SAMOLED display.

What chipset does the Galaxy M51 use?

The Galaxy M51 is powered by the Snapdragon 730G chipset.

How much RAM and storage does the Galaxy M51 have?

The Galaxy M51 ships with 6 GB · 128 GB (RAM · base storage); higher configurations may be available.

What is the Galaxy M51 battery capacity?

The Galaxy M51 has a 7,000 mAh battery.

How fast does the Galaxy M51 charge?

The Galaxy M51 supports 25 W wired charging.

What is the Galaxy M51 main camera?

The Galaxy M51 has a 64 MP main camera.

Does the Galaxy M51 have a headphone jack?

The Galaxy M51 has a 3.5 mm headphone jack.

How long will the Galaxy M51 get software updates?

The Galaxy M51 update policy: To Android 12.

How much does the Galaxy M51 weigh?

The Galaxy M51 weighs 213 g.

What colours does the Galaxy M51 come in?

The Galaxy M51 is available in 3 colours: Celestial Black, Electric Blue, Celestial White.

Is the Galaxy M51 worth buying?

Galaxy M51 made battery life its entire pitch — a 7,000 mAh cell that delivered three-day endurance, paired with a Super AMOLED and 64 MP camera. Heavy but unmatched, it became Samsung's endurance benchmark. SpecEagle gives the Galaxy M51 an editorial score of 58/100.

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