HTC Desire 825 vs. Samsung Galaxy S21 Ultra 5G

Phone Comparison, Reviews and Tests

Side by side comparison and review of HTC Desire 825 and Samsung Galaxy S21 Ultra 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

HTC Desire 825 vs. Samsung Galaxy S21 Ultra 5G Comparison Chart
DESIGN AND DIMENSIONS HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Product Type Smartphone Smartphone
Manufacturer Model Number - SM-G998B/DS
Form Factor Touch Touch
Height 156.9 mm 161.5 mm Samsung Galaxy S21 Ultra 5G has greater height than HTC Desire 825.
Width 76.9 mm 75.6 mm HTC Desire 825 has greater width than Samsung Galaxy S21 Ultra 5G.
Depth 7.4 mm 8.9 mm HTC Desire 825 is narrower than HTC Desire 825.
Weight 155 g 227 g HTC Desire 825 is lighter than HTC Desire 825.
Body Colour - Phantom silver | Phantom black | Phantom navy | Phantom brown | Phantom titanium
Protection - Dustproof, splashproof, water-resistant
Waterproof (Water-resistant) - Yes Samsung Galaxy S21 Ultra 5G is waterproof.
IP rating - IP68
SAR Value 0.377 W/kg 1.58 W/kg (body), 0.714 W/kg (head), 2.56 W/kg (limb)
Connector Type Micro-USB - 5 pin Micro-USB Type B
Headset jack - mini-phone 3.5mm
USB Type-C - 24 pin USB-C
SIM Card Type (Size) - Nano SIM, Electronic SIM card (e-SIM)
SIM Card Qty - Dual-SIM
DISPLAY HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Display Type LCD display OLED display
Display Technology Super LCD Infinity-O Dynamic AMOLED 2X
Screen Size (Display Size) 5.5" 6.8" Samsung Galaxy S21 Ultra 5G has larger screen size than HTC Desire 825.
Screen Resolution (Display Resolution) 1280 x 720 pixels 3200 x 1440 pixels Samsung Galaxy S21 Ultra 5G has better screen resolution than HTC Desire 825.
Display Format HD QHD+
Pixel Density 267 ppi 515 ppi Samsung Galaxy S21 Ultra 5G has better pixel density than HTC Desire 825.
Colour Depth - 16.7 million colours
HDR - Yes Samsung Galaxy S21 Ultra 5G has HDR.
HDR Technology - HDR10+
Display Enhancement Technology - Eye Comfort Shield
Display Refresh Rate - 120 Hz
Display Features Display colour personalisation Edge Screen, AOD(Always On Display)
Display Protection (Screen Protector) Corning Gorilla Glass (scratch resistant glass) Corning Gorilla Glass Victus (scratch resistant glass)
PROCESSOR HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Processor Type (CPU) Qualcomm Snapdragon 400 Samsung Exynos 2100
Clock Speed 1.6 GHz 2.9 GHz Samsung Galaxy S21 Ultra 5G has higher clock speed than HTC Desire 825.
Processor Core Qty Quad-core 8-core Samsung Galaxy S21 Ultra 5G has higher processor core quantity than HTC Desire 825.
Graphics System (GPU) - Mali-G78 MP14
MEMORY HTC Desire 825 Samsung Galaxy S21 Ultra 5G
RAM 2 GB LPDDR5 SDRAM - 12 GB Samsung Galaxy S21 Ultra 5G has more RAM than HTC Desire 825.
Internal Memory Size (Storage Capacity) 16 GB 128 GB Samsung Galaxy S21 Ultra 5G has more internal memory than HTC Desire 825.
User Memory 10.5 GB 101.7 GB
Supported Flash Memory Cards (Expandable Memory) microSDHC, microSDXC - up to 2 TB -
CAMERA HTC Desire 825 Samsung Galaxy S21 Ultra 5G
MAIN CAMERA
Number of Main Cameras 1 4
Sensor Resolution 13 Megapixel 12 Megapixel HTC Desire 825 has better camera resolution than Samsung Galaxy S21 Ultra 5G.
Sensor Type BSI-CMOS -
Lens Type - Ultra wide-angle lens
Lens Aperture F/2.2 F/2.2 Both phones have the same camera lens aperture.
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
Self-Timer Delay - Yes
Special Effects - Face retouch, Grid Line
HDR Mode Auto HDR mode Auto HDR mode
Camera Modes Panorama, Continuous shot 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 LED light High CRI 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
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
Sensor Size (2nd Camera) - 1/1.33"
Lens Type (2nd Camera) - Wide-angle lens
Lens Aperture (2nd Camera) - F/1.8
Field of View (2nd Camera) - 83 degree(s)
Pixel Size (2nd Camera) - 0.8 μm
Camera Features (2nd Camera) - Phase Detect Auto-Focus (PDAF), OIS (Optical Image Stabilisation)
THIRD CAMERA
Sensor Resolution (3rd Camera) - 10 Megapixel
Lens Type (3rd Camera) - Telephoto lens
Lens Aperture (3rd Camera) - F/2.4
Field of View (3rd Camera) - 35 degree(s)
Pixel Size (3rd Camera) - 1.22 μm
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) 5 Megapixel 40 Megapixels Samsung Galaxy S21 Ultra 5G has better front camera resolution than HTC Desire 825.
Sensor Type (Front) BSI-CMOS -
Lens Aperture (Front) F/2.8 F/2.2 Samsung Galaxy S21 Ultra 5G has better front lens aperture than HTC Desire 825.
Field of View (Front) - 80 degree(s)
Pixel Size (Front) - 0.7 μm
Focus Adjustment - Automatic
HDR Mode (Front) Auto HDR mode -
Camera Modes (Front) Tap to focus, Auto selfie (smile selfie, still selfie) -
Video Resolutions (Front) 1920 x 1080 (1080p) -
Camera Features (Front) Voice selfie, Self timer up to 10 seconds Phase Detect Auto-Focus (PDAF)
BATTERY AND CHARGING HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Battery Capacity (Battery Size) 2700 mAh 5000 mAh Samsung Galaxy S21 Ultra 5G has larger battery capacity than HTC Desire 825.
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
Standby Time 672 hours -
Talk Time 1440 minutes 2460 minutes Samsung Galaxy S21 Ultra 5G has longer battery life when making calls than HTC Desire 825.
Run Time Details Talk (WCDMA): up to 1440 min
Standby (WCDMA): up to 672 hrs
Active online usage (Wi-Fi): up to 7 hrs
Playback (audio): up to 48 hrs
Playback (HD video): up to 6 hrs
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
CELLULAR HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Technology WCDMA (UMTS) / GSM WCDMA (UMTS) / GSM
Mobile Broadband Generation 4G 5G Samsung Galaxy S21 Ultra 5G has more advanced generation mobile network.
Operating System Android 6.0 (Marshmallow) Android 11
User Interface HTC Sense -
Intelligent Assistant - Bixby
Payment Technology - Samsung Pay
Navigation GPS, A-GPS, GLONASS GPS, GLONASS, BeiDou, Galileo
COMMUNICATIONS HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Data Transmission GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE 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
3G UMTS Frequency - 2100, 1900, 1700, 850, 900
4G LTE Band Band 1, Band 3, Band 5, Band 7, Band 8, Band 20, Band 28, Band 40 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 1800+, FDD 850, FDD 2600, FDD 900, FDD 800 DD, FDD 700 APT, TDD 2300 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 802.11b/g/n IEEE 802.11a/b/g/n/ac/ax
Bluetooth Bluetooth 4.1 Bluetooth 5.2
NFC - Yes Samsung Galaxy S21 Ultra 5G has NFC reader for mobile payments.
Messaging Services SMS, MMS -
MEDIA HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Supported Digital Audio Standards WAV, WMA, AAC, AMR, MP3, FLAC, OGG, MIDI, M4A 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 AVI, MPEG-4, WMV, 3GP, 3G2 MKV, FLV, AVI, WMV, ASF, 3GP, M4V, WebM, 3G2, MP4
Sound Enhancements HTC BoomSound Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound
FEATURES HTC Desire 825 Samsung Galaxy S21 Ultra 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 Accelerometer, ambient light sensor, proximity sensor, barometer, gyro sensor, hall sensor, geomagnetic sensor
Security Devices - Fingerprint reader (under display), face recognition
Additional Phone Features HTC BlinkFeed, Power Saving Mode, Dual noise reduction microphones, Android Sensor Hub, Dolby Audio 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
OTHERS HTC Desire 825 Samsung Galaxy S21 Ultra 5G
Included Accessories Power adapter 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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