Samsung Galaxy A51 5G (SM-A516U) vs Xiaomi Redmi Note 5 (64GB/6GB)
Side by side comparison between Samsung Galaxy A51 5G vs Xiaomi Redmi Note 5 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
5.99"
IPS
IPS
1080x2160
12
MP
MP
13mp
6GB
RAM
RAM
Octa-core
4000
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!
23 Advantages 
6 Advantages | 23 Common items in both devices |
| 6GB LPDDR4X |
| Aluminum body, glass front, plastic back / Aluminum body, glass front |
| 60Hz |
| 16 million |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +16 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) | Redmi Note 5 (64GB/6GB) | |
| Model | Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) |
| Other model names | Galaxy A51 SM-A516UZKAXAA (Unlocked) | 红米Note 5 AI MEC7S, MEG7S, Xiaomi Redmi Note 5 AI Dual Camera |
| Country or region available |  USA |     (Global, International), China, Hong Kong, Taiwan |
| Brand | Samsung | Xiaomi |
| Release date | 4/29/2020, Announced: 4/8/2020 | 3/1/2018 |
| Depth | 8.7 millimeters (0.34 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) | 75.4 x 158.6 millimeters (2.97 x 6.24 in) |
| Weight | 187 grams (6.55 ounces) | 181 grams (6.34 ounces) |
| Build, materials | Aluminum body, glass front, plastic back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.5" inches | 5.99" inches |
| Screen-to-body ratio | ~87.2% (screen-to-body ratio) | ~77.4% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2160 pixels (18:9) |
| 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 | Not supported |
🤖 Operating System | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| System version | Android 10 | Android 8.0 Oreo |
| Firmware update | Android 13 | Android 8.1 Oreo |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | feature not registered |
⚙️ Processor | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Chipset | 64bit: Samsung Exynos 980 (8nm) | 64bit: Qualcomm Snapdragon 636 SDM636 (14nm) |
| 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 1.8GHz Kryo 260 Gold (Quad-core) 4x 1.6GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | ARM Mali-G76 MP5 (728MHz) | Qualcomm Adreno 509 |
| Performance (benchmark) | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 128GB (105GB available) UFS 2.1 | 64GB (52GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/200 Mbps | 600/150 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, 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) TD-LTE (38, 40, 41) VoLTE | LTE Cat12 China version: LTE (Bands 1,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) Indonesia, Malaysia, Hong Kong, Vietnam version: LTE (Bands 1,3,4,5,7,8,20) TD-LTE (Bands 38,40) Taiwan version: LTE (Bands 1,2,3,4,5,7,8,20,28) TD-LTE (Bands 38,40) VoLTE |
| 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 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| 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 5MP depth f/2.01.25µm |
| Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | Dual-LED on main camera and LED on front camera |
| Focal aperture | f/2.0 (aperture) | f/1.9 (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 | 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 | Not supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Front camera (secondary) | 32 megapixels | 13 megapixels |
| Front camera resolution | 6528x4896 pixels | 4128x3096 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 | feature not registered |
| Sensor size | 1/2.8" inches | 1/3.1" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, OGG, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| 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 |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor | Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4500 mAh | 4000 mAh |
| Charger, watts | 15W Wired fast charging | 10W (5V/2A) Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| 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: Black, Gold, Blue, Rose Gold • 2.5D glass screen edge • 18:9 ratio screen • MIUI 9 • Silicone case included • WiFi display, direct, hotspot |
☢️ Radiation rate | ||
| Galaxy A51 5G (SM-A516U) | Redmi Note 5 (64GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.18W/kg (head), 1.2W/kg (body) | 0.79W/kg (head), 1.03W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |