Realme C11 (2021, 32GB) vs Samsung Galaxy A51 5G (SM-A516U)
Side by side comparison between Realme C11 (2021) vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?
,
6.52"
IPS
IPS
720x1600
8
MP
MP
5mp
2GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.5"
AMOLED
AMOLED
1080x2400
48
MP
MP
32mp
6GB
RAM
RAM
Octa-core
4500
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!
5 Advantages 
26 Advantages | 21 Common items in both devices |
| Until 512GB microSD, microSDXC / Until 1TB microSD, microSDXC |
| 60Hz |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| +14 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 | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Model | C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) |
| Other model names | Realme C11 RMX3231 (32GB+2GB RAM) | Galaxy A51 SM-A516UZKAXAA (Unlocked) |
| Country or region available |  (Global, International) |  USA |
| Brand | Realme | Samsung |
| Release date | 6/28/2021 | 4/29/2020, Announced: 4/8/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 76.4 x 165.2 millimeters (3.01 x 6.5 in) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) |
| Weight | 190 grams (6.65 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | Water repellent nano-coating (don't immerse) | Not supported |
📲 Display | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.52" inches | 6.5" inches |
| Screen-to-body ratio | ~81.3% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 720x1600 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 269 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 400nits[typ] | Always-On Display |
🤖 Operating System | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| System version | Android 11 | Android 10 |
| Firmware update | feature not registered | Android 13 |
| User Interface | Realme Go UI | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Chipset | 64bit: Unisoc SC9863A (28nm) | 64bit: Samsung Exynos 980 (8nm) |
| CPU | Octa-core, 2 processors: 4x 1.6GHz ARM Cortex-A55 (Quad-core) 4x 1.2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | PowerVR GE8322 MP2 (550MHz) | ARM Mali-G76 MP5 (728MHz) |
| Performance (benchmark) | AnTuTu: 89099 (v8) Geekbench: 471 (v5.4) | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| RAM memory | 2GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 32GB (22GB available) eMMC 5.1 | 128GB (105GB available) UFS 2.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 2000/200 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| 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 | UMTS 850/900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 (1, 3, 5) TD-LTE (38, 40, 41) | 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 | SA/NSA/Sub6 (41, 78) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | Not supported |
📷 Camera | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Back camera (main camera) | 8 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 | 3264x2448 pixels | 8000x6000 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | 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, 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 | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Front camera (secondary) | 5 megapixels | 32 megapixels |
| Front camera resolution | 2560x1920 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | 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 | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM (RDS) |
| 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 | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| USB | MicroUSB 2.0, USB OTG On-The-Go | 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 | 4.2 + 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 | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4500 mAh |
| Charger, watts | 10W (5V/2A) Wired charging Reverse charging by cable | 15W 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 | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| 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, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Iron Grey, Lake Blue | • Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink |
☢️ Radiation rate | ||
| Realme C11 (2021, 32GB) | Galaxy A51 5G (SM-A516U) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.18W/kg (head), 1.2W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |