Samsung Galaxy A51 (SM-A515F/DS) vs Xiaomi Black Shark 2 (128GB/8GB)
Side by side comparison between Samsung Galaxy A51 vs Xiaomi Black Shark 2 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
4GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 (SM-A515F/DS)
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!
26 Common items in both devices |
128GB (107GB available) / 128GB (110GB available) |
60Hz |
16 million |
LED flash |
PDAF: phase detection autofocus |
EIS: Digital stabilization |
HDR photo on both cameras |
+19 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 | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Model | Galaxy A51 (SM-A515F/DS) | Black Shark 2 (128GB/8GB) |
Other model names | Samsung Galaxy A51 SM-A515F/DS | Xiaomi Black Shark 2 (128GB + 8GB RAM), SKW-H0, SKW-A0 |
Country or region available | (Latin America) | (Global, International) |
Brand | Samsung | Xiaomi |
Release date | 12/16/2019, Announced: 12/12/2019 | 3/1/2019 |
Depth | 7.9 millimeters (0.31 inches) | 8.77 millimeters (0.35 inches) |
Size (width x height) | 73.6 x 158.5 millimeters (2.9 x 6.24 in) | 75.01 x 163.61 millimeters (2.95 x 6.44 in) |
Weight | 172 grams (6.02 ounces) | 205 grams (7.18 ounces) |
Build, materials | Plastic body, glass front | Aluminum body, glass front |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Display type | Super AMOLED | AMOLED |
Screen size | 6.5" inches | 6.39" inches |
Screen-to-body ratio | ~87.4% (screen-to-body ratio) | ~81.7% (screen-to-body ratio) |
Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels (19.5:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 405 PPI | 403 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 3 | Not supported |
Refresh rate | 60Hz | 60Hz |
Display features | Always-On Display | HDR8 |
🤖 Operating System | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
System version | Android 10 | Android 9.0 Pie |
Firmware update | Android 13 | feature not registered |
User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | feature not registered |
⚙️ Processor | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Chipset | 64bit: Samsung Exynos 9611 (10nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
CPU | Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core) | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
GPU graphical controller | ARM Mali-G72 MP3 (850MHz) | Qualcomm Adreno 640 (585MHz) |
Performance (benchmark) | AnTuTu: 113051 (v7), 175363 (v8) Geekbench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
RAM memory | 4GB LPDDR4X | 8GB LPDDR4X |
Internal storage | 128GB (107GB available) eMMC 5.1 | 128GB (110GB available) UFS 2.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 600/150 Mbps | 1200/150 Mbps |
Network technology | 2G, 3G, 4G | 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 | CDMA 800, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) VoLTE | LTE Cat18 (Bands 1, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE |
Primary 5G network | Not supported | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A | 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 |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | UMTS 850/900/1900/2100 |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
📷 Camera | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Back camera (main camera) | (quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm | (dual camera) 48 megapixels 12MP telephoto f/2.21.0µm54mmPDAF2x-optical-zoom |
Main camera resolution | 8000x6000 pixels | 8000x6000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
Flash | LED flash | LED flash |
Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | 28mm lens |
Sensor size | 1/2" inches | 1/2" inches |
Pixel size | 0.8µm pixel | 0.8µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
Zoom | Only digital zoom | Digital and optical 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 | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Front camera (secondary) | 32 megapixels | 20 megapixels |
Front camera resolution | 6528x4896 pixels | 5184x3840 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/2.8" inches | 1/3" inches |
Pixel size | 0.8µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Loudspeaker | Supported | Supported |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | FM (RDS) | Not supported |
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 | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | 3.5mm jack | Type-C reversible connector |
TV output | Not supported | Not supported |
Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + 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 | A-GPS, GeoTagging, GLONASS, BeiDou |
NFC | Not supported | Not supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 4000 mAh | 4000 mAh |
Charger, watts | 15W Wired fast charging | 27W Wired fast 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 | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
Call control | Voice dialing, Voice recorder | 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: Prism, Crush Black, White, Blue, Pink | • Colors: Black, Silver, Blue • Liquid Cooling 3.0+ • DCI-P3 109% • Always-on display • 240Hz touch-sensing |
☢️ Radiation rate | ||
Galaxy A51 (SM-A515F/DS) | Xiaomi Black Shark 2 (128GB/8GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
SAR 2W/kg (Europe, UK, etc.) | 0.369W/kg (head), 1.59W/kg (body) | feature not registered |