Asus ROG Phone II vs Samsung Galaxy S21 Ultra 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.
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Asus ROG Phone II | Samsung Galaxy S21 Ultra |
Released
·
Sep 04, 2019
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Released
·
Jan 29, 2021
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6.6-inch
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6.8-inch
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Dual camera
|
Quad camera
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12GB · 512GB
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12GB · 128GB
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6000 mAh
|
5000 mAh
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Check prices |
Design
Dimensions | |
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6.73 x 3.06 x 0.37 inches 170.99 x 77.6 x 9.48 mm |
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) |
Weight | |
8.47 oz (240.0 g) | 8.04 oz (229.0 g) |
Materials | |
Back: Glass (Corning Gorilla Glass 3) Frame: Aluminum | Back: Glass (Corning Gorilla Glass Victus) Frame: Aluminum |
Resistance | |
Water, Dust; IP68 | |
Biometrics | |
2D Face unlock, Optical in-screen fingerprint | 2D Face unlock, Ultrasonic in-screen fingerprint |
Keys | |
Right: Volume control, Lock/Unlock key | |
Colors | |
Black Glare | Phantom black, Silver |
Display
Size | |
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6.6-inch | 6.8-inch |
Resolution | |
2340x1080px, 19.5:9 ratio, 391 PPI | 3200x1440px, 20:9 ratio, 516 PPI |
Technology | |
AMOLED | Dynamic AMOLED |
Refresh rate | |
120Hz | 120Hz (adaptable) |
Screen-to-body | |
80.24 % | 89.33 % |
Peak brightness | |
600 cd/m2 (nit) | 1500 cd/m2 (nit) |
Features | |
HDR support, Scratch-resistant glass (Corning Gorilla Glass 6), Ambient light sensor, Proximity sensor | HDR support, Scratch-resistant glass (Corning Gorilla Glass Victus), Ambient light sensor, Proximity sensor |
Hardware
System chip | |
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Qualcomm Snapdragon 855 Plus SM8150-AC (7 nm) | Qualcomm Snapdragon 888 SM8350 (5 nm) |
Processor | |
Octa-core 2960 MHz Kryo 485 |
Octa-core 1x 2.84GHz Kryo 680 + 3x 2.42GHz Kryo 680 + 4x 1.80GHz Kryo 680 |
GPU | |
Adreno 640 | Adreno 660 |
RAM | |
12GB (LPDDR4) | 12GB (LPDDR5) |
Internal storage | |
512GB (UFS 3.0) | 128GB (UFS 3.1) |
Storage expansion | |
not expandable | not expandable |
OS | |
Android (11, 10, 9.0 Pie) | Android (14, 13, 12, 11), One UI |
Battery
Capacity | |
---|---|
6000 mAh | 5000 mAh |
Type | |
Li - Polymer | |
Charging | |
Qualcomm Quick Charge 4+, USB Power Delivery | Qualcomm Quick Charge 2.0, USB Power Delivery, Samsung Adaptive Fast Charging, Qi and Powermat wireless charging, Reverse wireless charging |
Charge speed | |
Wired: 25.0W Wireless: 15.0W |
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
6h 15min
Browsing
14h 43min
Video
8h 52min
Gaming
8h 40min
Camera
Rear | |
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Dual camera | Quad camera |
Main camera | |
48 MP (Laser and PDAF) Aperture size: F1.8 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm | 108 MP (OIS, Laser and PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.33" Pixel size: 0.8 μm |
Second camera | |
13 MP (Ultra-wide) Aperture size: F2.4 Focal Length: 11 mm |
12 MP (Ultra-wide, PDAF) Aperture size: F2.2 Focal Length: 13 mm Sensor size: 1/2.55" Pixel size: 1.4 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 |
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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 | |
Dual LED | LED |
Video recording | |
3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (480 fps) Time-lapse video, Picture-taking during video recording, EIS | 7680x4320 (8K UHD) (24 fps), 3840x2160 (4K UHD) (60 fps), 1920x1080 (Full HD) (240 fps), 1280x720 (HD) (960 fps) OIS, HDR, Hyperlapse, Video light, EIS |
