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Samsung Galaxy A42 5G (SM-A426B/DS 8GB RAM) vs Samsung Galaxy A51 (SM-A515F/DSN)

Side by side comparison between Samsung Galaxy A42 5G 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 A42 5G (SM-A426B/DS 8GB RAM) 09Points
6.6"
AMOLED

720x1600

48
MP

20mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
10Points Samsung Galaxy A51 (SM-A515F/DSN) Compare Samsung Galaxy A42 5G X
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSN)

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 A42 5G (SM-A426B/DS 8GB RAM)} 9 Advantages Samsung Galaxy A42 5G (SM-A426B/DS 8GB RAM) vs Galaxy A51 (SM-A515F/DSN)} 10 Advantages Samsung Galaxy A51 (SM-A515F/DSN)
+2.2GHz 64bit Octa-core (8nm)23%
More powerful processor, you can open your applications faster
vs2.3GHz 64bit Octa-core (10nm)
+8GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
vs6GB LPDDR4X
+UFS 2.1Advantage
Fastest write and read storage.
vseMMC 5.1
+6.6"2%
Larger screen
vs6.5"
+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)
+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
vs4G LTE-A
+(5G SA/NSA) 2000 Mbps2 times
Faster for surfing the internet and download files
vs(4G LTE-A) 600 Mbps
+Proximity sensorAdvantage
Sensors help you use the device
vsVirtual proximity sensor
+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
193 grams (6.76 ounces)vs+172 grams (6.02 ounces)12%
Lighter
8.6 millimeters (0.34 inches)vs+7.9 millimeters (0.31 inches)9%
Thinner
720x1600 pixelsvs+1080x2400 pixels125%
Higher resolution screen
266 PPIvs+405 PPI52%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
(quad camera) 48MP + 8MP + 5MP + 5MPvs+(quad camera) 48MP + 12MP + 5MP + 5MP6%
Higher resolution main camera
(front) 20MPvs+(front) 32MP61%
Higher resolution secondary camera to take pictures and selfies
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Not supportedvs+ANT+Advantage
Sensors help you use the device
2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)
vs+2 slots (Dual-SIM)
(dedicated slot)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

32 Common items in both devices
128GB (106GB available) / 128GB (107GB available)
Until 1TB microSD, microSDXC
Plastic body, glass front
Super AMOLED
60Hz
16 million
LED flash
+25 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 A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
ModelGalaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Other model namesGalaxy A42 5G SM-A426B/DS (128GB + 8GB RAM)Samsung Galaxy A51 SM-A515F/DSN
Country or region availableHong KongMalaysiaSingaporeThailand
Hong Kong, Malaysia, Singapore, Thailand
(Europe)(Global, International)United Arab EmiratesPakistanTaiwan
(Europe), (Global, International), United Arab Emirates, Pakistan, Taiwan
BrandSamsungSamsung
Release date11/11/2020, Announced: 9/2/202012/16/2019, Announced: 12/12/2019
Depth8.6 millimeters (0.34 inches)7.9 millimeters (0.31 inches)
Size (width x height)75.9 x 164.4 millimeters (2.99 x 6.47 in)73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight193 grams (6.76 ounces)172 grams (6.02 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Display typeSuper AMOLEDSuper AMOLED
Screen size6.6" inches6.5" inches
Screen-to-body ratio~84.3% (screen-to-body ratio)~87.4% (screen-to-body ratio)
Display resolution720x1600 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)266 PPI405 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh rate60Hz60Hz
Display featuresNot supportedAlways-On Display

🤖 Operating System

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
System versionAndroid 10Android 10
Firmware updateAndroid 13Android 13
User InterfaceOne UI 2.5 / 3.1 / 4.1 / 5.0One UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Chipset64bit: Qualcomm Snapdragon 750G (SM7225) (8nm)64bit: Samsung Exynos 9611 (10nm)
CPUOcta-core, 2 processors:
2x 2.2GHz Kryo 570 (Dual-core)
6x 1.8GHz Kryo 570 (Hexa-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 619 (800MHz)ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)AnTuTu: 324686 (v8)
Geekbench: 1910 (v5.1)
GFXBench: 33fps (ES 3.1 onscreen)
feature not registered

💽 Memory and storage

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
RAM memory8GB LPDDR4X6GB LPDDR4X
Internal storage128GB (106GB available)
UFS 2.1
128GB (107GB available)
eMMC 5.1
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 1TB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload2000/1024 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 networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1700/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat11 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28)
TD-LTE (38, 40, 41)
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 (1, 3, 5, 7, 8, 28, 40, 41, 78)Not supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkUMTS 850/900/1700/1900/2100Not supported
Secondary 4G networkLTE Cat11 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE

📷 Camera

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Back camera (main camera)(quad camera)
48 megapixels
8MP ultrawide f/2.2123°
5MP macro f/2.4
5MP depth f/2.4
(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 resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered26mm lens
Sensor size1/2" inches1/2" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo on both cameras
Camera extras1080p@30fps
720p@480fps
feature not registered

📸 Front camera

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Front camera (secondary)20 megapixels32 megapixels
Front camera resolution5184x3840 pixels6528x4896 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFMFM (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 A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
USBUSB 2.0 Type-C reversible connectorUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 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
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
ANT+
Compass
Face unlock
Fingerprint sensor (under display)
Gyroscope
Hall effect
Virtual proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
Battery typeLiPo: li-ion polymer (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity5000 mAh4000 mAh
Charger, watts15W Wired fast charging15W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy A42 5G (SM-A426B/DS 8GB RAM)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: Prism Dot Black, White, Gray
• Samsung Pay
• Colors: Prism, Crush Black, White, Blue, Pink

☢️ Radiation rate

Galaxy A42 5G (SM-A426B/DS 8GB RAM)Galaxy A51 (SM-A515F/DSN)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)1.154W/kg (head), 1.334W/kg (body)0.369W/kg (head), 1.59W/kg (body)
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