LG Optimus Black (P970) vs Samsung Galaxy A51 (SM-A515F/DSM 64GB)
Side by side comparison between LG Optimus Black vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?
,
4"
IPS
IPS
480x800
5
MP
MP
2mp
512MB
RAM
RAM
Single-core
1500
mAh
mAh
(Removable)
vs
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 64GB)
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!
4 Advantages 
27 Advantages | 20 Common items in both devices |
| Plastic body, glass front |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +13 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 | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Change model | ||
| Model | Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) |
| Other model names | LG Optimus P970H, LG Ignite, LG Schwarz | Samsung Galaxy A51 SM-A515F/DSM |
| Country or region available |    (Global, International), Germany, USA |   Kazakhstan, Russia |
| Brand | LG | Samsung |
| Release date | 5/9/2011 | 12/16/2019, Announced: 12/12/2019 |
| Depth | 9.2 millimeters (0.36 inches) | 7.9 millimeters (0.31 inches) |
| Size (width x height) | 64 x 122 millimeters (2.52 x 4.8 in) | 73.6 x 158.5 millimeters (2.9 x 6.24 in) |
| Weight | 109 grams (3.82 ounces) | 172 grams (6.02 ounces) |
| Build, materials | Plastic body, glass front | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Display type | TFT NOVA IPS | Super AMOLED |
| Screen size | 4" inches | 6.5" inches |
| Screen-to-body ratio | ~58.3% (screen-to-body ratio) | ~87.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | Not supported | Always-On Display |
🤖 Operating System | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| System version | Android 2.2.1 Froyo | Android 10 |
| Firmware update | Android 4.0.4 Ice Cream Sandwich ICS | Android 13 |
| User Interface | Optimus 2.0 Gesture UI | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Chipset | 32bit: Texas Instruments OMAP 3630 (45nm) | 64bit: Samsung Exynos 9611 (10nm) |
| CPU | Single-core, 1 processor: 1x 1GHz ARM Cortex-A8 (Single-core) | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) |
| GPU graphical controller | PowerVR SGX530 MP1 | ARM Mali-G72 MP3 (850MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| RAM memory | 512MB LPDDR | 4GB LPDDR4X |
| Internal storage | 2GB (1GB available) | 64GB (48GB available) eMMC 5.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 7.2/5.76 Mbps | 600/150 Mbps |
| Network technology | 2G | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Back camera (main camera) | 5 megapixels | (quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm |
| Main camera resolution | 2592x1944 pixels | 8000x6000 pixels |
| Video recording (primary) | HD (1280x720) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | feature not registered | 0.8µm 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 | Face detection, Smile detection |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Front camera (secondary) | 2 megapixels | 32 megapixels |
| Front camera resolution | 1600x1200 pixels | 6528x4896 pixels |
| Video recording (secondary) | Not supported | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm (lens) |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.8µm pixel |
🔉 Sound and multimedia | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 1 microphone | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, Xvid, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| 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 | Not supported |
| Bluetooth | 2.1 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) BL-44JN | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1500 mAh | 4000 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | 6 hours | feature not registered |
| Standby | 350 hours (14.6 days) | feature not registered |
➕ Other features | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| 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, Flash player | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, Pink, Silver, White, Brown • Java framework | • Colors: Prism, Crush Black, White, Blue, Pink |
☢️ Radiation rate | ||
| LG Optimus Black (P970) | Galaxy A51 (SM-A515F/DSM 64GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 1.27W/kg (head), 1.43W/kg (body) | 0.369W/kg (head), 1.59W/kg (body) |