Front | |
24 MP (HDR), Video capture: 1920x1080 (Full HD) | 40 MP (PDAF, HDR), Video capture: 3840x2160 (4K UHD) (60 fps) |
Connectivity & Features
Bluetooth | |
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5.0, Yes | 5.1 |
WLAN | |
802.11 a,b,g,n,ac,ad,dual-band MIMO, Wi-Fi Direct, Hotspot | 802.11 a,b,g,n,ac,ax(Wi-Fi 6),dual-band MIMO, Wi-Fi Direct, Hotspot |
USB | |
Type-C, USB 3.1 | Type-C, USB 3.2 |
Hearing aid compatible | |
M3/T3 | M3/T3 |
Location | |
GPS, A-GPS, Glonass, Galileo, BeiDou, Dual-band positioning, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
Sensors | |
Accelerometer, Gyroscope, Compass, Hall (for flip covers) | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Barometer |
Other | |
NFC | NFC, ANT+ |
Multimedia
Headphones | |
---|---|
3.5mm jack | No 3.5mm jack |
Speakers | |
Earpiece, Multiple speakers | Earpiece, Multiple speakers |
Features | |
DTS:X Virtual Surround, aptX-HD | 32-Bit DAC, Dolby Atmos, aptX, Dolby Digital, Dolby Digital Plus |
Screen mirroring | |
DLNA,Wireless screen share | Wireless screen share |
Radio | |
FM | FM, Stereo, RDS |
Additional microphone(s) | |
Noise cancellation | Noise cancellation, Video recording |
Cellular
5G | |
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Bands n2, n5, n12, n25, n41, n66, n71, n77, n260, n261, SA, NSA, Sub-6, mmWave | |
4G (FDD) | |
Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 17(700 b), 18(800 Lower), 19(800 Upper), 20(800 DD), 26(850+), 28(700 APT), 29(700 d), 32(1500 L-band), 66(AWS-3) | Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), 8(900), 12(700 a), 13(700 c), 14(700 PS), 18(800 Lower), 19(800 Upper), 20(800 DD), 25(1900+), 26(850+), 28(700 APT), 30(2300 WCS), 66(AWS-3), 71(600) |
4G (TDD) | |
Bands 34(2000), 38(2600), 39(1900+), 40(2300), 41(2600+), 46 | Bands 38(2600), 39(1900+), 40(2300), 41(2600+), 46, 48(3600) |
3G | |
Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) | Bands 1(2100), 2(1900), 4(1700/2100), 5(850), 8(900) |
Data Speed | |
LTE-A Pro Cat 18 (1200/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Pro Cat 20 (2000/150 Mbit/s) |
Dual SIM | |
Yes | |
SIM type | |
Nano SIM | Nano SIM |
Regulatory Approval
FCC approval | |
---|---|
Date approved: Aug 13, 2019 FCC ID value: MSQI001D | Date approved: Dec 22, 2020 FCC ID value: A3LSMG998U |
Measured SAR | |
Head: 1.04 W/kg Body: 0.83 W/kg Simultaneous Transmission: 1.59 W/kg Wireless Router: 1.19 W/kg |
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 |
Buyers information
MSRP | |
---|---|
$ 1200 / € 1399 | |
In The Box | |
AeroActive Cooler II, ASUS ZenEar Pro Hi-Res earphone with microphone (optional), Transparent case / Aero case, Type-C to C Cable (120cm), Ejector pin (SIM tray needle), USB power adapter (18W / 30W), Documentation (user guide, warranty card) | C to C Data Cable, Ejection Pin |
Availability
Officially announced | |
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Jul 22, 2019 | Jan 14, 2021 |
Alternative variants
Internal storage | 1000GB |
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Colors | Matte Black |
Data Speed | LTE-A Pro Cat 20 (2000/150 Mbit/s) |
with 256GB storage
Internal storage | 256GB |
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Colors | Phantom black |
MSRP | $ 1250 |
with 512GB storage
RAM | 16GB |
---|---|
Internal storage | 512GB |
Colors | Phantom black |
MSRP | $ 1380 |
for Europe
System chip | Samsung Exynos 2100 (5 nm) |
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Processor |
Octa-core 1x 2.91GHz Cortex-X1 + 3x 2.81GHz Cortex-A78 + 4x 2.2GHz 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 | |
---|---|
Asus ROG Phone II Specs | Samsung Galaxy S21 Ultra Specs |
PhoneArena Review | |
Asus ROG Phone II Review | Samsung Galaxy S21 Ultra Review |
User Reviews | |
Asus ROG Phone II User Reviews | Samsung Galaxy S21 Ultra User Reviews |