Samsung Galaxy S2 (GT-i9100 16GB) vs Samsung Galaxy A51 5G UW (SM-A516V)
Side by side comparison between Samsung Galaxy S2 vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?
,
4.3"
AMOLED
AMOLED
480x800
8
MP
MP
2mp
1GB
RAM
RAM
Dual-core
1650
mAh
mAh
(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 UW (SM-A516V)
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 | 18 Common items in both devices |
| Super AMOLED Plus / Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| Capacitive |
| +11 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 S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Model | Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) |
| Other model names | Samsung Galaxy S2 i9100, Galaxy S II (SGS2) | Galaxy A51 SM-A516VZBAVZW (Verizon) |
| Country or region available |  (Global, International) |  USA |
| Brand | Samsung | Samsung |
| Release date | 4/28/2012 | 8/14/2020 |
| Depth | 8.49 millimeters (0.33 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 66.1 x 125.3 millimeters (2.6 x 4.93 in) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) |
| Weight | 116 grams (4.06 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Plastic body, glass front | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Display type | Super AMOLED Plus | Super AMOLED |
| Screen size | 4.3" inches | 6.5" inches |
| Screen-to-body ratio | ~63.5% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 217 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | Always-On Display |
🤖 Operating System | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| System version | Android 2.3.4 Gingerbread | Android 10 |
| Firmware update | Android 4.1.2 Jelly Bean | Android 13 |
| User Interface | feature not registered | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Chipset | 32bit: Samsung Exynos 4 Dual 4210 (45nm) | 64bit: Qualcomm Snapdragon 765G (SM7250-AB) (7nm) |
| CPU | Dual-core, 1 processor: 2x 1.2GHz ARM Cortex-A9 (Dual-core) | Octa-core, 3 processors: 1x 2.4GHz Kryo 475 Prime (Single-core) 1x 2.2GHz Kryo 475 Gold (Single-core) 6x 1.8GHz Kryo 475 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-400 MP4 266Mhz | Qualcomm Adreno 620 (625MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| RAM memory | 1GB LPDDR2 | 6GB LPDDR4X |
| Internal storage | 16GB (13GB available) | 128GB (105GB available) UFS 2.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 5000/200 Mbps |
| Network technology | 2G, 3G | 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 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat12/13 (2, 4, 5, 13, 66) VoLTE |
| Primary 5G network | Not supported | mmWave (260, 261) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A, Sub6 |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| 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/2.6 (aperture) | f/2.0 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/3.2" inches | 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 | Supported | Not supported |
| HDR | Not supported | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Front camera (secondary) | 2 megapixels | 32 megapixels |
| Front camera resolution | 1600x1200 pixels | 6528x4896 pixels |
| Video recording (secondary) | VGA (640x480) | 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 | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM (RDS) | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, DivX, XviD, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, AC3, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| USB | MicroUSB 2.0 | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Micro-B USB MHL | Not supported |
| Bluetooth | 3.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, 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 | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Sensors | Accelerometer Ambient light sensor Compass 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 | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1650 mAh | 4500 mAh |
| Charger, watts | Wired charging | 15W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | 8.7 hours | feature not registered |
| Standby | 600 hours (25 days) | feature not registered |
➕ Other features | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| Messaging | SMS (Swype), 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, White, Pink • Samsung TouchWiz UI 4.0 • Java framework | • Colors: Prism Bricks Blue |
☢️ Radiation rate | ||
| Galaxy S2 (GT-i9100 16GB) | Galaxy A51 5G UW (SM-A516V) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.16W/kg (head), 0.96W/kg (body) | 0.59W/kg (head), 1.32W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.34W/kg (head) | feature not registered |