Side-by-side technical data

Asus ROG Phone 3 Strix vs Samsung Galaxy S21

Comparison between Asus ROG Phone 3 Strix and Samsung Galaxy S21: camera, battery, fast charging, display, performance and colors, side by side. More phones from Asus and Samsung.

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Asus

ROG Phone 3 Strix

Samsung

Galaxy S21

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The verdict

Your pick: Asus ROG Phone 3 Strix, ahead on Performance & hardware, Connectivity and Battery & charging. Unless Design & display or Camera decides it for you.

Category
Category	ROG Phone 3 Strix	Galaxy S21
Design & display	6.6	8.3
Performance & hardware	7.5	7.0
Camera	6.2	7.2
Connectivity	6.5	5.5
Battery & charging	6.9	5.8

Which one is for you?

Asus ROG Phone 3 Strix, if you care about…

Battery Capacity: 6,000 mAh; against 4,000 mAh
RAM Capacity: 12 GB; against 8 GB
Bluetooth Version: Bluetooth 5.1; against Bluetooth 5.0
Display Refresh Rate: 144 Hz; against 120 Hz

Samsung Galaxy S21, if you care about…

Storage Type: UFS 4.x; against UFS 3.1
Display Pixel Density: 421 ppi; against 391 ppi
Weight: 169 g; against 240 g
Battery Features: Fast Charging, Wireless Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator; against Fast Charging, Reverse Charging

Specification comparison

Show differences only

Performance

Specification	ROG Phone 3 Strix	Galaxy S21
Processor Model	Qualcomm Snapdragon 865	Samsung Exynos 2100
Processor Process Size	7 nm	5 nm Best value
Graphics GPU	Qualcomm Adreno 650	Mali-G78 MP14
Storage Type	UFS 3.1	UFS 4.x Best value
Maximum CPU Clock	2.84 GHz	2.9 GHz Best value
Maximum Storage Capacity	256 GB	256 GB
AnTuTu Score	—	677,991
Geekbench 6 Single-Core	—	1,334
Geekbench 6 Multi-Core	—	3,339
CPU Description	Octa-core CPU with 1x 2.84 GHz Cortex-A77, 3x 2.42 GHz Cortex-A77, and 4x 1.80 GHz Cortex-A55.	Octa-core CPU with one Cortex-X1, three Cortex-A78, and four Cortex-A55 cores.
Processor Type	Octa-Core	Octa-Core
64-Bit Processor	—	Yes
RAM Capacity	12 GB Best value	8 GB
RAM Type	—	LPDDR5

Design

Specification	ROG Phone 3 Strix	Galaxy S21
Body Colors	Black	Grey, White, Purple, Pink
Body Thickness	9.9 mm	7.9 mm Best value
Body Width	78 mm	71.2 mm
Body Height	171 mm	151.7 mm
Weight	240 g	169 g Best value
Usable Surface	79.9 %	87.2 % Best value
Body Materials	Glass, Aluminium Alloy	Glass, Plastic, Aluminium Alloy
Resistance Features	RGB Light Strip, Pressure-Sensitive Zones	IP68
Waterproof Depth	—	1.5 m

Battery

Specification	ROG Phone 3 Strix	Galaxy S21
Battery Capacity	6,000 mAh Best value	4,000 mAh
Battery Type	Li-Polymer	Li-Ion
Fast Charge Power	30 W Best value	25 W
Battery Features	Fast Charging, Reverse Charging	Fast Charging, Wireless Charging, Reverse Wireless Charging, Rechargeable, Battery Level Indicator Best value
Wireless charging power	—	15 W
Reverse wireless charging power	—	4.5 W

Display

Specification	ROG Phone 3 Strix	Galaxy S21
Display Aspect Ratio	19.5:9	20:9
Display Technology	AMOLED	Dynamic AMOLED 2X
Peak Display Brightness	—	1,300 nits
Display Diagonal	6.59″ Best value	6.2″
Display Horizontal Resolution	1,080 px	1,080 px
Display Vertical Resolution	2,340 px	2,400 px Best value
Display Pixel Density	391 ppi	421 ppi Best value
Display Refresh Rate	144 Hz Best value	120 Hz
Touch Sampling Rate	—	240 Hz
Display Contrast Ratio	—	3,000,000 :1
Display Features	Gorilla Glass 6, AMOLED, HDR10+, 144Hz	Gorilla Glass Victus, AMOLED, HDR10, HDR10+, Always-On Display, Touchscreen

Sensors

Specification	ROG Phone 3 Strix	Galaxy S21
Fingerprint Sensor Placement	Under Display	Under Display

Sensor

Specification	ROG Phone 3 Strix	Galaxy S21
Sensor Features	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass	Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer

Software

Specification	ROG Phone 3 Strix	Galaxy S21
Operating System	Android 10	Android 11
OS Family	Android	Android
OS Version	10	11 Best value

Connectivity

Specification	ROG Phone 3 Strix	Galaxy S21
SIM Configurations	Dual Nano-SIM	Single Nano-SIM, Dual Nano-SIM, Nano-SIM + eSIM
Cellular Bands	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 5G NR n41, 5G NR n77, 5G NR n78, 5G NR n79	2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, LTE B28, 4G LTE B32, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B66
Cellular Technologies	GSM, CDMA, HSPA, LTE, 5G	GSM, CDMA, HSPA, UMTS, EVDO, LTE, 5G
Wi-Fi Standards	Wi-Fi 802.11a/b/g/n/ac/6	Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax)
Wi-Fi Features	Dual Band, Wi-Fi Direct	Dual Band, Wi-Fi Direct
Bluetooth Version	Bluetooth 5.1 Best value	Bluetooth 5.0
Bluetooth Profiles	A2DP, LE, aptX HD, aptX Adaptive	A2DP, LE
Navigation Systems	GPS, GLONASS, BeiDou, Galileo, QZSS Best value	GPS, GLONASS, BeiDou, Galileo
Connectivity Features	NFC, USB Type-C, USB OTG	Samsung DeX, NFC, FM Radio, USB Type-C, USB OTG, ANT+
USB Version	USB 3.1	USB 3.2
Max. download speed	—	3,000 Mbps
Max. upload speed	—	422 Mbps

Audio

Specification	ROG Phone 3 Strix	Galaxy S21
Microphone Count	—	3
Audio Features	Stereo Speakers, DTS:X, Hi-Res Audio	Stereo Speakers, A2DP, LE, Hi-Res Audio

Technical

Specification	ROG Phone 3 Strix	Galaxy S21
Model numbers	ASUS_I003DD	SM-G990F, SM-G990F/DS