Samsung Galaxy S21 Ultra vs Asus ROG Phone 3 – Review, specifications and prices

The new Samsung Galaxy S21 Ultra handset has a 4 camera setup with a main lens of 108 MP, Qualcomm Snapdragon 888 processor chipset and a battery of 5000 mAh. On other side, the Asus ROG Phone 3 also has interesting features. The comparison for both models with new specs are detailed next.

Samsung

Specifications

Feature Samsung Galaxy S21 Ultra Asus ROG Phone 3
Phones specifications
Screen Display 6.8 in (inches) 6.59 in (inches)
Processor Qualcomm Snapdragon 888 Qualcomm Snapdragon 865 Plus
Operating System One UI 3.1 One UI 3.1
Resolution 1440 x 3200 pixels 1080 x 2340 pixels
RAM 12 GB (gigabytes) or 16 GB (gigabytes) 12 GB (gigabytes) or 16 GB (gigabytes)
Storage 128 GB (gigabytes),256 GB (gigabytes),512 GB (gigabytes) 512 GB (gigabytes)
Camera 108/12/10/10 MP 64/13/5 MP
Front Camera 40 MP 24 MP
Battery 5000 mAh 6000 mAh

Processor and Operating System

The Samsung Galaxy S21 Ultra runs on Qualcomm Snapdragon 888 chipset and the processor has a total of 8 cores composed by 1 core of 2.84 GHz Cortex-A78, 3 cores of 2.42 GHz Cortex-A78 and 3 cores of 1.8GHz Cortex-A55. It has a maximum CPU frequency of 2840 MHz (megahertz). Some other special features include 64 bit architecture. Running on One UI 3.1 operating system.

The Qualcomm Snapdragon 888 is a better chipset processor than the Qualcomm Snapdragon 865 Plus.

Meanwhile, the Asus ROG Phone 3 has a Qualcomm Snapdragon 865 Plus, the second processor has a total of 8 cores composed by 1 core of 3.09 GHz Kryo 485, 3 cores of 2.42 GHz Kryo 485 and 4 cores of 1.80 GHz Kryo 485. It has a maximum CPU frequency of 3090 MHz (megahertz). Some other special features include 64 bit architecture,GameCool 3 cooling system,3D vapor chamber,Large graphite film and 6x larger heat sink. And it’s running on One UI 3.1 OS system.

Graphics Processor (GPU)

The Samsung Galaxy S21 Ultra is carrying a Adreno 660 gpu in the interior and the Asus ROG Phone 3 has the Qualcomm Adreno 650 graphics processor.

Battery

The Samsung Galaxy S21 Ultra battery capacity is 5000 mAh which is a 20% (percent) less powerful than the 6000 mAh offered by the Asus ROG Phone 3. Some features include Wireless charging, Fast charging, Non-removable, Qi/PMA wireless charging – 15 W, Wireless reverse charging – 9 W, Fast Wireless Charging 2.0 and USB Power Delivery 3.0.
The Asus ROG Phone 3 battery include Fast charging, Non-removable, 10W reverse wired charging and Qualcomm Quick Charge 4.0.

Screen

The smartphone is using a Dynamic AMOLED 2X display with 1440 x 3200 pixels and a screen size of 6.8 in (inches).

Meanwhile the Asus ROG Phone 3 is featuring a AMOLED display with 1080 x 2340 pixels and a screen size of 6.59 in (inches).

As we can see here, the Samsung Galaxy S21 Ultra is a 3.1% bigger than Asus ROG Phone 3 screen.
The main display features of both phones are detailed next:

Samsung Galaxy S21 Ultra Asus ROG Phone 3
120Hz refresh rate 1 ms response time
1600 cd/m² peak brightness 1000000:1 contrast ratio
Always-On Display 108.8% NTSC
Capacitive 113.3% DCI-P3
Gorilla Glass Victus 144 Hz refresh rate
HDR10+ 153.7% sRGB
Infinity-O Display 2.5D curved glass screen
Multi-touch 25 ms touch latency
Scratch resistant 270 Hz touch sampling rate
650 cd/m² outdoor brightness
Always-On Display
Bluelight Filter
Capacitive
Corning Gorilla Glass 6
Delta-E < 1
HDR10
HDR10+
Multi-touch
Peak brightness – 1000 cd/m²
Scratch resistant
Supports glove touch
TÜV Rheinland Certified

RAM Memory and storage

On the memory hardware side, the Samsung Galaxy S21 Ultra is carrying a ram memory of 12 GB (gigabytes) or 16 GB (gigabytes) with some features like 2750 MHz (megahertz), LPDDR5 and Double channel.

The Asus ROG Phone 3 is coming with a 12 GB (gigabytes) or 16 GB (gigabytes) and it has some features like LPDDR5 and Double channel.
In the basic edition, both phones have the same ram capacity of 12 gigabytes.

At the more expensive edition, both device present the same ram capacity:16 gigabytes.

How much built-in storage space you can get for apps and saving photos, files and video? The Samsung Galaxy S21 Ultra comes with or 128 GB (gigabytes) or 256 GB (gigabytes) or 512 GB (gigabytes). In the basic edition, the Samsung Galaxy S21 Ultra gives a 300% more storage memory capacity than Asus ROG Phone 3.

At the more expensive edition, both smartphones present the same built-in storage capacity:512 gigabytes.

