📱 Model features |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Model | Galaxy A02 (SM-A022F/DS 32GB/3GB) | Moto G51 (128GB/4GB) |
Other model names | Galaxy A02 SM-A022F/Dual-SIM (32GB + 3GB RAM) | Lenovo Moto G51 5G (XT2171-1, XT2171-2, XT2171-3) |
Country or region available |  (Global, International) |  (Global, International) |
Brand | Samsung | Motorola |
Release date | 1/27/2021 | 11/30/2021, Announced: 11/3/2021 |
Depth | 9.1 millimeters (0.36 inches) | 9.1 millimeters (0.36 inches) |
Size (width x height) | 75.9 x 164 millimeters (2.99 x 6.46 in) | 76.5 x 170.5 millimeters (3.01 x 6.71 in) |
Weight | 206 grams (7.21 ounces) | 208 grams (7.28 ounces) |
Build, materials | Plastic body, glass front | Plastic body, glass front |
Protection against water and others | Not supported | IP52 certified: protection against dust and splashing |
🤖 Operating System |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
System version | Android 10 | Android 11 |
Firmware update | feature not registered | feature not registered |
User Interface | feature not registered | My UX |
⚙️ Processor |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Chipset | 64bit: MediaTek MT6739 (28nm) | 64bit: Qualcomm Snapdragon 480+ (SM4350-AC) (8nm) |
CPU | Quad-core, 1 processor: 4x 1.5GHz ARM Cortex-A53 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 460 (Dual-core) 6x 1.8GHz Kryo 460 (Hexa-core) |
GPU graphical controller | PowerVR GE8100 MP1 (570MHz) | Qualcomm Adreno 619 |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
RAM memory | 3GB LPDDR3 | 4GB LPDDR4X |
Internal storage | 32GB (22GB available) eMMC 5.1 | 128GB (108GB available) eMMC 5.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📲 Display |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Display type | TFT PLS | TFT IPS LCD |
Screen size | 6.5" inches | 6.8" inches |
Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~85.6% (screen-to-body ratio) |
Display resolution | 720x1600 pixels (20:9) | 1080x2400 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 270 PPI | 387 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Not supported | Not supported |
Refresh rate | 60Hz | 120Hz |
Display features | Not supported | Not supported |
📶 Mobile networks |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | 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 | 150/50 Mbps | 2000/1024 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
Frequency, bands | Expand band detailsCollapse 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 850/900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat4 (1, 3, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA |
📷 Camera |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Back camera (main camera) | (dual camera) 13 megapixels 2MP macrof/2.4 | (triple camera) 50 megapixels 8MP ultrawidef/2.2118°1/4"1.12µm 2MP macrof/2.4 |
Main camera resolution | 4128x3096 pixels | 8160x6120 pixels |
Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 60 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.9 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/2.76" inches |
Pixel size | feature not registered | 0.64µm pixel |
Autofocus | 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 | Not supported | Supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | feature not registered | 1080p@240fps |
📸 Front camera |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Front camera (secondary) | 5 megapixels | 13 megapixels |
Front camera resolution | 2560x1920 pixels | 4128x3096 pixels |
Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | feature not registered |
Pixel size | feature not registered | 1.12µm pixel |
🔉 Sound and multimedia |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Loudspeaker | Supported | Mono sound (not stereo) Dolby Atmos |
Active noise cancellation | Not supported | 2 microphones or more |
Radio | FM | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | 3.5mm jack |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 5.1 + A2DP/LE | 5.1 + A2DP/LE |
WiFi | 802.11 b/g/n (2.4Ghz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO WiFi Direct, hotspot |
DLNA | Not supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO |
NFC | Not supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Sensors | Accelerometer Face unlock Virtual proximity sensor | Accelerometer Ambient Light sensor Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
Battery type | LiPo: Li-Ion polymer (Non removable) | LiPo: Li-Ion polymer (Non removable) |
Battery capacity | 5000 mAh | 5000 mAh |
Charger, watts | 10W Wired charging | 10W Wired charging |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/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, Blue, Red, Gray - One UI 2.0 - Mono sound (not stereo) | - Colors: Indigo Blue, Aqua Blue, Bright Silver |
☢️ Radiation rate |
| Samsung Galaxy A02 (SM-A022F/DS 32GB/3GB) | Motorola Moto G51 (128GB/4GB) |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.645W/kg (head), 1.707W/kg (body) | feature not registered |