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Samsung Galaxy S21 Ultra vs Samsung Galaxy S23 FE Specs Comparison

Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.

Comparison mode:
Specs Size
Differences only
9.1
Samsung Galaxy S21 Ultra
6.2
Samsung Galaxy S23 FE
Samsung Galaxy S21 Ultra Samsung Galaxy S23 FE
Released · Jan 29, 2021
Released · Oct 27, 2023
6.8-inch · 3200 x 1440 px
6.4-inch · 2340 x 1080 px
108 MP Main · 40 MP Selfie
50 MP Main · 10 MP Selfie
12GB · 128GB
8GB · 128GB
5000 mAh
4500 mAh
Check prices Check prices

Display

Size
6.8-inch 6.4-inch
Resolution
3200 x 1440 px, 20:9 ratio, 516 PPI 2340 x 1080 px, 29.5:9 ratio, 403 PPI
Technology
Dynamic AMOLED Dynamic AMOLED
Refresh rate
120Hz (adaptable) 120Hz
Screen-to-body
89.33 % 83.24 %
Peak brightness
1500 cd/m2 (nit) 1450 cd/m2 (nit)
Features
HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor HDR support, Scratch-resistant glass (Corning Gorilla Glass 5), Ambient light sensor, Proximity sensor

Hardware

System chip
Qualcomm Snapdragon 888 SM8350 (5 nm) Qualcomm Snapdragon 8 Gen 1 SM8450 (4 nm)
Processor
Octa-core, 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680, 64-bit Octa-core, 1x 2.8GHz Cortex-X2 + 3x 2.50GHz Cortex-A710 + 4x 1.8GHz Cortex-A510
GPU
Adreno 660 Adreno 730
RAM
12GB (LPDDR5) 8GB
Internal storage
128GB (UFS 3.1), not expandable 128GB, not expandable
OS
Android (14, 13, 12, 11), One UI Android (14, 13)
Device type
Smartphone Smartphone

Battery

Capacity
5000 mAh 4500 mAh
Type
Li - Polymer, Not user replaceable Li - Ion, 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: 15.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
6h 18min
Browsing
16h 15min
Video
8h 3min
Gaming
8h 50min
Find out more details about battery and charging for all phones we have tested on our PhoneArena Battery Score page.

Camera

Rear
Quad camera Triple camera
Main camera
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 		50 MP (OIS, PDAF)
Specifications:
Aperture size: F1.8
Pixel size: 1.0 μm
Second camera
10 MP (Telephoto, 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 		8 MP (Telephoto)
Specifications:
Optical zoom: 3.0x
Aperture size: F2.4
Pixel size: 1.0 μm
Third 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 		12 MP (Ultra-wide)
Specifications:
Aperture size: F2.2
Pixel size: 1.12 μm
Fourth 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
Flash
LED LED
Video recording
7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps)
Features:
OIS, HDR, Hyperlapse, Video light, EIS 		7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps)
Front
40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) 10 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
137
Overall
146
Photo
128
Video
Find out more details about photo and video scores for all phones we have tested on our PhoneArena Camera Score page.

Design

Dimensions
6.50 x 2.98 x 0.35 inches
(165.1 x 75.6 x 8.9 mm)
thickness with camera 0.37 inches (9.4 mm) 		6.22 x 3.01 x 0.32 inches
(158 x 76.5 x 8.2 mm)
Weight
8.04 oz(229.0 g) 7.37 oz(209.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum 		Back: Glass (Corning Gorilla Glass 5)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP68
Biometrics
2D Face unlock, Ultrasonic in-screen fingerprint Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key Right: Volume control, Lock/Unlock key
Colors
Phantom black, Silver

Cellular

5G
Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave Bands n1, n2, n3, n5, n7, n8, n20, n28, n38, n40, n41, n66, n77, n78, 5G Ready
4G (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), 17(700 b), 20(800 DD), 26(850+), 28(700 APT), 66(AWS-3)
4G (TDD)
Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) Bands 38(2600), 40(2300), 41(2600+)
3G
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900)
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM Nano SIM, eSIM

Multimedia

Headphones
No 3.5mm jack No 3.5mm jack
Speakers
Earpiece, Multiple speakers Earpiece, Multiple speakers
Features
32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus
Screen mirroring
Wireless screen share Wireless screen share
Radio
FM, Stereo, RDS
Additional microphone(s)
Noise cancellation, Video recording Noise cancellation

Connectivity & Features

Bluetooth
5.1 5.3
Wi-Fi
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 6E
Wi-Fi Direct, Hotspot
USB
Type-C (reversible), USB 3.2, Features: Charging, Headphones port, OTG, Video out Type-C (reversible), Features: Charging
Hearing aid compatible
M3/T3
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer Accelerometer, Gyroscope, Compass
Other
NFC, ANT+ NFC

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020
FCC ID value: A3LSMG998U
Measured SAR
Head: 0.77 W/kg
Body: 1.02 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.16 W/kg
Phablet: 3.15 W/kg

Buyers information

MSRP
$ 1200 / € 1399 $ 599
In The Box
C to C Data Cable, Ejection Pin Phone, Type-C cable, Sim ejector, Papers

Availability

Officially announced
Jan 14, 2021 Oct 04, 2023

Alternative variants

with 256GB storage
Internal storage 256GB
Colors Phantom black
MSRP $ 1250
With 256GB internal storage
Internal storage 256GB
with 512GB storage
RAM 16GB
Internal storage 512GB
Colors Phantom black
MSRP $ 1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core, 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz Cortex-A55, 64-bit
GPU Mali G78 MP14
Weight 8.01 oz(227.0 g)
5G Bands SA, NSA, Sub-6
FCC approval Date approved: Dec 22, 2020
FCC ID value: A3LSMG998B
Measured SAR Head: 0.16 W/kg
Body: 0.72 W/kg
Simultaneous Transmission: 1.59 W/kg
Wireless Router: 1.34 W/kg
Phablet: 3.86 W/kg
FCC OKs Cingular\'s purchase of AT&T Wireless