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GIGABYTE GSmart Alto A2 vs Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Fold 3

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

Comparison mode:

Display

Size:

5.0 inches
6.8 inches
7.6 inches

Resolution:

854 x 480 pixels, 196 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI
2208 x 1768 pixels, 22.5:18 ratio, 372 PPI

Technology:

TFT
Dynamic AMOLED
Super AMOLED

Refresh rate:

120Hz (adaptable)
120Hz

Screen-to-body:

66.80 %
89.33 %
88.57 %

Colors:

16 777 216

Peak brightness:

1500 cd/m2 (nit)

Touchscreen:

Capacitive, Multi-touch

Features:

Ambient light sensor, Proximity sensor
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor
Folding inside the device, Ambient light sensor, Proximity sensor

Front cover display:

6.2 inches, 2268 x 832 pixels, Super AMOLED, 120Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass Victus)

Hardware

System chip:

MediaTek MT6572
Qualcomm Snapdragon 888
Qualcomm Snapdragon 888 SM8350

Processor:

Dual-core, 1300 MHz, ARM Cortex-A7
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm
Octa-core, 2840 MHz, Kryo 680 Prime, 64-bit, 5 nm

GPU:

Mali-400
Adreno 660
Adreno 660

RAM:

1GB LPDDR2
12GB LPDDR5
12GB

ROM:

4096 MB

Internal storage:

128GB (UFS 3.1), not expandable
256GB, not expandable

Storage expansion:

microSDHC up to 32 GB

Device type:

Smartphone
Smartphone
Smartphone

OS:

Android (4.2)
Android (12, 11), Samsung One UI
Android (11)

Battery

Capacity:

2000 mAh
5000 mAh
4400 mAh

Type:

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

Charging:

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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W
Wired: 25.0W; Wireless: 11.0W

Camera

Rear:

Single camera
Quad camera
Triple camera

Main camera:

5 MP (Autofocus)
108 MP (OIS, Laser and PDAF)
12 MP (Autofocus)

Specifications:

Aperture size: F1.8; Focal length: 24 mm; Sensor size: 1/1.33"; Pixel size: 0.8 μm
Aperture size: F2.2; Pixel size: 1.12 μm

Second camera:

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

Specifications:

Optical zoom: 3.0x; Aperture size: F2.4; Focal Length: 70 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm
Optical zoom: 2.0x; Aperture size: F2.4; Pixel size: 1.0 μm

Third camera:

12 MP (Ultra-wide, PDAF)
12 MP (Ultra-wide, OIS)

Specifications:

Aperture size: F2.2; Focal Length: 13 mm; Sensor size: 1/2.55"; Pixel size: 1.4 μm
Aperture size: F1.8; Pixel size: 1.8 μm

Fourth camera:

10 MP (Periscope, OIS, PDAF)

Specifications:

Optical zoom: 10.0x; Aperture size: F4.9; Focal Length: 240 mm; Sensor size: 1/3.2"; Pixel size: 1.22 μm

Video recording:

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

Features:

OIS, HDR, Hyperlapse, Video light, EIS

Front:

0.3 MP VGA
40 MP (PDAF, HDR)
4 MP (Under-screen)

Folded:

10 MP

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

5.75 x 2.78 x 0.37 inches (146 x 70.6 x 9.3 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)
6.23 x 5.04 x 0.25 inches (158.2 x 128.1 x 6.4 mm)

Folded:

(158.2 x 67.1 x 14.4 mm)

Weight:

8.04 oz (229.0 g)
9.56 oz (271.0 g)

Materials:

Back: Glass (Corning Gorilla Glass Victus); Frame: Aluminum
Back: Glass; Frame: Aluminum

Resistance:

Water, Dust; IP68
Yes; IPX8

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint
Fingerprint (touch)

Keys:

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

Colors:

Phantom black, Silver
Phantom Black, Phantom Green, Phantom Silver

Cellular

5G:

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

LTE (FDD):

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)
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 8(900), 1(2100)
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Bands 1(2100), 2(1900), 5(850), 8(900), 9(1700)

Data Speed:

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

Dual SIM:

Yes

SIM type:

Nano SIM
Nano SIM

Multimedia

Headphones:

3.5mm jack
No 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, Dolby Digital, Dolby Digital Plus
Dolby Atmos, aptX, aptX-HD

Screen mirroring:

Wireless screen share
Wireless screen share

Radio:

FM
FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording
for Noise cancellation

Connectivity & Features

Bluetooth:

3.0
5.1
5.2

Wi-Fi:

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

USB:

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

Features:

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

Location:

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

Sensors:

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

Other:

Tethering, Computer sync, OTA sync
NFC, ANT+
NFC

Hearing aid compatible:

M3, T3

Phone features

Notifications:

Haptic feedback, Music ringtones (MP3), Polyphonic ringtones, Vibration, Flight mode, Silent mode, Speakerphone

Other features:

Voice dialing, Voice commands, Voice recording

Regulatory Approval

FCC approval:

Date approved:

Dec 22, 2020
Jun 23, 2021

FCC ID value:

A3LSMG998U
A3LSMF926U

Measured SAR:

Head:

0.77 W/kg
0.73 W/kg

Body:

1.02 W/kg
0.86 W/kg

Simultaneous Transmission:

1.59 W/kg
1.22 W/kg

Wireless Router:

1.16 W/kg
0.79 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jan 14, 2021
Aug 11, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless