Samsung Galaxy S21 Ultra vs Motorola Razr Ultra (2025) Specs Comparison

Availability

Officially announced
Jan 14, 2021	Apr 24, 2025
Prices (MSRP)
12GB/128GB - $1200 | €1399 12GB/256GB - $1250 16GB/512GB - $1380	16GB/512GB - $1300 16GB/1TB - $1499

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)	6.75 x 2.91 x 0.28 inches 171.48 x 73.99 x 7.19 mm
Folded
	3.46 x2.91 x0.61 inches (88.12 x 73.99 x 15.69 mm)
Weight
8.04 oz / 229.0 g Europe version - 227 g	7.02 oz / 199.0 g
Materials
Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum	Back: Glass, Vegan Leather Frame: Aluminum
Resistance
Water, Dust; IP68	Water; 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

Display

Size
6.8-inch, 89.33% screen-to-body	7.0-inch, 85.19% screen-to-body
Type
Dynamic AMOLED, 120Hz, HDR, 1500 nits	LTPO, 165Hz, HDR, 4500 nits
Resolution
3200x1440px, 20:9 ratio, 516 PPI	2640x1080px, 22:9 ratio, 407 PPI
Protection
Corning Gorilla Glass Victus
Features
	Folding inside the device, HDR support, Ambient light sensor, Proximity sensor
Front cover display
	4.0 inches 1272 x1080 px P-OLED

PhoneArena Display Test

Bright Max (20% APL)
Untested	2424 (Excellent)
Bright Min
1.5 (Good)	2 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 888 SM8350 (5 nm) Europe version - Exynos 2100 S5E9840	Snapdragon 8 Elite SM8750-AB (3 nm)
Processor
Octa-core 1x2.84GHz Kryo 680 3x2.42GHz Kryo 680 4x1.80GHz Kryo 680 Europe version - Octa-core, 1x2.91GHz Cortex-X1, 3x2.81G​Hz Cortex-A78, 4x2.2G​Hz Cortex-A55	Octa-core 2x4.32GHz Oryon V2 Phoenix L 6x3.53GHz Oryon V2 Phoenix M
GPU
Adreno 660 Europe version - Mali-G78 MP14	Adreno 830
Memory
12GB (LPDDR5)/128GB (UFS 3.1) 12GB/256GB 16GB/512GB	16GB (LPDDR5X)/512GB (UFS 4.0) 16GB/1024GB
Storage expansion
not expandable
OS
Android (14, 13, 12, 11)	Android (15)

PhoneArena Performance Test

GeekBench 6 Single
1117	2847
GeekBench 6 Multi
3312	8612
3D Mark High
1963	5910
3D Mark Low
1179	3787

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5000 mAh, Li - Polymer	4700 mAh, Li - Ion
Charging
Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging Qi and Powermat wireless charging, Reverse wireless charging	Motorola TurboPower Qi wireless charging, Reverse wired charging
Charge speed
Wired: 25.0W Wireless: 15.0W	Wired: 68.0W Wireless: 30.0W

PhoneArena Battery Tests

Battery Life Estimate

6h 15min

Browsing

14h 43min

Video

8h 52min

Gaming

8h 40min

Battery Life Estimate

7h 17min

Browsing

23h 51min

Video

6h 16min

Gaming

10h 21min

Learn more on our PhoneArena Battery Test Results page

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 Focal length: 24 mm Sensor size: 1/1.56" 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	50 MP (Ultra-wide, PDAF) Aperture size: F2.0 Focal Length: 12 mm Pixel size: 0.6 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: 10.0x 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 (60 fps)
Front
40 MP (PDAF, HDR) Video capture: 4K UHD (60 fps)	50 MP

PhoneArena Camera Tests

N/A

Overall

N/A

Photo

N/A

Video

134

Overall

144

Photo

125

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
5.1	5.4
WLAN
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 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C, USB 3.2	Type-C
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
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

Cellular

5G Bands
n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave	n1, n2, n3, n5, n7, n8, n12, n13, n14, n20, n25, n28, n29, n30, n38, n40, n41, n50, n66, n70, n71, n77, n78, 5G Ready
LTE Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71	1, 2, 3, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71
TDD Bands
38, 39, 40, 41, 46, 48	38, 39, 40, 41, 46, 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), HSDPA+ (4G) 42.2 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

Discover more

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