OnePlus 7 vs. Samsung Galaxy S21+ 5G

Phone Comparison, Reviews and Tests

In depth comparison and review of OnePlus 7 and Samsung Galaxy S21+ 5G. 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

OnePlus 7 vs. Samsung Galaxy S21+ 5G Comparison Chart
DESIGN AND DIMENSIONS OnePlus 7 Samsung Galaxy S21+ 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G996B/DS
Form Factor Touch Touch
Height 157.7 mm 161.5 mm Samsung Galaxy S21+ 5G has greater height than OnePlus 7.
Width 74.8 mm 75.6 mm Samsung Galaxy S21+ 5G has greater width than OnePlus 7.
Depth 8.2 mm 7.8 mm Samsung Galaxy S21+ 5G is narrower than OnePlus 7.
Weight 182 g 200 g OnePlus 7 is lighter than OnePlus 7.
Body Colour Mirror grey Phantom black | Phantom silver | Phantom violet | Phantom gold | Phantom red
Body Material 3D glass -
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy S21+ 5G is waterproof.
IP rating - IP68
SAR Value - 1.335 W/kg (body), 0.541 W/kg (head), 2.23 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C USB Type-C - 24 pin USB-C
SIM Card Type (Size) Nano SIM Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY OnePlus 7 Samsung Galaxy S21+ 5G
Display Type OLED display OLED display
Display Technology Optic AMOLED Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 6.41" 6.7" Samsung Galaxy S21+ 5G has larger screen size than OnePlus 7.
Screen Resolution (Display Resolution) 2340 x 1080 pixels 2400 x 1080 pixels Samsung Galaxy S21+ 5G has better screen resolution than OnePlus 7.
Display Format - Full HD+
Pixel Density 402 ppi 394 ppi OnePlus 7 has better pixel density than Samsung Galaxy S21+ 5G.
Aspect Ratio 19.5:9 -
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy S21+ 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features 2.5D Glass, Reading mode, night mode, DCI-P3 Wide colour gamut, Video Enhancer AOD(Always On Display)
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR OnePlus 7 Samsung Galaxy S21+ 5G
Processor Type (CPU) Snapdragon 855 Samsung Exynos 2100
Clock Speed 2.84 GHz 2.9 GHz Samsung Galaxy S21+ 5G has higher clock speed than OnePlus 7.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
64-bit Architecture Yes - OnePlus 7 has 64-bit architecture.
Graphics System (GPU) Qualcomm ADRENO 640 Mali-G78 MP14
MEMORY OnePlus 7 Samsung Galaxy S21+ 5G
RAM LPDDR4X SDRAM - 6 GB LPDDR5 SDRAM - 8 GB Samsung Galaxy S21+ 5G has more RAM than OnePlus 7.
Internal Memory Size (Storage Capacity) 128 GB 128 GB Both phones have the same internal memory capacity.
User Memory - 102.2 GB
Memory Interface UFS 3.0 -
CAMERA OnePlus 7 Samsung Galaxy S21+ 5G
MAIN CAMERA
Number of Main Cameras 2 3
Sensor Resolution 48 Megapixel 12 Megapixel OnePlus 7 has better camera resolution than Samsung Galaxy S21+ 5G.
Sensor Name Sony Exmor RS IMX586 sensor -
Lens Type - Ultra wide-angle lens
Lens Aperture F/1.7 F/2.2 OnePlus 7 has better lens aperture than OnePlus 7.
Field of View (FoV) - 120 degree(s)
Pixel Size 0.8 μm 1.4 μm Samsung Galaxy S21+ 5G has larger camera pixel size than OnePlus 7.
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) Both phones have optical image stabilization.
Focus Adjustment Automatic Automatic
Optical Zoom - 3x
Digital Zoom - 30x
Self-Timer Delay - Yes
Special Effects HDR Face retouch, Grid Line
HDR Mode - Auto HDR mode
Camera Modes Panorama, Time-lapse mode, Pro mode, night mode, Portrait Panorama, Slow motion mode, Pro mode, HYPERLAPSE, Super Slow-mo, Flowers, Greenery, Trees, Sky, Beaches, Watersides, Snow, Backlit, Text, Food, Face, Baby, Person, Dog, Cat, People, Sunset, Sunrise, City, Waterfall, Scenery, Stage, Vehicles, Drinks, Animal, Shoes, Indoor, Clothes, Night view, Night, Motion Photo, Mountain, Single Take, Pro Video, Director's View
Light Source Dual LED flash High CRI LED flash
Video Resolutions 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1920 x 1080 (1080p) at 240 fps, Super slow motion video 1280 x 720 (720p) at 480 fps 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 7680 x 4320 (UHD 8K) at 24fps, Hyperlapse 4K video support at 30 fps, Super Steady 1080p video support at 60 fps
Camera Features (Functions) Phase Detect Auto-Focus (PDAF), Electronic Image Stabiliser (EIS), RAW image capture, AI scene detection, AI studio lighting Playback zoom, blink detection, VDIS (Video Digital Image Stabilisation), Tracking AF, Video location tags, Scene Optimiser, Flaw detection, Shot suggestions, blur detection, HDR10+ recording, Super steady, Quick Measure, Zoom-In Mic, Space Zoom, Take 33MP still photos while playing 8K video, Hybrid Optic Zoom 3x, Super Resolution Zoom up to 30x, Digital zoom up to 12x for video
SECOND CAMERA
Sensor Resolution (2nd Camera) 5 Megapixel 12 Megapixel Samsung Galaxy S21+ 5G has better second camera resolution than OnePlus 7.
Sensor Size (2nd Camera) - 1/1.76"
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) F/2.4 F/1.8 Samsung Galaxy S21+ 5G has better second camera lens aperture than OnePlus 7.
Field of View (2nd Camera) - 79 degree(s)
Pixel Size (2nd Camera) 1.12 μm 1.8 μm Samsung Galaxy S21+ 5G has larger second camera pixel size than OnePlus 7.
Camera Features (2nd Camera) - OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF
THIRD CAMERA
Sensor Resolution (3rd Camera) - 64 Megapixel
Sensor Size (3rd Camera) - 1/1.72"
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.0
Field of View (3rd Camera) - 76 degree(s)
Pixel Size (3rd Camera) - 0.8 μm
Camera Features (3rd Camera) - Phase Detect Auto-Focus (PDAF)
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 16 Megapixel 10 Megapixel OnePlus 7 has better front camera resolution than Samsung Galaxy S21+ 5G.
Sensor Name (Front) Sony Exmor RX IMX471 sensor -
Lens Aperture (Front) F/2.0 F/2.2 OnePlus 7 has better front lens aperture than OnePlus 7.
Field of View (Front) - 80 degree(s)
Pixel Size (Front) 1 μm 1.22 μm Samsung Galaxy S21+ 5G has larger front camera pixel size than OnePlus 7.
Focus Adjustment Focus free Automatic
Special Effects (Front) HDR, face retouch -
Camera Modes (Front) Time-lapse mode -
Face Recognition (Face ID) Face recognition - OnePlus 7 has face detection.
Light Source (Front) Display flash -
Video Resolutions (Front) 1920 x 1080 (1080p) at 30 fps -
Camera Features (Front) Electronic Image Stabiliser (EIS) Dual Pixel AF
BATTERY AND CHARGING OnePlus 7 Samsung Galaxy S21+ 5G
Battery Capacity (Battery Size) 3700 mAh 4800 mAh Samsung Galaxy S21+ 5G has larger battery capacity than OnePlus 7.
Fast Charging Technology - Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 Samsung Galaxy S21+ 5G has fast charging technology.
Wireless Charging - Yes Samsung Galaxy S21+ 5G can be charged wirelessly.
Wireless Charging Standards - WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare
Talk Time - 2400 minutes
Run Time Details - Talk (4G): up to 2400 min
Active online usage (LTE): up to 15 hrs
Active online usage (Wi-Fi): up to 17 hrs
Playback (wireless video): up to 22 hrs
Playback (wireless audio): up to 75 hrs
CELLULAR OnePlus 7 Samsung Galaxy S21+ 5G
Technology CDMA2000 1X / GSM / WCDMA (UMTS) / TD-SCDMA WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21+ 5G has more advanced generation mobile network.
Operating System OxygenOS (based on Android Pie) Android 11
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS, BeiDou, Galileo, SBAS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS OnePlus 7 Samsung Galaxy S21+ 5G
Data Transmission GPRS, EDGE, EV-DO, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE FDD-LTE, TDD-LTE, 5G NR FR1
2G Band 850 GSM, 900 GSM, 1800 GSM, 1900 GSM, 800 CDMA2000 1X 850 GSM, 900 GSM, 1800 GSM, 1900 GSM
3G UMTS Band Band 1, Band 2, Band 4, Band 5, Band 8, Band 9, Band 19 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900, 1700, 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 18, Band 19, Band 20, Band 25, Band 26, Band 28, Band 32, Band 38, Band 39, 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 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 850+, FDD 700 APT, FDD 1500 L, TDD 2600, TDD 1900, TDD 2300, TDD 2500, FDD 1700 - 2110 AWS-3
5G NR Band - N1, n3, n5, n7, n8, n20, n28, n38, n41, n66, n77, n78, n40
5G NR Frequency - FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, FDD AWS-3, TDD TD 3700, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA OnePlus 7 Samsung Galaxy S21+ 5G
Supported Digital Audio Standards WAV, WMA, AAC, MP3, FLAC, AC-3, AAC +, OGG, APE (Monkey's Audio), M4A, IMY, EAC3, MID, AMR-WB, AMR-NB WAV, WMA, AAC, PCM, AMR, MP3, FLAC, XMF, OGG, MIDI, APE (Monkey's Audio), M4A, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, DFF, MID, DSD64, DSD128
Supported Digital Video Standards MKV, FLV, AVI, MOV, WMV, 3GP, TS, WebM, H.265 HEVC, MP4 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements Dolby Atmos sound technology Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES OnePlus 7 Samsung Galaxy S21+ 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, digital compass, gyro sensor Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (under display), face recognition
Additional Phone Features Face Unlock, Noise Cancellation Technology, MIMO technology, Fast Charging, AI Engine Air View, MIMO technology, Smart Select, Samsung KNOX, Smart View, Live message, Screen off memo, Bixby Vision, Dual Audio, Bixby Routines, Intelligent Performance Enhancer, AR Doodle, PENUP, Bixby key, Samsung Knox Vault, Private Share function, Enhanced Game Booster
OTHERS OnePlus 7 Samsung Galaxy S21+ 5G
Included Accessories Power adapter, SIM card removal tool, sticker, USB-C cable, screen protector (pre-applied), protective case SIM card removal tool, USB-C to USB-C cable
Compliant Standards - IP68, HAC (Hearing Aid Compatible)
Max Depth of Water Resistance - 1.5 m
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