Asus ROG Phone 3 (512GB/16GB) vs Samsung Galaxy A20 (SM-A205GN/DS)
Side by side comparison between Asus ROG Phone 3 vs Samsung Galaxy A20 phones, differences, pros, cons and full specifications. What's the better?
,
6.59"
AMOLED
AMOLED
1080x2340
64
MP
MP
24mp
16GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
6.4"
AMOLED
AMOLED
720x1560
13
MP
MP
8mp
3GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Asus ROG Phone 3 (512GB/16GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
24 Advantages 
7 Advantages | 19 Common items in both devices |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus / Autofocus |
| EIS: Digital stabilization |
| HDR photo on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| +12 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Model | ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) |
| Other model names | Asus ROG Phone 3 ZS661KS, ZS661KSF (16GB RAM) | Galaxy A20 SM-A205GN/Dual-Sim NFC |
| Country or region available |  (Global, International) |    Philippines, Hong Kong, Taiwan |
| Brand | Asus | Samsung |
| Release date | 7/22/2020 | 4/5/2019, Announced: 3/19/2019 |
| Depth | 9.85 millimeters (0.39 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 78 x 171 millimeters (3.07 x 6.73 in) | 74.7 x 158.4 millimeters (2.94 x 6.24 in) |
| Weight | 240 grams (8.4 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Display type | AMOLED | Super AMOLED |
| Screen size | 6.59" inches | 6.4" inches |
| Screen-to-body ratio | ~79.9% (screen-to-body ratio) | ~85% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1560 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 391 PPI | 268 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 144Hz | 60Hz |
| Display features | 650nits[typ] HDR10+ | Not supported |
🤖 Operating System | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| System version | Android 10 | Android 9.0 Pie |
| Firmware update | feature not registered | Android 11 |
| User Interface | feature not registered | One UI 2.5 / 3.1 |
⚙️ Processor | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Chipset | 64bit: Qualcomm Snapdragon 865+ (SM8250-AB) (7nm) | 64bit: Samsung Exynos 7884 (14nm) |
| CPU | Octa-core, 3 processors: 1x 3.09GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) | Octa-core, 2 processors: 2x 1.6GHz ARM Cortex-A73 (Dual-core) 6x 1.35GHz ARM Cortex-A53 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 650 (250-646MHz) | ARM Mali-G71 MP2 (770MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 122778 (v9) |
💽 Memory and storage | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| RAM memory | 16GB LPDDR5 | 3GB LPDDR4X |
| Internal storage | 512GB (479GB available) UFS 3.1 | 32GB (21GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 5000/150 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 48) B version: LTE (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (34, 38, 39, 40, 41) | LTE Cat4 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 66) TD-LTE (Bands 38, 40, 41) |
| Primary 5G network | A version: SA/NSA (1, 2, 3, 5, 28, 41, 66, 71, 77, 78, 79) B version: SA/NSA (41, 77, 78, 79) | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Back camera (main camera) | (triple camera) 64 megapixels 13MP ultrawide f/2.4125°11mm 5MP macro f/2.0 | (dual camera) 13 megapixels 5MP ultrawide f/2.212mm |
| Main camera resolution | 10120x6328 pixels | 4128x3096 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 28mm lens |
| Sensor size | 1/1.72" inches | feature not registered |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Front camera (secondary) | 24 megapixels | 8 megapixels |
| Front camera resolution | 5632x4224 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 27mm lens | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263, WMV, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 4000 mAh |
| Charger, watts | 30W Wired fast charging 10W Reverse charging by cable Quick Charge 3/4 USB Power Delivery 3.0 | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 26 hours (1.1 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black glare • ROG UI (Republic Of Gamers) • Always-On display • DTS:X stereo speakers (2 amplifiers) • 24-bit/192kHz audio • AeroActive Cooler 3 | • Colors: Black, Deep Blue, Red, Coral Orange |
☢️ Radiation rate | ||
| Asus ROG Phone 3 (512GB/16GB) | Galaxy A20 (SM-A205GN/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.74W/kg (head), 1.5W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.23W/kg (head), 1.38W/kg (body) |