Samsung Galaxy A51 5G (SM-A516U) vs Xiaomi Mi Mix 3 (256GB/8GB)
Side by side comparison between Samsung Galaxy A51 5G vs Xiaomi Mi Mix 3 phones, differences, pros, cons and full specifications. What's the better?
,
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
12
MP
MP
24mp
8GB
RAM
RAM
Octa-core
3200
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A51 5G (SM-A516U)
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 Common items in both devices |
UFS 2.1 |
Super AMOLED |
60Hz |
16 million |
PDAF: phase detection autofocus |
HDR photo on both cameras |
4K UHD (3840x2160) |
+17 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 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Model | Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) |
Other model names | Galaxy A51 SM-A516UZKAXAA (Unlocked) | 小米MIX 3, Xiaomi Mix 3 M1810E5A |
Country or region available | USA | (Global, International), China |
Brand | Samsung | Xiaomi |
Release date | 4/29/2020, Announced: 4/8/2020 | 11/1/2018, Announced: 10/1/2018 |
Depth | 8.7 millimeters (0.34 inches) | 8.5 millimeters (0.33 inches) |
Size (width x height) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) | 74.69 x 157.89 millimeters (2.94 x 6.22 in) |
Weight | 187 grams (6.55 ounces) | 218 grams (7.63 ounces) |
Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front, ceramic back |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Display type | Super AMOLED | Super AMOLED |
Screen size | 6.5" inches | 6.39" inches |
Screen-to-body ratio | ~87.2% (screen-to-body ratio) | ~85% (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 | Gorilla Glass 3 |
Refresh rate | 60Hz | 60Hz |
Display features | Always-On Display | 600nits[typ] HDR8 |
🤖 Operating System | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
System version | Android 10 | Android 9.0 Pie |
Firmware update | Android 13 | Android 10 |
User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | MIUI 10 / 12 |
⚙️ Processor | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Chipset | 64bit: Samsung Exynos 980 (8nm) | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) |
CPU | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) |
GPU graphical controller | ARM Mali-G76 MP5 (728MHz) | Qualcomm Adreno 630 (710MHz) |
Performance (benchmark) | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) | AnTuTu: 292353 (v7), 352130 (v8) Geekbench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
RAM memory | 6GB LPDDR4X | 8GB LPDDR4X |
Internal storage | 128GB (105GB available) UFS 2.1 | 256GB (240GB available) UFS 2.1 |
External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 2000/200 Mbps | 600/50 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 | GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
Primary 3G network | UMTS 850/900/1700/1900/2100 | Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE | LTE Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) |
Primary 5G network | SA/NSA/Sub6 (41, 78) | Not supported |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | 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 | Not supported | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: UMTS 850/900/1700/1900/2100 |
Secondary 4G network | Not supported | LTE Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) |
Secondary data network | Not supported | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/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) 12 megapixels 12MP telephoto 1/3.4"1.0µm |
Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
Flash | LED flash | LED flash on both cameras |
Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
Focal length | 26mm lens | feature not registered |
Sensor size | 1/2" inches | 1/2.55" inches |
Pixel size | 0.8µm pixel | 1.4µm pixel |
Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | OIS (4-axis): Optical stabilization |
Zoom | Only digital zoom | Digital and optical 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 | 4K@30/60fps 1080p@30/60/960fps |
📸 Front camera | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Front camera (secondary) | 32 megapixels | (dual front camera) 24 megapixels 2MP depth |
Front camera resolution | 6528x4896 pixels | 5656x4224 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | LED |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | 26mm lens |
Sensor size | 1/2.8" inches | 1/2.8" inches |
Pixel size | 0.8µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Loudspeaker | Supported | Mono sound (not stereo) |
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 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/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 jack with 3.5mm jack adapter |
TV output | Not supported | USB Type-C (reversible) |
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, GALILEO, BeiDou, QZSS |
NFC | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/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 (rear-mounted) Gyroscope Virtual proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 4500 mAh | 3200 mAh |
Charger, watts | 15W Wired fast charging | 18W Wired fast charging Quick Charge 4 |
Inductive / wireless charging | Not supported | 10W Qi wireless charging |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
Call control | Voice dialing, Voice recorder | 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: Prism Cube Black, Prism Cube White, Prism Cube Pink | • Colors: Onyx Black, Jade Green, Sapphire Blue • Mechanical pop-up front camera |
☢️ Radiation rate | ||
Galaxy A51 5G (SM-A516U) | Xiaomi Mi Mix 3 (256GB/8GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 1.18W/kg (head), 1.2W/kg (body) | 1.45W/kg (head), 1.57W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |