OPPO R11 vs. Samsung Galaxy A51 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of OPPO R11 and Samsung Galaxy A51 5G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.

Phone Specifications Comparison

OPPO R11 vs. Samsung Galaxy A51 5G Comparison Chart
DESIGN AND DIMENSIONS OPPO R11 Samsung Galaxy A51 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-A516B/DS
Form Factor Touch Touch
Height 154.5 mm 158.9 mm Samsung Galaxy A51 5G has greater height than OPPO R11.
Width 74.8 mm 73.6 mm OPPO R11 has greater width than Samsung Galaxy A51 5G.
Depth 6.8 mm 8.7 mm OPPO R11 is narrower than OPPO R11.
Weight 150 g 187 g OPPO R11 is lighter than OPPO R11.
Body Colour Black Prism cube black | Prism cube white
Waterproof (Water-resistant) - -
SAR Value - 1.555 W/kg (body), 0.496 W/kg (head)
Connector Type Micro-USB - 5 pin Micro-USB Type B
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 R11 Samsung Galaxy A51 5G
Display Type OLED display OLED display
Display Technology Full HD Super AMOLED Infinity-O Super AMOLED
Screen Size (Display Size) 5.5" 6.5" Samsung Galaxy A51 5G has larger screen size than OPPO R11.
Screen Resolution (Display Resolution) 1920 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy A51 5G has better screen resolution than OPPO R11.
Display Format Full HD Full HD+
Pixel Density 401 ppi -
Max Brightness 430 cd/m² -
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
Display Features - Edge-to-Edge screen
Display Protection (Screen Protector) Corning Gorilla Glass 5 (scratch resistant glass) -
PROCESSOR OPPO R11 Samsung Galaxy A51 5G
Processor Type (CPU) Qualcomm Snapdragon 660 -
Clock Speed 2.2 GHz 2.2 GHz Both phones have the same clock speed.
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) Qualcomm ADRENO 512 -
MEMORY OPPO R11 Samsung Galaxy A51 5G
RAM 4 GB 6 GB Samsung Galaxy A51 5G has more RAM than OPPO R11.
Internal Memory Size (Storage Capacity) 64 GB 128 GB Samsung Galaxy A51 5G has more internal memory than OPPO R11.
User Memory - 105.3 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 256 GB microSDHC, microSDXC - up to 1 TB
CAMERA OPPO R11 Samsung Galaxy A51 5G
MAIN CAMERA
Number of Main Cameras 2 4
Sensor Resolution 20 Megapixel 48 Megapixel Samsung Galaxy A51 5G has better camera resolution than OPPO R11.
Lens Aperture F/2.6 F/2.0 Samsung Galaxy A51 5G has better lens aperture than OPPO R11.
Lens Construction 6-element -
Focus Adjustment Automatic Automatic
Digital Zoom 2x 8x Samsung Galaxy A51 5G has better digital zoom than OPPO R11.
Special Effects - Bokeh effect
HDR Mode Auto HDR mode -
Camera Modes Panorama, Professional mode, portrait mode Slow motion video
Face Recognition (Face ID) Face detection - OPPO R11 has face detection.
Light Source LED light LED flash
Video Resolutions 1920 x 1080 (1080p) 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) Live Focus, background blur
SECOND CAMERA
Sensor Resolution (2nd Camera) 16 Megapixel 12 Megapixel OPPO R11 has better second camera resolution than Samsung Galaxy A51 5G.
Lens Type (2nd Camera) Wide-angle lens Ultra wide-angle lens
Lens Aperture (2nd Camera) F/1.7 F/2.2 OPPO R11 has better second camera lens aperture than OPPO R11.
Lens Element Qty (2nd Camera) 5-element -
Field of View (2nd Camera) - 123 degree(s)
Camera Features (2nd Camera) 5-piece lens -
THIRD CAMERA
Sensor Resolution (3rd Camera) - 5 Megapixel
Lens Aperture (3rd Camera) - F/2.4
Camera Functions (3rd Camera) - Macro camera
FOURTH CAMERA
Sensor Resolution (4th Camera) - 5 Megapixel
Lens Aperture (4th Camera) - F/2.2
Camera Functions (4th Camera) - Depth camera
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 20 Megapixel 32 Megapixel Samsung Galaxy A51 5G has better front camera resolution than OPPO R11.
Lens Aperture (Front) F/2.0 F/2.2 OPPO R11 has better front lens aperture than OPPO R11.
Focus Adjustment - Focus free
Video Resolutions (Front) 1920 x 1080 (1080p) -
BATTERY AND CHARGING OPPO R11 Samsung Galaxy A51 5G
Battery Capacity (Battery Size) 3000 mAh 4500 mAh Samsung Galaxy A51 5G has larger battery capacity than OPPO R11.
Fast Charging Technology VOOC rapid charging system - OPPO R11 has fast charging technology.
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 polymer -
CELLULAR OPPO R11 Samsung Galaxy A51 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy A51 5G has more advanced generation mobile network.
Operating System ColorOS 3.1 (based on Android 7.1) -
Intelligent Assistant - Bixby
Navigation A-GPS, GLONASS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OPPO R11 Samsung Galaxy A51 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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 5, Band 8
3G UMTS Frequency - 2100, 1900, 850, 900
4G LTE Band Band 1, Band 3, Band 4, Band 5, Band 7, Band 8, Band 20, Band 28, Band 38, Band 39, Band 40, Band 41 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 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 1900, TDD 2300, TDD 2500 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 - N41, n78
5G NR Frequency - 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 4.2 Bluetooth 5.0
NFC - Yes Samsung Galaxy A51 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS SMS, MMS
MEDIA OPPO R11 Samsung Galaxy A51 5G
Supported Digital Audio Standards WAV, MP3, FLAC, eAAC+ WAV, WMA, AAC, AMR, MP3, FLAC, XMF, OGG, MIDI, M4A, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, MID
Supported Digital Video Standards MPEG-4, H.264 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
FEATURES OPPO R11 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, proximity sensor, digital compass, gyro sensor Accelerometer, ambient light sensor, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader Fingerprint reader (under display)
Additional Phone Features MIMO technology, Active noise-cancellation Fast Charging, Samsung KNOX, Bixby Vision, Bixby Routines, Virtual Proximity Sensing
OTHERS OPPO R11 Samsung Galaxy A51 5G
Included Accessories Headset, carrying case, USB cable, power adapter, SIM card removal tool Power adapter
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