Samsung Galaxy S21 Ultra 5G vs. Samsung Galaxy A13 5G

Phone Comparison, Reviews and Tests

Detailed comparison and review of Samsung Galaxy S21 Ultra 5G and Samsung Galaxy A13 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

Samsung Galaxy S21 Ultra 5G vs. Samsung Galaxy A13 5G Comparison Chart
DESIGN AND DIMENSIONS Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Product Type Smartphone Smartphone
Manufacturer Model Number SM-G998B/DS SM-A136B/DSN
Form Factor Touch Touch
Height 161.5 mm 164.5 mm Samsung Galaxy A13 5G has greater height than Samsung Galaxy S21 Ultra 5G.
Width 75.6 mm 76.5 mm Samsung Galaxy A13 5G has greater width than Samsung Galaxy S21 Ultra 5G.
Depth 8.9 mm 8.8 mm Samsung Galaxy A13 5G is narrower than Samsung Galaxy S21 Ultra 5G.
Weight 227 g 195 g Samsung Galaxy A13 5G is lighter than Samsung Galaxy S21 Ultra 5G.
Body Colour Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium Black | White
Protection Dustproof, splashproof, water-resistant -
Waterproof (Water-resistant) Yes - Samsung Galaxy S21 Ultra 5G is waterproof.
IP rating IP68 -
SAR Value 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb) 0.845 W/kg (head), 2.18 W/kg (limb), 1.332 W/kg (body)
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, Electronic SIM card (e-SIM) Nano SIM
SIM Card Qty Dual-SIM Dual-SIM
DISPLAY Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Display Type OLED display LCD display
Display Technology Infinity-O Dynamic AMOLED 2X PLS TFT
Screen Size (Display Size) 6.8" 6.5" Samsung Galaxy S21 Ultra 5G has larger screen size than Samsung Galaxy A13 5G.
Screen Resolution (Display Resolution) 3200 x 1440 pixels 1600 x 720 pixels Samsung Galaxy S21 Ultra 5G has better screen resolution than Samsung Galaxy A13 5G.
Display Format QHD+ HD+
Pixel Density 515 ppi -
Colour Depth 16.7 million colours Up to 16 million colours Samsung Galaxy S21 Ultra 5G has better colour depth than Samsung Galaxy A13 5G.
HDR Yes - Samsung Galaxy S21 Ultra 5G has HDR.
HDR Technology HDR10+ -
Display Enhancement Technology Eye Comfort Shield -
Display Refresh Rate 120 Hz 90 Hz Samsung Galaxy S21 Ultra 5G has better refresh rate than Samsung Galaxy A13 5G.
Display Features Edge Screen, AOD(Always On Display) Edge-to-Edge screen, Infinity V Display
Display Protection (Screen Protector) Corning Gorilla Glass Victus (scratch resistant glass) -
PROCESSOR Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Processor Type (CPU) Samsung Exynos 2100 -
Clock Speed 2.9 GHz 2.2 GHz Samsung Galaxy S21 Ultra 5G has higher clock speed than Samsung Galaxy A13 5G.
Processor Core Qty 8-core 8-core Both phones have the same number of phone cores.
Graphics System (GPU) Mali-G78 MP14 -
MEMORY Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
RAM LPDDR5 SDRAM - 12 GB 4 GB Samsung Galaxy S21 Ultra 5G has more RAM than Samsung Galaxy A13 5G.
Internal Memory Size (Storage Capacity) 128 GB 64 GB Samsung Galaxy S21 Ultra 5G has more internal memory than Samsung Galaxy A13 5G.
User Memory 101.7 GB 46.7 GB
Supported Flash Memory Cards (Expandable Memory) - microSDHC, microSD, microSDXC - up to 1 TB
CAMERA Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
MAIN CAMERA
Number of Main Cameras 4 3
Sensor Resolution 12 Megapixel 50 Megapixel Samsung Galaxy A13 5G has better camera resolution than Samsung Galaxy S21 Ultra 5G.
Lens Type Ultra wide-angle lens -
Lens Aperture F/2.2 F/1.8 Samsung Galaxy A13 5G has better lens aperture than Samsung Galaxy S21 Ultra 5G.
Field of View (FoV) 120 degree(s) -
Pixel Size 1.4 μm -
Optical Image Stabiliser (OIS) Optical Image Stabiliser (OIS) - Samsung Galaxy S21 Ultra 5G has optical stabilisation.
Focus Adjustment Automatic Automatic
Laser Auto Focus Yes -
Optical Zoom 3x -
Digital Zoom 100x 10x Samsung Galaxy S21 Ultra 5G has better digital zoom than Samsung Galaxy A13 5G.
Self-Timer Delay Yes -
Special Effects Face retouch, Grid Line -
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 -
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
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 -
SECOND CAMERA
Sensor Resolution (2nd Camera) 108 Megapixel 2 Megapixel Samsung Galaxy S21 Ultra 5G has better second camera resolution than Samsung Galaxy A13 5G.
Sensor Size (2nd Camera) 1/1.33" -
Lens Type (2nd Camera) Wide-angle lens -
Lens Aperture (2nd Camera) F/1.8 F/2.4 Samsung Galaxy S21 Ultra 5G has better second camera lens aperture than Samsung Galaxy S21 Ultra 5G.
Field of View (2nd Camera) 83 degree(s) -
Pixel Size (2nd Camera) 0.8 μm -
Camera Functions (2nd Camera) - Macro camera
Camera Features (2nd Camera) Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation) -
THIRD CAMERA
Sensor Resolution (3rd Camera) 10 Megapixel 2 Megapixel Samsung Galaxy S21 Ultra 5G has higher resolution third camera than Samsung Galaxy A13 5G.
Lens Type (3rd Camera) Telephoto lens -
Lens Aperture (3rd Camera) F/2.4 F/2.4 Both phones have the same lens aperture of the third camera.
Field of View (3rd Camera) 35 degree(s) -
Pixel Size (3rd Camera) 1.22 μm -
Camera Functions (3rd Camera) - Depth camera
Camera Features (3rd Camera) Dual Pixel AF -
FOURTH CAMERA
Sensor Resolution (4th Camera) 10 Megapixel -
Lens Type (4th Camera) Telephoto lens -
Lens Aperture (4th Camera) F/4.9 -
Field of View (4th Camera) 10 degree(s) -
Pixel Size (4th Camera) 1.22 μm -
Camera Features (4th Camera) Dual Pixel AF -
FRONT CAMERA
Number of Front Cameras 1 1
Sensor Resolution (Front) 40 Megapixels 5 Megapixel Samsung Galaxy S21 Ultra 5G has better front camera resolution than Samsung Galaxy A13 5G.
Lens Aperture (Front) F/2.2 F/2.0 Samsung Galaxy A13 5G has better front lens aperture than Samsung Galaxy S21 Ultra 5G.
Field of View (Front) 80 degree(s) -
Pixel Size (Front) 0.7 μm -
Focus Adjustment Automatic -
Camera Features (Front) Phase Detect Auto-Focus (PDAF) -
BATTERY AND CHARGING Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Battery Capacity (Battery Size) 5000 mAh 5000 mAh Both phones have the same battery capacity.
Fast Charging Technology Qualcomm Quick Charge 2.0, Adaptive Fast Charging, Samsung Super Fast Charging, Power Delivery 3.0 - Samsung Galaxy S21 Ultra 5G has fast charging technology.
Wireless Charging Yes - Samsung Galaxy S21 Ultra 5G can be charged wirelessly.
Wireless Charging Standards WPC, Qi, Fast Wireless Charging 2.0, Wireless PowerShare -
Talk Time 2460 minutes 2160 minutes Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than Samsung Galaxy A13 5G.
Run Time Details Talk (4G): up to 2460 min
Active online usage (LTE): up to 18 hrs
Active online usage (Wi-Fi): up to 18 hrs
Playback (wireless video): up to 22 hrs
Playback (wireless audio): up to 81 hrs
Talk (4G): up to 2160 min
Active online usage (LTE): up to 20 hrs
Active online usage (Wi-Fi): up to 20 hrs
Playback (video): up to 21 hrs
Playback (audio): up to 119 hrs
CELLULAR Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 5G 5G Both phones have the same mobile network generation.
Operating System Android 11 -
User Interface - One UI 4
Intelligent Assistant Bixby -
Payment Technology Samsung Pay -
Navigation GPS, GLONASS, BeiDou, Galileo GPS, GLONASS, BeiDou, Galileo, QZSS
COMMUNICATIONS Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Data Transmission FDD-LTE, TDD-LTE, 5G NR FR1 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 8 Band 1, Band 2, Band 4, Band 5, Band 8
3G UMTS Frequency 2100, 1900, 1700, 850, 900 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 32, 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 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 1500 L, 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 700b, FDD 800 DD, FDD 850+, FDD 700 APT, TDD 2600, 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 N1, n3, n5, n7, n8, n20, n28, n38, n41, 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 FDD 2100, FDD 1800, FDD 850, FDD 2600, FDD 900, FDD 800, FDD 700APT, TDD TD 2600, TDD TD 2500, TDD TD 3500, TDD 2300
Wireless Interface IEEE 802.11a/b/g/n/ac/ax IEEE 802.11a/b/g/n/ac
Bluetooth Bluetooth 5.2 Bluetooth 5.0
NFC Yes Yes Both phones have an NFC reader for mobile payments.
MEDIA Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
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 WAV, 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 MKV, FLV, AVI, 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 Ultra 5G Samsung Galaxy A13 5G
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, gyro sensor, geomagnetic sensor
Security Devices Fingerprint reader (under display), face recognition Fingerprint reader
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, Air Command Fast Charging, Samsung KNOX, Samsung Smart Switch, Virtual Light Sensing, Virtual Proximity Sensing
OTHERS Samsung Galaxy S21 Ultra 5G Samsung Galaxy A13 5G
Included Accessories 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 -
Other projects: