Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Flip 7 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.

9.1
Samsung Galaxy S21 Ultra
7.0
Samsung Galaxy Z Flip 7
Samsung Galaxy S21 Ultra Samsung Galaxy Z Flip 7
Released · Jan 29, 2021
Released · Jul 25, 2025
6.8-inch
6.9-inch
Quad camera
Dual camera
12GB · 128GB
12GB · 256GB
5000 mAh
4300 mAh
Check prices Check prices

Availability

Officially announced
Jan 14, 2021 Jul 09, 2025
Prices (MSRP)
$1200 | €1399 $1099

Design

Dimensions
6.50 x 2.98 x 0.35 inches (~0.37 inches with camera bump)
165.1 x 75.6 x 8.9 mm (~9.4 mm with camera bump)
6.56 x 2.96 x 0.26 inches (~0.34 inches with camera bump)
166.7 x 75.2 x 6.5mm (~8.6 mm with camera bump)
Folded
33.66 x2.96 x5.22 inches (85.5 x 72.2 x 13.27 mm)
Weight
8.04 oz (229.0 g) 6.63 oz (188.0 g)
Materials
Back: Glass (Corning Gorilla Glass Victus)
Frame: Aluminum
Back: Glass (Corning Gorilla Glass Victus 2)
Frame: Aluminum
Resistance
Water, Dust; IP68 Water, Dust; IP48
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 Blue Shadow, Jetblack, Coralred, Mint

Display

Size
6.8-inch, 89.33% screen-to-body 6.9-inch, 88.78% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits Dynamic AMOLED, 120Hz, HDR, 2600 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI 2520x1080px, 21:9 ratio, 397 PPI
Protection
Corning Gorilla Glass Victus
Features
Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
4.1 inches
1048 x948 px
Super AMOLED
120Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass Victus 2)

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Exynos 2500 S5E9955 (3 nm)
Processor
Octa-core
1x2.84GHz Kryo 680
3x2.42GHz Kryo 680
4x1.80GHz Kryo 680
Deca-core
1x3.3GHz Cortex-X925
2x2.7​4GHz Cortex-A725
5x2.3​6GHz Cortex-A725
2x1.8​GHz Cortex-A520
GPU
Adreno 660 Xclipse 950
Memory
12GB (LPDDR5)/128GB (UFS 3.1)
12GB/256GB
16GB/512GB
12GB (LPDDR5X)/256GB (UFS 4.0)
12GB/512GB
Storage expansion
not expandable not expandable
OS
Android (14, 13, 12, 11) Android (16)

Battery

Type
5000 mAh, Li - Polymer 4300 mAh, Li - Ion
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
Charge speed
Wired: 25.0W
Wireless: 15.0W
Wired: 25.0W
Wireless: 10.0W
PhoneArena Battery Tests
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Battery Life Estimate
7h 3min
Browsing
18h 58min
Video
9h 32min
Gaming
7h 31min

Camera

Rear
Quad camera Dual camera
Main camera
108 MP (OIS, Laser and PDAF)
Aperture size: F1.8
Focal length: 24 mm
Sensor size: 1/1.33"
Pixel size: 0.8 μm
50 MP (OIS, PDAF)
Aperture size: F1.8
Pixel size: 1.0 μm
Second camera
12 MP (Ultra-wide, PDAF)
Aperture size: F2.2
Focal Length: 13 mm
Sensor size: 1/2.55"
Pixel size: 1.4 μm
12 MP (Ultra-wide)
Aperture size: F2.2
Pixel size: 1.12 μm
Third camera
10 MP (Telephoto, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Fourth camera
10 MP (Telephoto, Periscope, OIS, PDAF)
Optical zoom: 3.0x
Aperture size: F2.4
Focal Length: 70 mm
Sensor size: 1/3.2"
Pixel size: 1.22 μm
Flash
LED LED
Video recording
8K UHD (24 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps)
OIS, HDR, Hyperlapse, Video light, EIS
Yes
HDR, Continuous autofocus, Picture-taking during video recording
Front
40 MP (PDAF, HDR)
Video capture: 4K UHD (60 fps)
10 MP
PhoneArena Camera Tests
N/A
Overall
N/A
Photo
N/A
Video
139
Overall
146
Photo
133
Video

Connectivity & Features

Bluetooth
5.1 5.4
WLAN
a,b,g,n,ac,Wi-Fi 6,dual-band
MIMO, Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
a,b,g,n,ac,Wi-Fi 6,Wi-Fi 7
Wi-Fi Direct, Hotspot
802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2 Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer, Ambient light sensor, Proximity sensor
Hearing aid compatible
M3/T3 M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, ANT+ NFC

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 aptX, aptX-HD

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave n1, n2, n5, n7, n25, n28, n41, n66, n71, n78, n258, n260, n261, SA, NSA, Sub-6, mmWave
4G (FDD) Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66
4G (TDD) Bands
38, 39, 40, 41, 46, 48 38, 39, 40, 41, 48
3G Bands
1, 2, 4, 5, 8 1, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s) LTE-A Pro Cat 20 (2000/150 Mbit/s)
SIM type
Nano SIM Nano SIM, eSIM

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

Alternative variants

with 256GB storage
Memory 256GB
Colors Phantom black
Prices (MSRP) $1250
With 512GB internal storage
Memory 512GB
with 512GB storage
Memory 16GB/512GB
Colors Phantom black
Prices (MSRP) $1380
for Europe
System chip Samsung Exynos 2100 (5 nm)
Processor Octa-core
1x2.91GHz Cortex-X1
3x2.81G​Hz Cortex-A78
4x2.2G​Hz Cortex-A55
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