Asus ROG Phone 5 Ultimate vs Samsung Galaxy S21 Ultra

Comparing the Asus ROG Phone 5 Ultimate vs Samsung Galaxy S21 Ultra across performance, display, camera, battery, storage and user rating to help determine the better smartphone.

Here is the summary of the results:

Performance: Samsung Galaxy S21 Ultra runs at a higher processing speed of 2.9 GHz, while Asus ROG Phone 5 Ultimate runs at 2.84 GHz, making Samsung Galaxy S21 Ultra the better performer.

Display: Samsung Galaxy S21 Ultra offers a screen size of 6.8 inches, while Asus ROG Phone 5 Ultimate offers 6.78 inches, making Samsung Galaxy S21 Ultra the larger display of the two. Samsung Galaxy S21 Ultra features a Dynamic AMOLED 2x display compared to Asus ROG Phone 5 Ultimate's AMOLED, making Samsung Galaxy S21 Ultra the better display of the two.

Rear Camera: Samsung Galaxy S21 Ultra offers a higher rear camera resolution with 108 MP, while Asus ROG Phone 5 Ultimate offers 64 MP, making Samsung Galaxy S21 Ultra better for rear camera photography.

Front Camera: Samsung Galaxy S21 Ultra offers a higher front camera resolution with 40 MP, while Asus ROG Phone 5 Ultimate offers 24 MP, making Samsung Galaxy S21 Ultra better for front camera photography.

Battery: Samsung Galaxy S21 Ultra delivers longer battery life with 10h 37m, while Asus ROG Phone 5 Ultimate delivers None, making Samsung Galaxy S21 Ultra the better pick for all day usage.

Storage: Asus ROG Phone 5 Ultimate offers higher internal storage with 512 GB, while Samsung Galaxy S21 Ultra offers 256 GB, making Asus ROG Phone 5 Ultimate the better option for storage.

User Rating: Asus ROG Phone 5 Ultimate receives a higher user rating of 4.6, while Samsung Galaxy S21 Ultra has a rating of 4.2.

Asus ROG Phone 5 Ultimate

₹85,999

(Out of Stock)

Samsung Galaxy S21 Ultra

₹128,999

(Out of Stock)

Summary

Release Date

10 Mar, 2021

27 Jan, 2021

06 May, 2026

Performance


Snapdragon 888	Samsung Exynos 2100	Snapdragon 8 Gen 5
Octa Core (upto 2.84 GHz)	Octa Core (upto 2.9 GHz)	Octa Core (upto 3.8 GHz)
18 GB RAM	12 GB RAM	12 GB RAM

Display


6.78 inches (17.22 cm)	6.8 inches (17.27 cm)	6.31 inches (16.03 cm)
AMOLED	Dynamic AMOLED 2x	AMOLED
1080x2448 px (FHD+)	1440x3200 px (QHD+)	1216x2640 px (FHD+)
144 Hz Refresh Rate	120 Hz Refresh Rate	120 Hz Refresh Rate

Rear Camera


64 MP Wide Angle Primary Camera	108 MP Wide Angle Primary Camera	50 MP Primary Camera
13 MP Ultra-Wide Angle Camera	12 MP Ultra-Wide Angle Camera	50 MP Telephoto Camera (upto 3x Optical Zoom)
5 MP Macro Camera	10 MP Telephoto Camera (upto 3x Optical Zoom)	8 MP Ultra-Wide Angle Camera
N/A	10 MP Camera (upto 10x Optical Zoom)	N/A

Front Camera


24 MP Wide Angle Lens	40 MP Wide Angle Lens	50 MP

Battery


6000 mAh	5000 mAh	6500 mAh
65W Hyper Charging	25W Fast Charging	90W Flash Charging
N/A	Wireless Charging	Wireless Charging

Storage

512 GB	256 GB	256 GB
UFS 3.1	UFS 3.1	UFS 4.1

Expert Review

N/A

8.0/10

Read Expert Review

8.4/10

Read Expert Review

Pros

Device yet to be reviewed

Flagship-grade performance
Great cameras
Stunning display
Long-lasting battery life

Compact, premium design
Excellent battery life
Reliable performance
Strong portrait photography

Cons

Device yet to be reviewed

Uneven weight distribution
No expandable storage
Purple-sky effect in lowlight scenarios

Video recording inconsistencies
Colours can be slightly oversaturated

User Ratings

4.6/5

(72 ratings)

4.2/5

(1,169 ratings)

4.4/5

(109 ratings)

Benchmarks (The higher, the better)

N/A	646,482 AnTuTu Score	3,000,897 AnTuTu Score
N/A	10h 37m Battery Life (PC Mark)	16h 04m Battery Life (PC Mark)

Compare Prices

Not Available in any store

₹79,999

@ Amazon

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General

Launch Date

Mar 10, 2021

(Official)

Jan 27, 2021

(Official)

May 06, 2026

(Official)

Operating System

Android v11

Android v16

OS Updates

N/A

5 Year

Security Updates

N/A

7 Year

Custom UI

ROG UI

Samsung One UI

Origin OS

Performance

Performance Rating

Very Good

Excellent

Chipset

Qualcomm Snapdragon 888

Samsung Exynos 2100

Qualcomm Snapdragon 8 Gen 5 SM8845

Processor

Octa core

2.84 GHz, Single core, Kryo 680 2.42 GHz, Tri core, Kryo 680 1.8 GHz, Quad core, Kryo 680

Octa core

2.9 GHz, Single core, Cortex X1 2.8 GHz, Tri core, Cortex A78 2.2 GHz, Quad core, Cortex A55

Octa core

3.8 GHz, Dual core, Oryon V3 Phoenix L 3.32 GHz, Hexa Core, Oryon V3 Phoenix M

Architecture (The higher, the better)

64 bit

Fabrication (The lower, the better)

5 nm

3 nm

Graphics (GPU)

Adreno 660

Mali-G78 MP14

Adreno 829

RAM

18 GB

12 GB / 16 GB

12 GB

RAM Type

LPDDR5

LPDDR5X Ultra

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

N/A

646,482

3,000,897

Bootup Time (The lower, the better)

N/A

34.0 s

14.0 s

Gaming Test Results

Wild Life Extreme (The higher, the better) Wild Life Extreme is a classic mobile benchmark; it renders in 4K to test the peak performance of a wide range of devices.

N/A

4,004

Battery Drain* (The lower, the better)

N/A

8.0 %

5.0 %

Heating* (The lower, the better)

N/A

23.5 %

17.4 %

* after 30 mins of gaming

Display

Display Rating

Excellent

Best In Class

Display Type

AMOLED

Dynamic AMOLED 2x

AMOLED

Screen Size

6.78 inches (17.22 cm)

6.8 inches (17.27 cm)

6.31 inches (16.03 cm)

Resolution

1080x2448 px (FHD+)

1440x3200 px (QHD+)

1216x2640 px (FHD+)

Brightness

800 nits

1500 nits

N/A

Peak Brightness

N/A

5000 nits

Refresh Rate

144 Hz

120 Hz

Aspect Ratio

20:4:9

20:9

19.5:9

Pixel Density

395 ppi

516 ppi

460 ppi

Screen to Body Ratio (calculated)

81.95 %

89.44 %

90.11 %

Screen Protection

Corning Gorilla Glass

Corning Gorilla Glass Glass Victus

N/A

Bezel-less Display

Yes

Yes with punch-hole display

HDR 10 / HDR+ Support

Yes HDR 10+

Screen to Body Ratio (claimed by the brand)

N/A

94.38 %

Design

Height

172.8 mm

165.1 mm

150.83 mm

Width

77.2 mm

75.6 mm

71.76 mm

Thickness

10.2 mm

8.9 mm

7.99 mm

Weight

238 grams

227 grams

191 grams

Build Material

Back: Gorilla Glass

Back: Glass

Water Resistance

N/A

Yes Water resistant IP68 (up to 30 minutes in a depth of 1.5 meter)

Yes Water resistant IP68 IP69 (up to 30 minutes in a depth of 1.5 meter)

Ruggedness

N/A

Dust proof

Rear Camera

Rear Camera Rating

Very Good

Excellent

Resolution

64 MP
Primary Cameraf/1.8 Wide Angle26 mm focal length 1/1.7" sensor size IMX686 Exmor-RS CMOS Sensor 0.8µm pixel size

108 MP
Primary Cameraf/1.8 Wide Angle26 mm focal length 1/1.33" sensor size S5KHM3 ISOCELL Plus 0.8µm pixel size

50 MP
Primary Cameraf/1.57IMX921

13 MP
f/2.4 Ultra-Wide Angle Camera11 mm focal length

12 MP
f/2.2 Ultra-Wide Angle Camera13 mm focal length 1/2.55" sensor size 1.4µm pixel size

50 MP
f/2.65 Telephoto Camera

5 MP
f/2.0 Macro Camera

10 MP
Telephoto Camera72 mm focal length 1/3.24" sensor size 1.22µm pixel size

8 MP
f/2.2 Ultra-Wide Angle Camera

N/A

10 MP
f/4.91/3.24" sensor size 1.22µm pixel size

N/A

Autofocus

Yes

Yes Phase Detection Autofocus Laser Autofocus

Yes

OIS

N/A

Yes

Flash

Yes LED Flash

Yes Dual LED Flash

Image Resolution

9000 x 7000 Pixels

12000 x 9000 Pixels

N/A

Settings

Exposure compensation ISO control

N/A

Shooting Modes

Continuous Shooting
High Dynamic Range mode (HDR)

N/A

Camera Features

Digital Zoom
Auto Flash
Face detection
Touch to focus

N/A

Video Recording

8k @30 fps
4k @30 fps

8k @24 fps
4k @30 fps
Full HD @60 fps
HD @960 fps

8k @30 fps
4k @30/60 fps
Full HD @30/60/120 fps

Video Recording Features

N/A

Slow Motion
Video HDR
Bokeh portrait video
Video Pro Mode

N/A

Front Camera

Front Camera Rating

Very Good

Excellent

Best In Class

Resolution

24 MP
f/2.5 Wide Angle Primary Camera27 mm focal length 0.9µm pixel size

40 MP
f/2.2 Wide Angle Primary Camera26 mm focal length 1/2.8" sensor size 0.7µm pixel size

50 MP
f/2.0 Primary Camera

Autofocus

N/A

Yes Phase Detection Autofocus

Yes

Flash

N/A

Yes Screen flash

Video Recording

Full HD @30 fps

4k @30 fps
Full HD @30 fps

N/A

Battery

Battery Rating

Excellent

Very Good

Excellent

Capacity

6000 mAh

5000 mAh

6500 mAh

Battery Type

Li-Polymer

Li-ion

TalkTime

N/A

Up to 41 Hours(4G)

N/A

Quick Charging

Yes 65W Hyper Charging 100% in 52 minutes

Yes 25W Fast Charging

Yes 90W Flash Charging

Wireless Charging

N/A

Yes

Yes 40W Wireless Charging

Wireless Reverse Charging

N/A

Yes

N/A

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

N/A

10h 37m

16h 04m

Charging Time (20% to 100%) (The lower, the better)

N/A

0h 55m 14s

0h 41m 0s

Storage

Internal Storage

512 GB

256 GB / 512 GB

Storage Type

UFS 3.1

UFS 4.1

Expandable Storage

N/A

Network & Connectivity

SIM Slot(s)

Dual SIM

SIM Type

SIM1: Nano SIM2: Nano

SIM1: Nano SIM2: Nano/eSIM

Network Support

5G 4G

VoLTE

Yes

SIM 1

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N12 / N20 / N25 / N28
TDD N38 / N40 / N41 / N66 / N71 / N77 / N78 / N79

5G Bands:

FDD N1 / N3 / N5 / N7 / N8 / N20 / N28 / N66
TDD N38 / N40 / N41 / N77 / N78

N/A

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26) / 700(band 29) / 2300(band 30)

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 1900(band 25) / 850(band 26)

N/A

SIM 2

4G Bands:

5G Bands:

FDD N1 / N2 / N3 / N5 / N7 / N8 / N18 / N20 / N25 / N26 / N28 / N66 / N71 / N75
TDD N38 / N40 / N41 / N48 / N77 / N78

N/A

4G Bands:

TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39) / 3500(band 42) / 3700(band 43) / 3500(band 48)
FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 1500(band 32) / 700(band 12) / 700(band 13) / 700(band 17) / 850(band 18) / 850(band 19) / 800(band 20) / 600(Band 71) / 1900(band 25) / 850(band 26) / 1700(band 66)

SAR Value

N/A

Head: 0.77 W/kg Body: 1.02 W/kg

N/A

Wi-Fi

Yes Wi-Fi 6 (802.11 a/b/g/n/ac/ax) 5GHz MIMO

Yes Wi-Fi 4 (802.11 a/n) 5GHz MIMO

Wi-Fi Features

Wi-Fi Direct Mobile Hotspot

Bluetooth

Yes v5.2

Yes v6.0

GPS

Yes with A-GPS Glonass

NFC

Yes

IR Blaster

N/A

Yes

Multimedia

Stereo Speakers

N/A

Yes

N/A

Audio Jack

3.5 mm

USB Type-C

Sensors

Fingerprint Sensor

Yes

Fingerprint Sensor Position

On-screen

Fingerprint Sensor Type

Optical

Ultrasonic

Other Sensors

Light sensor Proximity sensor Accelerometer Compass Gyroscope

Light sensor Proximity sensor Accelerometer Barometer Compass Gyroscope

Light sensor Proximity sensor Accelerometer Compass Gyroscope

Compare Prices

Not Available in any store

₹79,999

@ Amazon