OPPO Reno 5G vs. Samsung Galaxy A51

Phone Comparison, Reviews and Tests

In depth comparison and review of OPPO Reno 5G and Samsung Galaxy A51. Compare sizes, cameras, batteries, memory, and other important specifications and features to easily choose the right phone for you. Our goal is to help you uncover differences between the products and find the phone that will best fit your needs.

Phone Specifications Comparison

OPPO Reno 5G vs. Samsung Galaxy A51 Comparison Chart
DESIGN AND DIMENSIONS OPPO Reno 5G Samsung Galaxy A51
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A515F/DSN
Form Factor Touch Touch
Height 162 mm 158.5 mm OPPO Reno 5G has greater height than Samsung Galaxy A51.
Width 77.2 mm 73.6 mm OPPO Reno 5G has greater width than Samsung Galaxy A51.
Depth 9.3 mm 7.9 mm Samsung Galaxy A51 is narrower than OPPO Reno 5G.
Weight 215 g 172 g Samsung Galaxy A51 is lighter than OPPO Reno 5G.
Body Colour Ocean green Silver | Prism crush black | Haze crush silver | Prism crush blue | Prism crush white
Waterproof (Water-resistant) - -
SAR Value - 0.369 W/kg (head), 1.59 W/kg (body), 2.93 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C 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
DISPLAY OPPO Reno 5G Samsung Galaxy A51
Display Type OLED display OLED display
Display Technology AMOLED Super AMOLED
Screen Size (Display Size) 6.6" 6.5" OPPO Reno 5G has larger screen size than Samsung Galaxy A51.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 has better screen resolution than OPPO Reno 5G.
Display Format Full HD+ Full HD+
Pixel Density 387 ppi 408 ppi Samsung Galaxy A51 has better pixel density than OPPO Reno 5G.
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features DCI-P3 Wide colour gamut Edge-to-Edge screen, Infinity O display
Display Protection (Screen Protector) Corning Gorilla Glass 6 (scratch resistant glass) -
PROCESSOR OPPO Reno 5G Samsung Galaxy A51
Processor Type (CPU) Qualcomm Snapdragon 855 Samsung Exynos 9611
Clock Speed - 2.3 GHz
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes Yes Both phones have 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 -
MEMORY OPPO Reno 5G Samsung Galaxy A51
RAM 8 GB 4 GB OPPO Reno 5G has more RAM than Samsung Galaxy A51.
Internal Memory Size (Storage Capacity) 256 GB 128 GB OPPO Reno 5G has more internal memory than Samsung Galaxy A51.
User Memory - 107 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 512 GB
CAMERA OPPO Reno 5G Samsung Galaxy A51
MAIN CAMERA
Number of Main Cameras 3 4
Sensor Resolution 48 Megapixel 48 Megapixel Both phones have the same camera resolution.
Sensor Size 1/2" -
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Aperture F/1.7 F/2.0 OPPO Reno 5G has better lens aperture than OPPO Reno 5G.
Lens Construction 6-element -
Pixel Size 0.8 μm -
Optical Image Stabiliser (OIS) Dual OIS (Optical Image Stabilisation) - OPPO Reno 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Digital Zoom - 8x
Special Effects HDR -
Camera Modes Time-lapse mode, night mode, Expert Mode, AI Portait, Pano mode, Dazzle Colour Mode Slow motion mode, Live Focus mode
Light Source LED flash LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 1280 x 720 (720p) at 60 fps, 3840 x 2160 (4K) at 60 fps Slo-mo video 1280 x 720 (720p) at 240 fps, 3840 x 2160 (4K) at 30 fps
Camera Features (Functions) Noise reduction, Phase Detect Auto-Focus (PDAF), 10x Hybrid Zoom AR sticker, background blur, Scene Optimiser, Eye blink, Flaw detection, Stamp, Facial blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 8 Megapixel 12 Megapixel Samsung Galaxy A51 has better second camera resolution than OPPO Reno 5G.
Lens Type (2nd Camera) - Ultra wide-angle lens
Lens Aperture (2nd Camera) F/2.2 F/2.2 Both phones have the same second camera lens aperture.
Field of View (2nd Camera) - 123 degree(s)
THIRD CAMERA
Sensor Resolution (3rd Camera) 13 Megapixel 5 Megapixel OPPO Reno 5G has higher resolution third camera than Samsung Galaxy A51.
Lens Aperture (3rd Camera) F/3.0 F/2.4 Samsung Galaxy A51 has better third camera lens aperture than OPPO Reno 5G.
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Type (4th Camera) - Telephoto lens
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Front Camera Design Pop-up -
Sensor Resolution (Front) 16 Megapixel 32 Megapixel Samsung Galaxy A51 has better front camera resolution than OPPO Reno 5G.
Lens Aperture (Front) F/2.0 F/2.2 OPPO Reno 5G has better front lens aperture than OPPO Reno 5G.
Lens Element Qty (Front) 5-element -
Focus Adjustment - Focus free
Camera Modes (Front) AI Beauty -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps -
BATTERY AND CHARGING OPPO Reno 5G Samsung Galaxy A51
Battery Capacity (Battery Size) 4065 mAh 4000 mAh OPPO Reno 5G has larger battery capacity than Samsung Galaxy A51.
Fast Charging Technology VOOC Flash Charge technology - OPPO Reno 5G has fast charging technology.
Talk Time - 1920 minutes
Run Time Details - Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 16 hrs
Playback (video): up to 20 hrs
Playback (audio): up to 87 hrs
Talk (4G): up to 1920 min
Battery Technology Lithium Ion Lithium Ion
CELLULAR OPPO Reno 5G Samsung Galaxy A51
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G OPPO Reno 5G has more advanced generation mobile network.
Operating System ColorOS 6 (based on Android 9) Android 10
User Interface - One UI
Intelligent Assistant - Bixby
Navigation GPS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO Reno 5G Samsung Galaxy A51
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE
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 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 800, 900, 800 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 29, Band 32, Band 34, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 20, Band 26, Band 28, Band 38, Band 40, Band 41, Band 66
4G LTE Frequency FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 700d, FDD 1500 L, TDD 2000, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3 FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
Wireless Interface Wi-Fi IEEE 802.11a/b/g/n/ac, ANT+
Bluetooth Bluetooth 5.0 Bluetooth 5.0 LE
Bluetooth Profiles - HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO Reno 5G Samsung Galaxy A51
Supported Digital Audio Standards - 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, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology -
FEATURES OPPO Reno 5G Samsung Galaxy A51
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, gyro sensor, geomagnetic sensor Accelerometer, ambient light sensor, proximity sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display) Fingerprint reader (under display)
Additional Phone Features Protective O-Dot, Game Boost 2.0 Fast Charging, Samsung KNOX, Bixby Vision, Game Booster, Bixby Routines
OTHERS OPPO Reno 5G Samsung Galaxy A51
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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