Phone Comparison - HTC Desire 820 vs Samsung Galaxy A5 vs Samsung Galaxy S21 Ultra 5G

general General Info

Manufacturer HTC Samsung Samsung
Announced September 2014 October 2014 2021, January 14
Status Coming Soon - September 2014 Available - November 2014 Coming soon. Exp. release 2021, January 29
Price - Rs. 18,090 ($266.03) [Similarly Priced] Rs. 105,999 ($0.00) [Similarly Priced]
Colors Marble White, Tuxedo Grey, Santorini White, Milky-way Grey, Tang Pearl White, Midnight Black, Platinum Silver, Soft Pink, Light B Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
Form Factor Candybar Candybar Candybar
Dimension 157.7 x 78.7 x 7.7 mm
(6.21 x 3.1 x 0.3 in)
139.3 x 69.7 x 6.7 mm
(5.48 x 2.74 x 0.26 in)
165.1 x 75.6 x 8.9 mm
(6.5 x 2.98 x 0.35 in)
Weight 155 g (5.47 oz) 123 g (4.34 oz) 227 g (8.01 oz)
SIM Type - - Single SIM (Nano-SIM and/or eSIM), Hybrid Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
CDMA2000 1xEV-DO
3G Network HSDPA 850 / 900 / 1900 / 2100 - EMEA version
HSDPA 900 / 2100 - Asia version
HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE 900 / 1800 / 2100 / 2600 - EMEA version LTE LTE
5G Network - - SA/NSA/Sub6/mmWave
Messaging SMS, MMS, Push Mail, EMail SMS, MMS, Push Mail, EMail, IM
Build Features - - - Fingerprint Sensor (under display, ultrasonic)
Samsung Pay (Visa, MasterCard certified)
IP68 dust/water resistant (up to 1.5m for 30 mins)
Stylus support
Samsung DeX, Samsung Wireless DeX (desktop experience support) ANT+

hardware Hardware and OS

OS Android OS, v4.4.2 (KitKat) Android OS, v4.4.2 (KitKat) Android 11
Processor Quad-core 1.5 GHz Cortex-A53 & quad-core 1.0 GHz Cortex-A53, Qualcomm MSM8939 Snapdragon 615 Quad-core 1.2 GHz Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International / Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China/Korea, Exynos 2100 - Global / Qualcomm Snapdragon 875 - USA
GPU Adreno 405 - Mali-G78 MP14 - International / Adreno 660 - USA/China/Korea
RAM 2 GB 2 GB 16 GB
Internal Memory 16 GB 16 GB 512 GB
External Memory microSD, up to 128 GB microSD, up to 64 GB microSDXC (uses shared SIM slot)

display Display

Type LCD Capacitive Touchscreen Super AMOLED Capacitive Touchscreen QHD+ Dynamic AMOLED 2X Display
120Hz Refresh Rate
HDR10+
1500 nits (peak)
Corning Gorilla Glass Victus
Always-on display
Colors 16M colors 16M colors 16M Colour
Size 5.5 inches 5.0 inches 6.8 inches
Resolution 720 x 1280 pixels (267 ppi) 720 x 1280 pixels (294 ppi) 1440 x 3200 pixels (516 ppi)
Screen-to-Body Ratio 67.20% 70.85% 89.46%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio No - FM radio (Snapdragon model only; market/operator dependent)
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker yes yes yes

camera Camera

Rear Camera 13 MP, 4160 x 3120 pixels 13 MP, 4128 x 3096 pixels 108 MP + 10 MP + 10 MP + 12 MP + 0.3 MP
Flash LED flash LED flash LED flash
Features Auto focus, Geo-tagging, Touch Focus, Face Detection, Simultaneous HD Video And Image Recording, HDR Auto focus, Geo-tagging, Face Detection, Panorama, HDR, Wide Selfie, Rear-cam Selfie 108 MP (2nd gen), f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
auto-HDR, panorama
Video 1080p@30fps, 720p@60fps 1080p@30fps 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Front Camera 8 MP, 1080p [Similar] 5 MP [Similar] 40 MP, f/2.2, 26mm (wide), 0.7µm, PDAF
Dual video call, Auto-HDR
4K@30/60fps, 1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSDPA, 42 Mbps; HSUPA, 5.8 Mbps; LTE, Cat4, 50 Mbps UL, 150 Mbps DL HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
Bluetooth v4.0, A2DP v4.0, BLE, ANT+ 5.2, A2DP, LE
Wi-Fi Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot
USB microUSB v2.0 microUSB v2.0 USB Type-C 3.2, USB On-The-Go
GPS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, BDS, GALILEO
Browser HTML5 HTML5 Yes

memory User Memory

Internal 16 GB, 2 GB RAM 16 GB, 2 GB RAM 512 GB, 16 GB RAM or 256 GB, 12 GB RAM or 128 GB, 12 GB RAM UFS 3.1
Expandable Storage microSD, up to 128 GB microSD, up to 64 GB microSDXC (uses shared SIM slot)
USB OTG - - Supported

Apps Sensors

Fingerprint fingerprint not supported fingerprint not supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Barometer Sensor barometer sensor barometer sensor barometer sensor present
NFC NFC not supported NFC supported NFC supported

battery Battery

Type Non-removable Li-Po Battery Non-removable Li-Po Battery Non-removable Li-Po Battery
Fast battery charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
Capacity 2600 mAh 2300 mAh 5000 mAh
Stand by Up to 424 h (3G) - -
Talk Time Up to 22 h 24 min (3G) - -