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Samsung Galaxy Z Fold 4 (SM-F936U 1TB) vs Samsung Galaxy A51 (SM-A515F/DSN)

Side by side comparison between Samsung Galaxy Z Fold 4 vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy A51 X Samsung Galaxy Z Fold 4 (SM-F936U 1TB) 30Points
7.6"
AMOLED

1812x2176

50
MP

10mp

12GB
RAM

Octa-core

4400
mAh

(Non removable)

vs
08Points Samsung Galaxy A51 (SM-A515F/DSN) Compare Samsung Galaxy Z Fold 4 X
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Fold 4 (SM-F936U 1TB)

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!

Galaxy Z Fold 4 (SM-F936U 1TB)} 30 Advantages Samsung Galaxy Z Fold 4 (SM-F936U 1TB) vs Galaxy A51 (SM-A515F/DSN)} 8 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+3.19GHz 64bit Octa-core (4nm)55%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-core (10nm)
+12GB LPDDR5100%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+1TB (917GB available)8 times
More internal storage for applications and files
vs128GB (107GB available)
+UFS 3.1Advantage
Fastest write and read storage.
vseMMC 5.1
+6.3 millimeters (0.25 inches)25%
Thinner
vs7.9 millimeters (0.31 inches)
+Aluminum frame, flexible plastic screen, glass backAdvantage
More resistant material
vsPlastic body, glass front
+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
vsNot supported
+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
vs60Hz
+1812x2176 pixels52%
Higher resolution screen
vs1080x2400 pixels
+7.6"17%
Larger screen
vs6.5"
+(triple camera) 50MP + 10MP + 12MP3%
Higher resolution main camera
vs(quad camera) 48MP + 12MP + 5MP + 5MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+f/1.8 (aperture)11%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.0 (aperture)
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 13
+5G mmWaveAdvantage
The 5G mmWave network is newer and faster
vs4G LTE-A
+(5G mmWave) 5000 Mbps7 times
Faster for surfing the internet and download files
vs(4G LTE-A) 600 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+UWB (Ultra Wideband)Advantage
Sensors help you use the device
vsNot supported
+4400 mAh10%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+25W67%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
vs15W
+Qi Wireless charging (Qi/WPC)Advantage
Wireless charging is another way to charge the battery.
vsNot supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
vs2 slots (Dual-SIM)
(dedicated slot)
+802.11 a/b/g/n/ac/ax [wifi6E/6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster
vs802.11 a/b/g/n/ac [wifi5]
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
vs5.0 + A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
vsUSB 2.0 Type-C, USB OTG On-The-Go
+IPX8 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
263 grams (9.21 ounces)vs+172 grams (6.02 ounces)53%
Lighter
373 PPIvs+405 PPI9%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(front) 10MPvs+(front) 32MP2 times
Higher resolution secondary camera to take pictures and selfies
Not supportedvs+ANT+Advantage
Sensors help you use the device
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supportedvs+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

18 Common items in both devices
Dynamic AMOLED / Super AMOLED
16 million
LED flash
PDAF: phase detection autofocus
HDR photo/video on both cameras / HDR photo on both cameras
(front) 4K UHD (3840x2160)
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 Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
ModelGalaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Other model namesGalaxy Fold4 5G (SM-F936U1)Samsung Galaxy A51 SM-A515F/DSN
Country or region availableUSA
USA
(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
BrandSamsungSamsung
Release date8/25/2022, Announced: 8/10/202212/16/2019, Announced: 12/12/2019
Depth6.3 millimeters (0.25 inches)7.9 millimeters (0.31 inches)
Size (width x height)130.1 x 155.1 millimeters (5.12 x 6.11 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight263 grams (9.21 ounces)172 grams (6.02 ounces)
Build, materialsAluminum frame, flexible plastic screen, glass back
Back: Gorilla Glass Victus+
Plastic body, glass front
Protection against water and othersIPX8 certified: water resistant up to 1.5 meters and 30minNot supported

📲 Display

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Display typeDynamic AMOLEDSuper AMOLED
Screen size7.6" inches6.5" inches
Screen-to-body ratio~90.8% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution1812x2176 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)373 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh rate120Hz60Hz
Display features1200nits[peak]
HDR10+
Always-On Display
Extra display: Dynamic AMOLED 2X 6.2" (904x2316), 120Hz, Gorilla Glass Victus+
Always-On Display

🤖 Operating System

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
System versionAndroid 12Android 10
Firmware updateAndroid 14Android 13
User InterfaceOne UI 4.1 / 5.1 / 6.0One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Chipset64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)64bit: Samsung Exynos 9611 (10nm)
CPUOcta-core, 3 processors:
1x 3.19GHz ARM Cortex-X2 (Single-core)
3x 2.75GHz ARM Cortex-A710 (Triple-core)
4x 2GHz ARM Cortex-A510 (Quad-core)
Octa-core, 2 processors:
4x 2.3GHz ARM Cortex-A73 (Quad-core)
4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerQualcomm Adreno 730 (818MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)AnTuTu: 964622 (v9)
Geekbench: 3981 (v5.1)
GFXBench: 43fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
RAM memory12GB LPDDR56GB LPDDR4X
Internal storage1TB (917GB available)
UFS 3.1
128GB (107GB available)
eMMC 5.1
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload5000/1024 Mbps600/150 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
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 networkSA/NSA/Sub6 (2, 5, 25, 41, 66, 71)
mmWave (260, 261)
Not supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWaveGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Not supported
Secondary 4G networkLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWaveGPRS, EDGE

📷 Camera

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)(triple camera)
50 megapixels
10MP telephoto f/2.466mm1.0µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.2123°12mm1.12µm
(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 resolution8160x6120 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal length23mm lens26mm lens
Sensor sizefeature not registered1/2" inches
Pixel size1µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
Camera extras8K@24fps
4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
Extra cover camera: 4MP (f/1.8 2.0µm)
feature not registered

📸 Front camera

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Front camera (secondary)10 megapixels32 megapixels
Front camera resolution3872x2592 pixels6528x4896 pixels
Video recording (secondary)4K UHD (3840x2160)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal length24mm lens26mm lens
Sensor size1/3" inches1/2.8" inches
Pixel size1.22µm pixel0.8µm pixel

🔉 Sound and multimedia

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
LoudspeakerStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio outputType-C reversible connector3.5mm jack
TV outputUSB Type-C (reversible)Not supported
Bluetooth5.2 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
SensorsAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Accelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4400 mAh4000 mAh
Charger, watts25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
15W Wired fast charging
Inductive / wireless charging15W Qi Wireless charging (Qi/WPC)
4.5W Reverse wireless charging
Not supported
Talk time autonomy39 hours (1.6 days)feature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Phantom Black, Graygreen, Beige, Burgundy
• Samsung DeX
• Samsung Pay
• S Pen (Stylus Pen)
• Colors: Prism, Crush Black, White, Blue, Pink

☢️ Radiation rate

Galaxy Z Fold 4 (SM-F936U 1TB)Galaxy A51 (SM-A515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)0.96W/kg (head), 0.92W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.369W/kg (head), 1.59W/kg (body)
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