LG Exalt LTE vs Samsung A157 vs Samsung Galaxy S21 Ultra

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

Comparison mode:

Display

Size:

3.0 inches
1.8 inches
6.8 inches

Resolution:

400 x 240 pixels, 155 PPI
160 x 128 pixels, 116 PPI
3200 x 1440 pixels, 20:9 ratio, 516 PPI

Technology:

TFT
TFT
Dynamic AMOLED

Screen-to-body:

41.98 %
21.69 %
89.33 %

Colors:

262 144

Peak brightness:

1500 cd/m2 (nit)

Features:

120Hz refresh rate (adaptable), HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor

Hardware

System chip:

Qualcomm Snapdragon
Qualcomm Snapdragon 888

Processor:

Quad-core, 1100 MHz
Single core, 416 MHz
Octa-core, 2840 MHz, Kryo 680, 64-bit, 5 nm

GPU:

Adreno 660

RAM:

12GB LPDDR5

Internal storage:

8GB, available to use: 4.3 GB
0.256GB
128GB (UFS 3.1), not expandable

Storage expansion:

microSDHC up to 32 GB

Device type:

Feature phone
Basic phone
Smartphone

OS:

Android (11), Samsung One UI

Battery

Capacity:

1470 mAh
800 mAh
5000 mAh

Type:

Li - Ion, User replaceable
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

Max charge speed:

Wired: 25.0W; Wireless: 15.0W

Camera

Rear:

Single camera
Quad camera

Main camera:

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

Specifications:

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

Second camera:

10 MP (Telephoto, OIS, PDAF)

Specifications:

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

Third camera:

12 MP (Ultra-wide, PDAF)

Specifications:

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

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

Features:

Picture-taking during video recording
OIS, HDR, Hyperlapse, Video light, EIS

Front:

40 MP (PDAF, HDR)

Video capture:

3840x2160 (4K UHD) (60 fps)

Design

Dimensions:

4.44 x 2.13 x 0.69 inches (112.8 x 54.1 x 17.5 mm)
3.83 x 1.84 x 0.65 inches (97 x 47 x 17 mm)
6.50 x 2.98 x 0.35 inches (165.1 x 75.6 x 8.9 mm)

Weight:

4.59 oz (130.0 g)
2.99 oz (85.0 g)
8.04 oz (229.0 g)

Materials:

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

Resistance:

Water, Dust; IP68

Biometrics:

2D Face unlock, Ultrasonic in-screen fingerprint

Features:

Soft keys, Notification light

Keys:

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

Colors:

Silver
Phantom black, Silver

Cellular

5G:

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

LTE (FDD):

Bands 4(AWS-1), 5(850), 13(700 c)
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)

UMTS:

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

Data Speed:

LTE, HSPA, UMTS
UMTS
LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s, UMTS

SIM type:

Nano SIM

HD Voice:

Yes

VoLTE:

Yes

Multimedia

Headphones:

3.5mm jack
No 3.5mm jack

Speakers:

Earpiece, Loudspeaker
Earpiece, Multiple speakers

Features:

32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus

Screen mirroring:

Wireless screen share

Radio:

FM, Stereo, RDS

Additional microphone(s):

for Noise cancellation, Video recording

Connectivity & Features

Bluetooth:

4.1
5.1

Wi-Fi:

802.11 b, g, n; 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 3.2

Features:

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

Location:

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

Sensors:

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

Other:

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

Hearing aid compatible:

M3, T4
M4
M3, T3

Phone features

Notifications:

Music ringtones
Flight mode, Speakerphone

Other features:

Voice commands, Voice recording, TTY/TDD
TTY/TDD

Regulatory Approval

FCC approval:

Date approved:

Jul 10, 2017
Feb 16, 2012
Dec 22, 2020

FCC ID value:

ZNFVN220
A3LSGHA157
A3LSMG998U

Measured SAR:

Head:

0.10 W/kg
0.34 W/kg
0.77 W/kg

Body:

0.14 W/kg
0.67 W/kg
1.02 W/kg

Simultaneous Transmission:

1.45 W/kg
1.59 W/kg

Wireless Router:

0.15 W/kg
1.16 W/kg

Phablet:

3.15 W/kg

Buyers information

Price:

$ 1200

In The Box:

C to C Data Cable, Ejection Pin

Availability

Officially announced:

Jun 16, 2017
Jan 14, 2021
FCC OKs Cingular\'s purchase of AT&T Wireless