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BLU Diamond M vs Samsung Galaxy S10 5G vs Samsung Galaxy S21

Compare phone and tablet specifications of up to three devices at once.

Comparison mode:

Display

Size:

5.0 inches
6.7 inches
6.2 inches

Resolution:

854 x 480 pixels, 196 PPI
3040 x 1440 pixels, 19:9 ratio, 502 PPI
2400 x 1080 pixels, 20:9 ratio, 424 PPI

Technology:

Dynamic AMOLED
Dynamic AMOLED

Refresh rate:

120Hz (adaptive)

Screen-to-body:

68.97 %
89.26 %
86.06 %

Peak brightness:

1300 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

MediaTek MT6580 (28 nm)
Qualcomm Snapdragon 855 (7 nm)
Qualcomm Snapdragon 888 (5 nm)

Processor:

Quad-core, 1300 MHz, ARM Cortex-A7, 32-bit
Octa-core, 2840 MHz, Kryo 485, 64-bit
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit

GPU:

Mali-400 MP1
Adreno 640
Adreno 660

RAM:

0.5GB
8GB
8GB LPDDR5

Internal storage:

4GB
256GB, available to use: 225 GB, not expandable
128GB (UFS 3.0), not expandable

Storage expansion:

microSDHC up to 64 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (6.0 Marshmallow)
Android (11, 10, 9.0 Pie), Samsung One UI
Android (12, 11), Samsung One UI

Battery

Capacity:

2200 mAh
4500 mAh
4000 mAh

Type:

Li - Polymer, User replaceable
Li - Ion, Not user replaceable
Li - Polymer, Not user replaceable

Charging:

Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Quad camera
Triple camera

Main camera:

5 MP (Autofocus)
12 MP (OIS, PDAF)
12 MP (OIS, PDAF)

Specifications:

Aperture size: F2.8
Aperture size: F1.5/F2.4; Focal length: 26 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Focal length: 26 mm; Sensor size: 1/1.76"; Pixel size: 1.8 μm

Second camera:

12 MP (Telephoto, OIS, PDAF)
64 MP (Telephoto, OIS, PDAF)

Specifications:

Optical zoom: 2.0x; Aperture size: F2.4; Focal Length: 52 mm; Sensor size: 1/3.6"; Pixel size: 1 μm
Aperture size: F2.0; Focal Length: 29 mm; Sensor size: 1/1.7"; Pixel size: 0.8 μm

Third camera:

16 MP (Ultra-wide)
12 MP (Ultra-wide, Autofocus)

Specifications:

Aperture size: F2.2; Focal Length: 12 mm; Sensor size: 1/3.1"; Pixel size: 1 μm
Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm

Fourth camera:

0.3 MP VGA (ToF 3D depth sensing)

Video recording:

1920x1080 (Full HD) (30 fps)
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)

Features:

Video calling, Video sharing
HDR, Time-lapse video, EIS, Video calling, Video sharing
OIS, HDR, Hyperlapse, Continuous autofocus, Video light, EIS

Front:

2 MP
10 MP (Dual-Camera, Autofocus, HDR)
10 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD)
3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.63 x 2.75 x 0.33 inches (143 x 69.9 x 8.5 mm)
6.40 x 3.04 x 0.31 inches (162.6 x 77.1 x 7.94 mm)
5.97 x 2.80 x 0.31 inches (151.7 x 71.2 x 7.9 mm)

Weight:

5.64 oz (160.0 g)
6.98 oz (198.0 g)
6.03 oz (171.0 g)

Materials:

Back: Glass (Corning Gorilla Glass 6); Frame: Aluminum
Back: Plastic; Frame: Aluminum

Resistance:

Water, Dust; IP68
Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
2D Face unlock, Ultrasonic in-screen fingerprint

Keys:

Left: Volume control, Lock/Unlock key
Left: Volume control; Right: Lock/Unlock key
Right: Volume control, Lock/Unlock key

Colors:

Black, Gold, Gray, Pink, Blue
Crown silver, Majestic black, Royal gold
Phantom pink, Violet, Gray, White

Cellular

5G:

n260, n261
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave

LTE (FDD):

Bands 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600)

LTE (TDD):

Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600)

UMTS:

Bands 5(850), 4(1700/2100), 2(1900)
Bands 1(2100), 2(1900), 5(850), 8(900)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)

Data Speed:

HSDPA+ (4G) 21.1 Mbit/s, UMTS
LTE-A Pro Cat 20 (2000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

HD Voice:

Yes

Multimedia

Headphones:

3.5mm jack
3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers
Earpiece, Multiple speakers

Features:

Album art cover, Background playback
32-Bit DAC, Dolby Atmos, aptX-HD
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation
for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.0
5.0
5.0

Wi-Fi:

802.11 b, g, n; Hotspot
802.11 a, b, g, n, ac, ax, dual-band; MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax (Wi-Fi 6), dual-band; MIMO, Wi-Fi Direct, Hotspot

USB:

microUSB, USB 2.0
Type-C (reversible), USB 3.1
Type-C (reversible), USB 3.2

Features:

Mass storage device, Charging
Charging, OTG, Video out
Charging, Headphones port, OTG, Video out

Location:

GPS, A-GPS
GPS, A-GPS, Glonass, Galileo, Cell ID, Wi-Fi positioning
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning

Sensors:

Accelerometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer

Other:

Tethering, Computer sync, OTA sync
NFC, ANT+, UMA (Wi-Fi Calling)
NFC, ANT+

Hearing aid compatible:

M4, T3
M3, T3

Phone features

Notifications:

Haptic feedback

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Apr 05, 2019
Dec 08, 2020

FCC ID value:

A3LSMG977U
A3LSMG991U

Measured SAR:

Head:

0.30 W/kg
0.36 W/kg

Body:

1.11 W/kg
1.08 W/kg

Simultaneous Transmission:

1.59 W/kg
3.96 W/kg

Wireless Router:

1.39 W/kg
1.09 W/kg

Phablet:

3.98 W/kg
2.49 W/kg

Buyers information

Price:

$ 1300
$ 800

In The Box:

Samsung special screen protector ( already on device ), Wall adapter/USB cable/USB connector, Quick reference guide, Important consumer safety information, Product safety, and warranty brochure
C to C Data Cable, Ejection Pin

Availability

Officially announced:

Feb 20, 2019
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless