Samsung Galaxy Fold (SM-F900U) vs Samsung Galaxy A51 5G (SM-A516N)
Side by side comparison between Samsung Galaxy Fold vs Samsung Galaxy A51 5G phones, differences, pros, cons and full specifications. What's the better?
,
7.3"
AMOLED
AMOLED
1536x2152
12.2
MP
MP
10mp
12GB
RAM
RAM
Octa-core
4380
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 Fold (SM-F900U)
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!
15 Advantages 
13 Advantages | 29 Common items in both devices |
| Aluminum frame, flexible plastic screen, glass back / Aluminum body, glass front, plastic back |
| Dynamic AMOLED / Super AMOLED |
| 60Hz |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +22 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 Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Model | Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) |
| Other model names | Galaxy Fold F900U (Single-SIM) Unlocked, Samsung Winner | 갤럭시 A51 5G SM-A516NZWMKOO |
| Country or region available |  USA |  South Korea |
| Brand | Samsung | Samsung |
| Release date | 4/26/2019, Announced: 2/28/2019 | 4/29/2020, Announced: 4/8/2020 |
| Depth | 6.9 millimeters (0.27 inches) | 8.7 millimeters (0.34 inches) |
| Size (width x height) | 117.9 x 160.9 millimeters (4.64 x 6.33 in) | 73.6 x 158.9 millimeters (2.9 x 6.26 in) |
| Weight | 263 grams (9.21 ounces) | 187 grams (6.55 ounces) |
| Build, materials | Aluminum frame, flexible plastic screen, glass back Folded: 15.5mm x 62.9mm x 160.9mm | Aluminum body, glass front, plastic back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 7.3" inches | 6.5" inches |
| Screen-to-body ratio | ~85.7% (screen-to-body ratio) | ~87.2% (screen-to-body ratio) |
| Display resolution | 1536x2152 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 362 PPI | 405 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | 60Hz |
| Display features | HDR10+ Extra display: Super AMOLED 4.6" (720x1680) | Always-On Display |
🤖 Operating System | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | Android 12 | Android 13 |
| User Interface | One UI 2.5 / 3.1 / 4.0 | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Samsung Exynos 980 (8nm) |
| CPU | 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) | Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A77 (Dual-core) 6x 1.8GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | ARM Mali-G76 MP5 (728MHz) |
| Performance (benchmark) | AnTuTu: 363016 (v7) Geekbench: 11028 (v4.4) GFXBench: 32fps (ES 3.1 onscreen) | AnTuTu: 316007 (v8) Geekbench: 1867(v5.1) GFXBench: 17fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| RAM memory | 12GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 512GB (462GB available) UFS 3.0 | 128GB (105GB available) UFS 2.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1200/150 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 | TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 14, 18, 19, 20, 28, 29, 30, 66) TD-LTE (38, 39, 40, 41, 46) VoLTE | 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 (78) |
| Primary data network | GPRS, EDGE, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| 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 Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Back camera (main camera) | (triple camera) 12.2 megapixels 12MP telephoto f/2.41/3.6"52mm1.0µmAFOIS2x-optical-zoom 16MP ultrawide f/2.212mm1/3.1"1.0µm | (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 | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.5 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/2.55" inches | 1/2" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) HDR10 Cover camera: 10MP (f/2.2) | feature not registered |
📸 Front camera | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Front camera (secondary) | (dual front camera) 10 megapixels 8MP depth f/1.924mm1.22µm | 32 megapixels |
| Front camera resolution | 3872x2592 pixels | 6528x4896 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/3" inches | 1/2.8" inches |
| Pixel size | 1.22µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | 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 | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | 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, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4380 mAh | 4500 mAh |
| Charger, watts | 15W Wired fast charging | 15W Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging 9W Reverse wireless charging | Not supported |
| Talk time autonomy | 32 hours (1.3 days) | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| 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: Black, Space Silver, Martian Green, Astro Blue • Samsung DeX • Samsung Pay | • Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink |
☢️ Radiation rate | ||
| Galaxy Fold (SM-F900U) | Galaxy A51 5G (SM-A516N) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.497W/kg (head), 1.22W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |