Samsung Galaxy S21+ 5G vs. Realme C31

Phone Comparison, Reviews and Tests

In depth comparison and review of Samsung Galaxy S21+ 5G and Realme C31. 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

Samsung Galaxy S21+ 5G vs. Realme C31 Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S21+ 5G Realme C31
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G996B/DS RMX3501
Form Factor Touch Touch
Height 161.5 mm 164.7 mm Realme C31 has greater height than Samsung Galaxy S21+ 5G.
Width 75.6 mm 76.1 mm Realme C31 has greater width than Samsung Galaxy S21+ 5G.
Depth 7.8 mm 8.4 mm Samsung Galaxy S21+ 5G is narrower than Samsung Galaxy S21+ 5G.
Weight 200 g 197 g Realme C31 is lighter than Samsung Galaxy S21+ 5G.
Body Colour Phantom black | Phantom silver | Phantom violet | Phantom gold | Phantom red Light silver | Dark green
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) 1.147 W/kg (body), 0.957 W/kg (head), 2.663 W/kg (limb)
Connector Type USB Type-C - 24 pin USB-C Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
SIM Card Type (Size) Nano SIM, Electronic SIM card (e-SIM) Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy S21+ 5G Realme C31
Display Type OLED display -
Display Technology Infinity-O Dynamic AMOLED 2X -
Screen Size (Display Size) 6.7" 6.5" Samsung Galaxy S21+ 5G has larger screen size than Realme C31.
Screen Resolution (Display Resolution) 2400 x 1080 pixels 1600 x 720 pixels Samsung Galaxy S21+ 5G has better screen resolution than Realme C31.
Display Format Full HD+ HD+
Pixel Density 394 ppi -
Aspect Ratio - 20:9
Colour Depth 16.7 million colours 16.7 million colours Both phones have the same color depth.
HDR Yes - Samsung Galaxy S21+ 5G has HDR.
HDR Technology HDR10+ -
Display Enhancement Technology Eye Comfort Shield -
Display Refresh Rate 120 Hz 60 Hz Samsung Galaxy S21+ 5G has better refresh rate than Realme C31.
Touch Sampling Rate - 120 Hz
Display Features AOD(Always On Display) Ultra-clear View
Display Protection (Screen Protector) Corning Gorilla Glass Victus (scratch resistant glass) -
PROCESSOR Samsung Galaxy S21+ 5G Realme C31
Processor Type (CPU) Samsung Exynos 2100 Unisoc
Processor Number - T612
Clock Speed 2.9 GHz 1.82 GHz Samsung Galaxy S21+ 5G has higher clock speed than Realme C31.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Mali-G78 MP14 ARM Mali-G57
MEMORY Samsung Galaxy S21+ 5G Realme C31
RAM LPDDR5 SDRAM - 8 GB LPDDR4X SDRAM - 4 GB + up to 7 GB virtual extension Samsung Galaxy S21+ 5G has more RAM than Realme C31.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Samsung Galaxy S21+ 5G has more internal memory than Realme C31.
User Memory 102.2 GB -
Memory Interface - UFS 2.2
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy S21+ 5G Realme C31
MAIN CAMERA
Number of Main Cameras 3 3
Sensor Resolution 12 Megapixel 13 Megapixel Realme C31 has better camera resolution than Samsung Galaxy S21+ 5G.
Lens Type Ultra wide-angle lens -
Lens Aperture F/2.2 F/2.2 Both phones have the same camera lens aperture.
Lens Construction - 5-element
Field of View (FoV) 120 degree(s) -
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S21+ 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Optical Zoom 3x -
Digital Zoom 30x -
Self-Timer Delay Yes -
Special Effects Face retouch, Grid Line HDR
HDR Mode Auto HDR mode -
Camera Modes 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 Burst mode, Panorama, Time-lapse mode, Pro mode, Portrait, Filter mode, Macro mode, Night Pro
Light Source High CRI LED flash LED flash
Video Resolutions 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 1920 x 1080 (1080p) at 30 fps, 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Functions) 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 AI Triple camera
SECOND CAMERA
Sensor Resolution (2nd Camera) 12 Megapixel 2 Megapixel Samsung Galaxy S21+ 5G has better second camera resolution than Realme C31.