Asus ROG Phone 3 gets you or 512 GB (gigabytes) of internal storage.

Rear Camera

The Samsung Galaxy S21 Ultra rear camera setup is composed by 4 lenses of 108/12/10/10 MP , the flash type is Dual LED , a focal length 35 mm:24 mm , carrying a sensor like Samsung S5KHM3 Camera sensor size:8.17 x 10.82 mm , a pixel size of 0.8 µm (micrometers) and aperture lens of f/1.8 f/2.2 f/2.4 f/4.9 respectively.

Samsung

Meanwhile the Asus ROG Phone 3 rear camera comes with 3 lenses of 64/13/5 MP , the flash type is Dual LED , a focal length (35 mm) of 26.6 mm , carrying sensor like Sony IMX686 , a pixel size of 0.8 µm (micrometers) and aperture lens of f/1.8 f/2.4 f/2.0 respectively.

Samsung Galaxy S21 Ultra Asus ROG Phone 3
1080p @ 240 fps 1080p @ 240 fps
10x hybrid optical zoom (#4) 2160p @ 120 fps
10x optical zoom (#3) 3-axis electronic image stabilization
2160p @ 60 fps 720p @ 480 fps
3x optical zoom (#4) Angle of view – 125° (#2)
720p @ 960 fps Aperture size – f/2.0 (#3)
Angle of view – 10° (#4) Aperture size – f/2.4 (#2)
Angle of view – 120° (#2) Autofocus
Angle of view – 35° (#3) Continuous shooting
Aperture size – f/2.2 (#2) Digital image stabilization
Aperture size – f/2.4 (#3) Digital zoom
Aperture size – f/4.9 (#4) Exposure compensation
Autofocus Face detection
Continuous shooting Focal length (35 mm equivalent) – 11 mm (#2)
Digital zoom Geotagging
Dual Phase Detection (#2) HDR
Dual Phase Detection (#3) ISO settings
Dual Phase Detection (#4) Optical image stabilization
Exposure compensation Panorama
Face detection Phase detection autofocus (PDAF)
Focal length (35 mm equivalent) – 13 mm (#2) Pixel size – 1.6 m (4-in-1 pixel binning)
Focal length (35 mm equivalent) – 240 mm (#4) Pro Video Mode
Focal length (35 mm equivalent) – 72 mm (#3) RAW
Fourth rear camera – 10 MP (telephoto) Scene mode
Geotagging Secondary rear camera – 13 MP (ultra-wide angle)
HDR Self-timer
HDR10+ video recording Third rear camera – 5 MP (macro)
ISO settings Touch focus
Laser autofocus (LAF) White balance settings
Nona Super Phase Detection
Nonacell pixel size – 2.4 m (9-in-1 pixel binning)
Object tracking AF
OIS (#3)
OIS (#4)
Optical image stabilization
Optical zoom
Panorama
Phase detection autofocus (PDAF)
Pixel size – 1.22 µm (#3)
Pixel size – 1.22 µm (#4)
Pixel size – 1.4 µm (#2)
Scene mode
Secondary rear camera – 12 MP (ultra-wide angle)
Self-timer
Sensor version – Samsung ISOCELL 3J1 (#3)
Sensor version – Samsung ISOCELL 3J1 (#4)
Sensor version – Sony IMX563 (#2)
Sensor size – 1/2.55″ (#2)
Sensor size – 1/3.24″ (#3)
Sensor size – 1/3.24″ (#4)
Sensor type – ISOCELL Bright
Third rear camera – 10 MP (periscope telephoto)
Touch focus
White balance settings

Front Camera – Selfie

The Samsung Galaxy S21 Ultra comes with a 40 MP in the front.

The Asus ROG Phone 3 has a 24 MP as a main front-camera.

Some other front camera features are detailed next:

Samsung Galaxy S21 Ultra Asus ROG Phone 3
40 MP HDR
Aperture:f/2.2 24 MP
Auto HDR Aperture:f/2.0
Autofocus Face unlock
HDR Panorama
Phase detection autofocus (PDAF)
Phase detection with Dual Pixel
Pixel size:0.7 µm /0.000700 mm
Sensor model:Samsung S5KGH1
Sensor size:5.13 x 6.51 mm /0.33 in
Sensor type – ISOCELL Plus
Sensor type:CMOS (complementary metal-oxide semiconductor)
TetraCell RGB Bayer Pattern

Data network and speed connectivity/bandwidth

The mobile networks technologies improve the communication between devices, connectivity speed and files download/upload bandwidth depending of the place.

Samsung Galaxy S21 Ultra Asus ROG Phone 3
5G NSA 5G NSA
5G SA 5G SA
Built-in 5G modem Built-in 5G modem
EDGE EDGE
GPRS GPRS
HSPA+(5.76/ 42 Mbit/s) HSPA+(5.76/ 42 Mbit/s)
LTE Cat 20 LTE Cat 20
UMTS(384 kbit/s) TD-
TD-SCDMA
UMTS(384 kbit/s)

Price

The Samsung Galaxy S21 Ultra price is 1200 (12 GB + 128 GB) or $1250 (12 GB + 256 GB) or $1380 (16 GB + 512 GB) and the Asus ROG Phone 3 price tag is $1050 (12 GB + 512 GB) or $1150 (16 GB + 512 GB)

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