OPPO Reno4 Z 5G vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of OPPO Reno4 Z 5G and Samsung Galaxy A51 5G. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.

Phone Specifications Comparison

OPPO Reno4 Z 5G vs. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number CPH2065 SM-A516B/DS
Form Factor Touch Touch
Height 163.8 mm 158.9 mm OPPO Reno4 Z 5G has greater height than Samsung Galaxy A51 5G.
Width 75.5 mm 73.6 mm OPPO Reno4 Z 5G has greater width than Samsung Galaxy A51 5G.
Depth 8.1 mm 8.7 mm OPPO Reno4 Z 5G is narrower than OPPO Reno4 Z 5G.
Weight 184 g 187 g OPPO Reno4 Z 5G is lighter than OPPO Reno4 Z 5G.
Body Colour Ink black | Dew white Prism cube black | Prism cube white
Waterproof (Water-resistant) - -
SAR Value 0.905 W/kg (head), 0.88 W/kg (head), 2.686 W/kg (limb) 1.555 W/kg (body), 0.496 W/kg (head)
Connector Type USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
SIM Card Configuration Details - Nano SIM + nano SIM/microSD
DISPLAY OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Display Type LCD display OLED display
Display Technology LTPS Infinity-O Super AMOLED
Screen Size (Display Size) 6.57" 6.5" OPPO Reno4 Z 5G has larger screen size than Samsung Galaxy A51 5G.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 2400 x 1080 pixels Both phones have the same screen resolution.
Display Format Full HD+ Full HD+
Pixel Density 401 ppi -
Max Brightness 480 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Contrast Ratio 1500:1 -
Display Refresh Rate 120 Hz -
Touch Sampling Rate 120 Hz -
Display Features Dark mode Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 3 (scratch resistant glass) -
PROCESSOR OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Processor Type (CPU) MediaTek Dimensity 800 5G -
Processor Number MT6873V -
Clock Speed 2 GHz 2.2 GHz Samsung Galaxy A51 5G has higher clock speed than OPPO Reno4 Z 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture - Yes Samsung Galaxy A51 5G has 64-bit architecture.
Graphics System (GPU) Mali-G57 MC4 -
MEMORY OPPO Reno4 Z 5G Samsung Galaxy A51 5G
RAM LPDDR4X SDRAM - 8 GB 6 GB OPPO Reno4 Z 5G has more RAM than Samsung Galaxy A51 5G.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory - 105.3 GB
Memory Interface UFS 2.1 -
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSDXC - up to 1 TB
CAMERA OPPO Reno4 Z 5G Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 4 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2" -
Lens Aperture F/1.7 F/2.0 OPPO Reno4 Z 5G has better lens aperture than OPPO Reno4 Z 5G.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Focus Adjustment Automatic Automatic
Minimum Focal Length (Focal Distance) 25 mm -
Digital Zoom - 8x
Special Effects Live HDR, Bokeh effect, Stickers Bokeh effect
Camera Modes Panorama, Time-lapse mode, Slow motion mode, Expert Mode, Portrait, Night, Dazzle Colour Mode, Ultra dark mode Slow motion video
Light Source LED flash LED flash
Still Image Resolutions 8000 x 6000 -
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps, Slo-mo video 1280 x 720 (720p) at 480 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), EIS video stabilisation, Ultra Steady Video, contrast detection auto-focus (CDAF), 4-in-1 pixel binning Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy A51 5G has better second camera resolution than OPPO Reno4 Z 5G.
Lens Type (2nd Camera) Ultra wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) 119 degree(s) 123 degree(s) Samsung Galaxy A51 5G has larger second camera lens field of view than OPPO Reno4 Z 5G.
Pixel Size (2nd Camera) 1.12 μm -
Minimum Focal Length (2nd Camera) 16 mm -
Camera Features (2nd Camera) 5-piece lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) 2 Megapixel 5 Megapixel Samsung Galaxy A51 5G has higher resolution third camera than OPPO Reno4 Z 5G.
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Lens Element Qty (3rd Camera) 3-element -
Pixel Size (3rd Camera) 1.75 μm -
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) 2 Megapixel 5 Megapixel Samsung Galaxy A51 5G has higher resolution fourth camera than OPPO Reno4 Z 5G.
Lens Aperture (4th Camera) F/2.4 F/2.2 Samsung Galaxy A51 5G has better fourth camera lens aperture than OPPO Reno4 Z 5G.
Lens Element Qty (4th Camera) 3-element -
Pixel Size (4th Camera) 1.75 μm -
Camera Functions (4th Camera) Monochrome Depth camera
FRONT CAMERA
Number of Front Cameras 2 1
Sensor Resolution (Front) 16 Megapixel 32 Megapixel Samsung Galaxy A51 5G has better front camera resolution than OPPO Reno4 Z 5G.
Lens Aperture (Front) F/2.0 F/2.2 OPPO Reno4 Z 5G has better front lens aperture than OPPO Reno4 Z 5G.
Pixel Size (Front) 1 μm -
Focus Adjustment - Focus free
Special Effects (Front) HDR -
Camera Modes (Front) Panorama, Time-lapse mode, Slow motion mode, night mode, Expert Mode, Portrait -
Light Source (Front) Display flash -
Still Image Resolutions (Front) 4608 x 3456 -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
Camera Features (Front) 5P lens -
SECOND FRONT CAMERA
Sensor Resolution (2nd Front) 2 Megapixel -
Lens Aperture (2nd Front) F/2.4 -
Pixel Size (2nd Front) 1.75 μm -
Camera Functions (2nd Front) 3D depth camera -
Camera Features (2nd Front) 3-piece lens -
BATTERY AND CHARGING OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 4000 mAh 4500 mAh Samsung Galaxy A51 5G has larger battery capacity than OPPO Reno4 Z 5G.
Recharge Time (Charging Time) 116 min -
Talk Time - 1380 minutes
Run Time Details - Talk (4G): up to 1380 min
Active online usage (LTE): up to 16 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (video): up to 19 hrs
Playback (audio): up to 86 hrs
Battery Technology Lithium Ion -
CELLULAR OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System ColorOS 7.1 (based on Android 10) -
Intelligent Assistant - Bixby
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 6, Band 8, Band 19 Band 1, Band 2, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 17, Band 18, Band 19, Band 20, Band 26, Band 28, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 20, Band 28, Band 38, Band 40, Band 41
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
5G NR Band N1, n3, n5, n7, n8, n20, n28, n38, n41, n77, n78, n79, n40 N41, n78
5G NR Frequency FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3700, TDD TD 3500, TDD TD 4500, TDD 2300 TDD TD 2500, TDD TD 3500
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.1 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services - SMS, MMS
MEDIA OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, APE (Monkey's Audio), apt-X, LDAC, MID, SBC, apt-X HD WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MKV, FLV, AVI, WMV, ASF, 3GP, H.264, H.265, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Hi-Res audio certified, Dirac 2.0 sound effect -
FEATURES OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert
Sensors Accelerometer, ambient light sensor, proximity sensor, geomagnetic sensor, gravity sensor Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Face recognition, fingerprint reader (side) Fingerprint reader (under display)
Additional Phone Features Multitasking, Fast Charging, OPPO Relax Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS OPPO Reno4 Z 5G Samsung Galaxy A51 5G
Included Accessories Headphones, power adapter, SIM card removal tool, USB-C cable, protective case Power adapter
Compliant Standards TUV Rheinland Low Blue Light Certification -
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