Sensor Size (2nd Camera) 1/1.76" -
Lens Type (2nd Camera) Wide-angle lens -
Lens Aperture (2nd Camera) F/1.8 F/2.4 Samsung Galaxy S21+ 5G has better second camera lens aperture than Samsung Galaxy S21+ 5G.
Field of View (2nd Camera) 79 degree(s) -
Pixel Size (2nd Camera) 1.8 μm -
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) OIS (Optical Image Stabilisation), Super Speed Dual Pixel AF 4cm macro photography
THIRD CAMERA
Sensor Resolution (3rd Camera) 64 Megapixel 0.3 Megapixel Samsung Galaxy S21+ 5G has higher resolution third camera than Realme C31.
Sensor Size (3rd Camera) 1/1.72" -
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.0 F/2.8 Samsung Galaxy S21+ 5G has better third camera lens aperture than Samsung Galaxy S21+ 5G.
Field of View (3rd Camera) 76 degree(s) -
Pixel Size (3rd Camera) 0.8 μm -
Camera Functions (3rd Camera) - B&W lens
Camera Features (3rd Camera) Phase Detect Auto-Focus (PDAF) -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 10 Megapixel 5 Megapixel Samsung Galaxy S21+ 5G has better front camera resolution than Realme C31.
Lens Aperture (Front) F/2.2 F/2.2 Both phones have the same front camera lens aperture.
Lens Element Qty (Front) - 3-element
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 1.22 μm -
Focus Adjustment Automatic -
Special Effects (Front) - HDR
Camera Modes (Front) - Beauty mode, Filter mode
Video Resolutions (Front) - 1280 x 720 (720p) at 30 fps, 854 x 480 (480p) at 30 fps
Camera Features (Front) Dual Pixel AF AI Selfie
BATTERY AND CHARGING Samsung Galaxy S21+ 5G Realme C31
Battery Capacity (Battery Size) 4800 mAh 5000 mAh Realme C31 has larger battery capacity than Samsung Galaxy S21+ 5G.
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 Samsung Galaxy S21+ 5G Realme C31
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 4G Samsung Galaxy S21+ 5G has more advanced generation mobile network.
Operating System Android 11 Android 11
User Interface - Realme UI (R Edition)
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, A-GPS, BeiDou, Galileo
COMMUNICATIONS Samsung Galaxy S21+ 5G Realme C31
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 GPRS, EDGE, 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 8 Band 1, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 2100, 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 32, Band 38, Band 39, Band 40, Band 41, Band 66 Band 1, Band 3, Band 5, Band 7, Band 8, 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 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 FDD 2100, FDD 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2600, TDD 2300, TDD 2500
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/ax Wi-Fi
Bluetooth Bluetooth 5.0 Bluetooth 5.0
NFC Yes - Samsung Galaxy S21+ 5G has NFC reader for mobile payments.
MEDIA Samsung Galaxy S21+ 5G Realme C31
Supported Digital Audio Standards 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, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4 -
Sound Enhancements Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound -
FEATURES Samsung Galaxy S21+ 5G Realme C31
Phone Functions Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert -
Sensors Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor Accelerometer, proximity sensor, magnetometer, gyro sensor, light sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader (side)
Additional Phone Features 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 MIMO technology, Ultra Power Saving Mode, Fast Charging
OTHERS Samsung Galaxy S21+ 5G Realme C31
Included Accessories SIM card removal tool, USB-C to USB-C cable SIM card removal tool, 10W charger, micro-USB cable
Compliant Standards IP68, HAC (Hearing Aid Compatible) TUV Rheinland
Max Depth of Water Resistance 1.5 m -
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