Samsung Galaxy M08 vs Samsung Galaxy M51: Which is better?

Screen size

equal specs

Galaxy M086.7"

Galaxy M516.7"

Technology

Galaxy M08

GSM / HSPA / LTE

Galaxy M51

GSM / HSPA / LTE

2G bands

Galaxy M08

GSM 850 / 900 / 1800 / 1900

Galaxy M51

GSM 850 / 900 / 1800 / 1900

3G bands

Galaxy M08

HSDPA 850 / 900 / 2100

Galaxy M51

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G bands

Galaxy M08

1, 3, 5, 7, 8, 20, 28, 38, 40, 41

Resolution

Galaxy M08720 × 1,600 px

Galaxy M511080 × 2400 px+56%

Refresh rate

Galaxy M0890 Hz

Galaxy M51—

Peak brightness

Galaxy M08—

Galaxy M51—

Pixel density

Galaxy M08262 ppi

Galaxy M51393 ppi+33%

CPU speed

equal specs

Galaxy M08Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

Galaxy M51Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)

RAM

Galaxy M084.0 GB

Galaxy M516.0 GB+33%

Storage

Galaxy M0864 GB

Galaxy M51128 GB+50%

Main camera

Galaxy M0850.0 MP

Galaxy M5164.0 MP+22%

Front camera

Galaxy M088.0 MP

Galaxy M5132.0 MP+75%

Battery

Galaxy M086,000 mAh

Galaxy M517,000 mAh+14%

Wired charging

equal specs

Galaxy M0825 W

Galaxy M5125 W

Weight

Galaxy M08197 g+8.1%

Galaxy M51213 g

Thickness

Galaxy M088.0 mm+19%

Galaxy M519.5 mm

IP rating

Galaxy M08IP64

Galaxy M51Glass front (Gorilla Glass 3+), plastic back, plastic frame

Wi‑Fi

Galaxy M08wifi 5

Galaxy M51Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

equal specs

Galaxy M085

Galaxy M515.0, A2DP, LE

USB

equal specs

Galaxy M082.0

Galaxy M51USB Type-C 2.0, OTG

5G support

equal specs

Galaxy M08No

Galaxy M51No

NFC

Galaxy M08No

Galaxy M51Yes+100%

3.5mm jack

equal specs

Galaxy M08Yes

Galaxy M51Yes

SD card

equal specs

Galaxy M08Yes

Galaxy M51Yes

Stereo speakers

Galaxy M08—

Galaxy M51—

Speed

Galaxy M08

HSPA, LTE

Galaxy M51

HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps

Announced

Galaxy M08

2026, October 01

Galaxy M51

2020, August 31. Released 2020, September 11

Status

Galaxy M08

Released Oct 2026

Galaxy M51

Discontinued

Dimensions

Galaxy M08

167.4 x 77.4 x 8 mm (6.59 x 3.05 x 0.31 in)

Galaxy M51

163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in)

Weight

Galaxy M08

197 g (6.95 oz)

Galaxy M51

213 g (7.51 oz)

Build

Galaxy M08

Glass front, plastic back, plastic frame

Galaxy M51

Glass front (Gorilla Glass 3+), plastic back, plastic frame

SIM

Galaxy M08

Nano-SIM + Nano-SIM

Galaxy M51

Nano-SIM + Nano-SIM

Other

Galaxy M08

IP64 dust tight and water resistant (water splashes)

Galaxy M51

Type

Galaxy M08

PLS LCD, 90Hz

Galaxy M51

Super AMOLED Plus

Size

Galaxy M08

6.7 inches, 108.4 cm2 (~83.6% screen-to-body ratio)

Galaxy M51

6.7 inches, 108.4 cm2 (~86.7% screen-to-body ratio)

Resolution

Galaxy M08

720 x 1600 pixels, 20:9 ratio (~262 ppi density)

Galaxy M51

1080 x 2400 pixels, 20:9 ratio (~393 ppi density)

Protection

Galaxy M08

Galaxy M51

Corning Gorilla Glass 3+

Galaxy M08

Android 17, up to 6 major OS updates, One UI 9

Galaxy M51

Android 10, upgradable to Android 12, One UI 4.1

Chipset

Galaxy M08

Mediatek Helio G99+ (6 nm)

Galaxy M51

Qualcomm SDM730 Snapdragon 730G (8 nm)

CPU

Galaxy M08

Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)

Galaxy M51

Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)

GPU

Galaxy M08

Mali-G57 MC2

Galaxy M51

Adreno 618

Card slot

Galaxy M08

microSDXC (dedicated slot)

Galaxy M51

microSDXC (dedicated slot)

Internal

Galaxy M08

64GB 4GB RAM

Galaxy M51

128GB 6GB RAM, 128GB 8GB RAM

Dual

Galaxy M08

50 MP, f/1.8, (wide), 1/2.76", 0.64µm, PDAF Auxiliary lens

Galaxy M51

Features

Galaxy M08

LED flash

Galaxy M51

LED flash, panorama, HDR

Video

Galaxy M08

1080p@30/60fps

Galaxy M51

4K@30fps, 1080p@30fps

Quad

Galaxy M08

Galaxy M51

64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF 12 MP, f/2.2, 123˚ (ultrawide) 5 MP (macro) Auxiliary lens

Single

Galaxy M08

8 MP, f/2.0, (wide), 1/4.0", 1.12µm

Galaxy M51

32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm

Video

Galaxy M08

Yes

Galaxy M51

4K@30fps, 1080p@30fps

Features

Galaxy M08

Galaxy M51

HDR

Loudspeaker

Galaxy M08

Yes

Galaxy M51

Yes

3.5mm jack

Galaxy M08

Yes

Galaxy M51

Yes

WLAN

Galaxy M08

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Galaxy M51

Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct

Bluetooth

Galaxy M08

5.3, A2DP, LE

Galaxy M51

5.0, A2DP, LE

Positioning

Galaxy M08

GPS, GLONASS, GALILEO, BDS

Galaxy M51

GPS, GLONASS, GALILEO, BDS

NFC

Galaxy M08

Galaxy M51

Yes

Radio

Galaxy M08

FM radio

Galaxy M51

FM radio, RDS

USB

Galaxy M08

USB Type-C 2.0

Galaxy M51

USB Type-C 2.0, OTG

Sensors

Galaxy M08

Fingerprint (side-mounted), accelerometer, proximity

Galaxy M51

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass

Type

Galaxy M08

6000 mAh

Galaxy M51

Li-Po 7000 mAh

Charging

Galaxy M08

25W wired

Galaxy M51

25W wired, 100% in 115 min Reverse wired

Colors

Galaxy M08

Silver

Galaxy M51

Celestial Black, Electric Blue, White

Models

Galaxy M08

SM-M085F, SM-M085F/DS

Galaxy M51

SM-M515F, SM-M515F/DSN

SAR

Galaxy M08

0.62 W/kg (head)

Galaxy M51

1.38 W/kg (head)

SAR EU

Galaxy M08

0.75 W/kg (head) 1.29 W/kg (body)

Galaxy M51

0.61 W/kg (head) 1.45 W/kg (body)

Price

Galaxy M08

About 160 EUR

Galaxy M51

About 470 EUR

Galaxy M08 vs Galaxy M51

Which is better?

Choose Galaxy M08 for

Choose Galaxy M51 for

Biggest differences

Galaxy M08

Galaxy M51

Head-to-head comparison

Display

Specifications Comparison

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Performance

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Display

Performance

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Battery

Build

Connectivity

Launch

Body

Display

Platform

Memory

Main Camera

Selfie camera

Sound

Comms

Features

Battery

Misc