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Samsung Galaxy A51 5G (SM-A516U) vs Oppo Reno4 Z 5G

Side by side comparison between Samsung Galaxy A51 5G vs Oppo Reno4 Z 5G phones, differences, pros, cons with full specifications. What's the better?

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Compare Oppo Reno4 Z 5G XSamsung Galaxy A51 5G (SM-A516U)10Points
Samsung Galaxy A51 5G (SM-A516U)
6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

64bit Octa

4500
mAh

(Non removable)

vs
Oppo Reno4 Z 5G
6.57"
IPS

1080x2400

48
MP

16mp

8GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Oppo Reno4 Z 5G

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 A51 5G (SM-A516U)10 Advantages Samsung Galaxy A51 5G (SM-A516U)vsReno4 Z 5G11 Advantages Oppo Reno4 Z 5G
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+Aluminum body, glass front, plastic backAdvantage
More resistant material
vsPlastic body, glass front
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsLTPS IPS LCD
+405 PPI1%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs401 PPI
+(quad camera) 48MP + 12MP + 5MP + 5MP17%
Higher resolution main camera
vs(quad camera) 48MP + 8MP + 2MP + 2MP
+(front) 32MP78%
Higher resolution secondary camera to take pictures and selfies
vs(dual front camera) 16MP + 2MP
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+ANT+Advantage
Sensors help you use the device
vsNot supported
+4500 mAh13%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs4000 mAh
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
2.2Ghz 64bit Octa-Corevs+2Ghz 64bit Octa-Core16%
More powerful processor, you can open your applications faster
6GB LPDDR4Xvs+8GB LPDDR4X33%
More RAM memory. Typically more responsive and better for multitasking.
187 grams (6.55 ounces)vs+184 grams (6.44 ounces)2%
Lighter
8.7 millimeters (0.34 inches)vs+8.1 millimeters (0.32 inches)7%
Thinner
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
6.5"vs+6.57"1%
Larger screen
f/2.0 (aperture)vs+f/1.7 (aperture)18%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(5G SA/NSA) 2000 Mbpsvs+(5G SA/NSA) 3500 Mbps75%
Faster for surfing the internet and download files
15Wvs+18W20%
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.
1 slot (Single-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM)Advantage
It's more advantageous to have more than one phone operator in the same device
5.0 + A2DP/LEvs+5.1 + A2DP/LEAdvantage
Bluetooth 5.1 + A2DP/LE is newer and faster

34 Common items in both devices
128GB (105GB available) / 128GB (108GB available)
UFS 2.1
16 million
1080x2400 pixels
LED flash
Only digital zoom
PDAF: phase detection autofocus
+27 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differencesClear highlight
Physical featuresSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
ModelGalaxy A51 5G (SM-A516U)Reno4 Z 5G
Other model namesGalaxy A51 SM-A516UZKAXAA (Unlocked)Oppo Reno 4 Z 5G CPH2065
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungOppo
Release dateApril, 2020October, 2020
Depth8.7 millimeters (0.34 inches)8.1 millimeters (0.32 inches)
Size (width x height)73.6 x 158.9 millimeters (2.9 x 6.26 in)75.5 x 163.8 millimeters (2.97 x 6.45 in)
Weight187 grams (6.55 ounces)184 grams (6.44 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum body, glass front, plastic backPlastic body, glass front
Protection against water and othersNot supportedNot supported
System (OS)Samsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Operating systemAndroid 10Android 10
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Chipset64bit - Samsung Exynos 980 Octa (8nm)64bit - MediaTek MT6873V Dimensity 800 (7nm)
CPU processorOcta-Core, 2 processors:
2.2Ghz Dual-Core ARM Cortex-A77
1.8Ghz Hexa-Core ARM Cortex-A55
Octa-Core, 2 processors:
2Ghz Quad-Core ARM Cortex-A76
2Ghz Quad-Core ARM Cortex-A55
GPU graphical controllerARM Mali-G76 MP5ARM Mali-G57 MC4
RAM memory6GB LPDDR4X8GB LPDDR4X
Internal storage128GB (105GB available)
UFS 2.1
128GB (108GB available)
UFS 2.1
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported
DisplaySamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Display typeSuper AMOLEDLTPS IPS LCD
Screen size6.5" inches6.57" inches
Screen-to-body ratio~87.2% (screen-to-body ratio)~84.3% (screen-to-body ratio)
Display resolution1080x2400 pixels (20:9)1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)405 PPI401 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 3
Display features60Hz120Hz, 480 nits
Mobile networksSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload2000/200 Mbps3500/1920 Mbps
Network technology2G, 3G, 4G, 5G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse 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 Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkSA/NSA/Sub6 (41, 78)SA/NSA (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSAGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE
CallingSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Back camera (main camera)(quad camera)
48 megapixels
12MP ultrawidef/2.213mm1.12µm
5MP telephotof/2.440mm
5MP depthf/2.21/5.0"1.12µm
(quad camera)
48 megapixels
8MP ultrawidef/2.2119º1/4.0"1.12µm
2MP depthf/2.4
2MP depthf/2.4
Main camera resolution8000x6000 pixels8000x6000 pixels
Video recording (primary)4K UHD (3840x2160) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashLED flash
Focal aperturef/2.0 (aperture)f/1.7 (aperture)
Focal length26mm lens26mm 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
2ª cameraSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Front camera (secondary)32 megapixels(dual front camera)
16 megapixels
2MP depthf/2.4
Front camera resolution6528x4896 pixels4608x3456 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.8" inches1/3.06" inches
Pixel size0.8µm pixel1µm pixel
MultimediaSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
RadioFM (RDS)Not supported
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
ConnectivitySamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
USBUSB 2.0 Type-C, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE5.1 + A2DP/LE
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Face unlock
Fingerprint sensor (side-mounted)
Other features- Colors: Prism Cube Black, Prism Cube White, Prism Cube Pink
- One UI 2
- Always On Display
- WiFi direct, hotspot
- Colors: Ink Black, Dew White
- ColorOS 7.2
- 24-bit/192kHz audio
- Case included
- WiFi direct, hotspot
Power supplySamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity4500 mAh4000 mAh
Charger, watts15W Fast battery charging18W (9V/2A) Fast battery charging
Talk time autonomyfeature not registered1560 minutes | 26 hours | 1.1 days
Standbyfeature not registered21600 minutes | 360 hours | 15 days
Radiation rateSamsung Galaxy A51 5G (SM-A516U)Oppo Reno4 Z 5G
SAR 1.6W/kg (USA, Mexico, etc.)1.18W/kg (head) | 1.2W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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