Asus ROG Phone 2 (512GB) vs Motorola Moto G51 (64GB/4GB)
Side by side comparison between Asus ROG Phone 2 vs Motorola Moto G51 phones, differences, pros, cons and full specifications. What's the better?
,
6.59"
AMOLED
AMOLED
1080x2340
48
MP
MP
24mp
12GB
RAM
RAM
Octa-core
6000
mAh
mAh
(Non removable)
vs
6.8"
IPS
IPS
1080x2400
50
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus ROG Phone 2 (512GB)
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!
21 Advantages 
10 Advantages | 27 Common items in both devices |
| 120Hz |
| Only digital zoom |
| LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| BSI sensor |
| HDR photo on both cameras |
| f/1.8 (aperture) |
| +20 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 2 (512GB) | Moto G51 (64GB/4GB) | |
| Model | ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) |
| Other model names | Asus ROG Phone II ZS660KL (512GB + 12GB RAM) | Lenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Motorola |
| Release date | 8/1/2019, Announced: 7/22/2019 | 11/30/2021, Announced: 11/3/2021 |
| Depth | 9.78 millimeters (0.39 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 77.6 x 170.99 millimeters (3.06 x 6.73 in) | 76.5 x 170.5 millimeters (3.01 x 6.71 in) |
| Weight | 240 grams (8.4 ounces) | 208 grams (7.28 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 3 | Plastic body, glass front |
| Protection against water and others | Not supported | IP52 certified: protection against dust and splashing |
📲 Display | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.59" inches | 6.8" inches |
| Screen-to-body ratio | ~80.3% (screen-to-body ratio) | ~85.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 391 PPI | 387 PPI |
| Colors | 1 billion | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Not supported |
| Refresh rate | 120Hz | 120Hz |
| Display features | 600nits[typ] HDR10 108% DCI-P3 1ms response | Not supported |
🤖 Operating System | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| System version | Android 9.0 Pie | Android 11 |
| Firmware update | Android 11 | feature not registered |
| User Interface | ROG UI | My UX |
⚙️ Processor | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855+ (SM8150-AC) (7nm) | 64bit: Qualcomm Snapdragon 480+ (SM4350-AC) (8nm) |
| CPU | Octa-core, 3 processors: 1x 2.96GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.8GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 460 (Dual-core) 6x 1.8GHz Kryo 460 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 640 (672MHz) | Qualcomm Adreno 619 |
| Performance (benchmark) | AnTuTu: 398936 (v7), 483248 (v8) Geekbench: 10923 (v4.4) GFXBench: 40fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| RAM memory | 12GB LPDDR4X | 4GB LPDDR4X |
| Internal storage | 512GB (484GB available) UFS 3.0 | 64GB (48GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1200/150 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34) TD-LTE (38, 39, 40, 41, 46) | LTE Cat15 (1, 2, 3, 5, 7, 8, 18, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42, 43) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Back camera (main camera) | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm125° | (triple camera) 50 megapixels 8MP ultrawide f/2.2118°1/4"1.12µm 2MP macro f/2.4 |
| Main camera resolution | 8000x6000 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2" inches | 1/2.76" inches |
| Pixel size | 0.8µm pixel | 0.64µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection 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 | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60 1080p@240fps (slow motion) 720p@480fps (slow motion) Sony IMX586 sensor | 1080p@240fps |
📸 Front camera | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Front camera (secondary) | 24 megapixels | 13 megapixels |
| Front camera resolution | 5632x4224 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.9µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Loudspeaker | Stereo sound with dual speakers 24-bit/192kHz DTS:X | Mono sound (not stereo) Dolby Atmos |
| 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 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| USB | USB 3.1 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 6000 mAh | 5000 mAh |
| Charger, watts | 30W (10V/3A) Wired fast charging 10W Reverse charging by cable Quick Charge 4 | 10W Wired charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| 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 | • Colors: Indigo Blue, Aqua Blue, Bright Silver |
☢️ Radiation rate | ||
| Asus ROG Phone 2 (512GB) | Moto G51 (64GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |