Samsung Galaxy S21 Ultra vs Samsung Galaxy Z Fold 6 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	6.9
Samsung Galaxy S21 Ultra	Samsung Galaxy Z Fold 6
Released · Jan 29, 2021	Released · Jul 24, 2024
6.8-inch · 3200x1440px	7.6-inch · 2160x1856px
Quad camera	Triple camera
12GB · 128GB	12GB · 256GB
5000 mAh	4400 mAh
Check prices	Check prices

Availability

Officially announced
Jan 14, 2021	Jul 10, 2024
Prices (MSRP)
$1200 \| €1399	$1900 \| €1900

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)	6.04 x 5.22 x 0.22 inches (~0.26 inches with camera bump) 153.5 x 132.6 x 5.6 mm (~6.7 mm with camera bump)
Folded
	6.04 x2.68 x0.47 inches (153.5 x 68.1 x 12.1 mm)
Weight
8.04 oz / 229.0 g	8.43 oz / 239.0 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	Silver Shadow, Pink, Navy, Crafted Black, White

Display

Size
6.8-inch, 89.33% screen-to-body	7.6-inch, 90.56% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits	Dynamic AMOLED, 120Hz, HDR, 2600 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI	2160x1856px, 21.9:18 ratio, 375 PPI
Protection
Corning Gorilla Glass Victus
Features
	Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
	6.3 inches 2376 x968 px Dynamic AMOLED 120Hz refresh rate, Scratch-resistant glass (Corning Gorilla Glass Victus 2), Ambient light sensor, Proximity senso

PhoneArena Display Test

Bright Max (20% APL)
Untested	2520 (Excellent)
Bright Min
1.5 (Good)	1 (Excellent)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 SM8350 (5 nm)	Snapdragon 8 Gen 3 for Galaxy SM8650-AC (4 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680	Octa-core 1x3.40GHz Cortex-X4 3x3.15GHz Cortex-A720 2x2.96GHz Cortex-A720 2x2.27GHz Cortex-A520
GPU
Adreno 660	Adreno 750
Memory
12GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB 16GB/512GB	12GB (LPDDR5X)/256GB (UFS 4.0) 12GB/512GB 12GB/1024GB
Storage expansion
not expandable	not expandable
OS
Android (14, 13, 12, 11)	Android (15, 14)

PhoneArena Performance Test

GeekBench 6 Single
1117	2252
GeekBench 6 Multi
3312	6796
3D Mark High
1963	4785
3D Mark Low
1179	2692

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh, Li - Polymer	4400 mAh, Li - Polymer
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: 15.0W

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

5h 33min

Browsing

12h 42min

Video

7h 1min

Gaming

10h 30min

Camera

Rear
Quad camera	Triple 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 Focal length: 23 mm Sensor size: 1/1.57" 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 (Telephoto, OIS, PDAF) Aperture size: F2.2 Focal Length: 12 mm Sensor size: 1/3.2" 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	10 MP (Telephoto) Optical zoom: 3.0x Aperture size: F2.4 Focal Length: 66 mm Sensor size: 1/3.94" Pixel size: 1.0 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	8K UHD (30 fps), 4K UHD (60 fps), 1080p (240 fps), 720p (960 fps) Continuous autofocus, EIS, 10-bit HDR
Front
40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	4 MP (Under-screen, HDR) Folded: 10 MP Video capture: 4K UHD (30 fps)

N/A

Overall

N/A

Photo

N/A

Video

142

Overall

147

Photo

136

Video

Connectivity & Features

Bluetooth
5.1	5.3
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 6E 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	Dolby Atmos, 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, n77, 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, 2, 4, 5, 8
Data Speed
LTE-A Pro Cat 20 (2000/150 Mbit/s)	LTE-A Pro Cat 20 (2000/150 Mbit/s), LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM	Dual Nano SIM + eSIM

Regulatory Approval

FCC approval
Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U	Date approved: May 31, 2024 FCC ID value: A3LSMF956U
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	Head: 1.08 W/kg Body: 1.14 W/kg Simultaneous Transmission: 1.58 W/kg

Alternative variants

with 256GB storage


Memory	256GB
Colors	Phantom black
Prices (MSRP)	$1250

With 512GB internal storage


Memory	512GB
Prices (MSRP)	$2019

with 512GB storage


Memory	16GB/512GB
Colors	Phantom black
Prices (MSRP)	$1380

With 1TB internal storage


Memory	1024GB
Prices (MSRP)	$2259

for Europe


System chip	Samsung Exynos 2100 (5 nm)
Processor	Octa-core 1x2.91GHz Cortex-X1 3x2.81GHz Cortex-A78 4x2.2GHz 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

Links

Full specifications
Samsung Galaxy S21 Ultra Specs	Samsung Galaxy Z Fold 6 Specs
PhoneArena Review
Samsung Galaxy S21 Ultra Review	Samsung Galaxy Z Fold 6 Review
User Reviews
Samsung Galaxy S21 Ultra User Reviews	Samsung Galaxy Z Fold 6 User Reviews