HTC Desire 820 (4G LTE) vs Asus Zenfone 3 (5.2 ZE520KL 16GB)

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Side by side comparison between HTC Desire 820 vs Asus Zenfone 3 phones, differences, pros, cons and full specifications. What's the better?

12/9/2016 10:08 AM, updated: 3/13/2023 9:26 AM

Compare Asus Zenfone 3 X HTC Desire 820 (4G LTE) 04Points

Specifications Compare Models Pictures

5.5"
SLCD3

720x1280

13
MP

8mp

2GB
RAM

Octa-core

2600
mAh

(Non removable)

21Points Asus Zenfone 3 (5.2 ZE520KL 16GB) Compare HTC Desire 820 X

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

2GB
RAM

Octa-core

2650
mAh

(Non removable)

What's the better phone? Asus Zenfone 3 (5.2 ZE520KL 16GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

4 Advantages HTC Desire 820 (4G LTE)	vs	21 Advantages Asus Zenfone 3 (5.2 ZE520KL 16GB)
+16GB (12GB available)20% More internal storage for applications and files	vs	16GB (10GB available)
+5.5"6% Larger screen	vs	5.2"
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.5GHz 64bit Octa-core	vs	+2GHz 64bit Octa-core (14nm)76% More powerful processor, you can open your applications faster
Until 128GB microSD, microSDXC	vs	+Until 256GB microSD, microSDXC100% More external storage for files using memory cards
155 grams (5.43 ounces)	vs	+144 grams (5.04 ounces)8% Lighter
TFT Super LCD 3	vs	+TFT Super IPS+Advantage TFT Super IPS+ display is brighter and more vivid
720x1280 pixels	vs	+1080x1920 pixels125% Higher resolution screen
267 PPI	vs	+424 PPI59% Crisper display of text, images and videos because it has more pixels per inch (ppi)
(back) 13MP	vs	+(back) 16MP23% Higher resolution main camera
LED flash	vs	+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)	vs	+f/2.0 (aperture)10% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
Android 4.4.2 KitKat	vs	+Android 8.0 OreoAdvantage Android 8.0 Oreo is newer and safer
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
2600 mAh	vs	+2650 mAh2% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.
Not supported	vs	+FM (RDS)Advantage The radio lets you listen to your songs and sports in general
802.11 a/b/g/n [wifi4]	vs	+802.11 a/b/g/n/ac [wifi5]Advantage WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
4.0 + A2DP	vs	+4.2 + A2DPAdvantage Bluetooth 4.2 + A2DP is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

24 Common items in both devices

2GB LPDDR3

7.7 millimeters (0.3 inches)

16 million

Only digital zoom

Autofocus / LDAF/PDAF: laser/phase detection autofocus

(front) 8MP

(front) Full HD (1920x1080)

+17 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Change model		Choose the model
Model	Desire 820 (4G LTE)	Zenfone 3 (5.2 ZE520KL 16GB)
Other model names	HTC Desire 820 LTE-A, HTC A50	Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR
Country or region available	feature not registered	(Global, International), Brazil, China, Philippines, India
Brand	HTC	Asus
Release date	10/1/2014	7/12/2016
Depth	7.7 millimeters (0.3 inches)	7.7 millimeters (0.3 inches)
Size (width x height)	78.7 x 157.7 millimeters (3.1 x 6.21 in)	73.98 x 146.87 millimeters (2.91 x 5.78 in)
Weight	155 grams (5.43 ounces)	144 grams (5.04 ounces)
Build, materials	feature not registered	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Display type	TFT Super LCD 3	TFT Super IPS+
Screen size	5.5" inches	5.2" inches
Screen-to-body ratio	~67.2% (screen-to-body ratio)	~68.6% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x1920 pixels (16:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	267 PPI	424 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	2.5D glass
🤖 Operating System
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
System version	Android 4.4.2 KitKat	Android 6.0.1 Marshmallow
Firmware update	feature not registered	Android 8.0 Oreo
User Interface	feature not registered	ZenUI 3.0
⚙️ Processor
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Chipset	64bit: Qualcomm Snapdragon 615 MSM8939 (28nm)	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)
CPU	Octa-core, 2 processors: 4x 1.5GHz ARM Cortex-A53 (Quad-core) 4x 1GHz ARM Cortex-A53 (Quad-core)	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)
GPU graphical controller	Qualcomm Adreno 405	Qualcomm Adreno 506 (650MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
RAM memory	2GB LPDDR3	2GB LPDDR3
Internal storage	16GB (12GB available)	16GB (10GB available) eMMC 5.1
External storage	Until 128GB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	150/50 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100 - ASIA: 900/2100	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100
Primary 4G network	LTE 900/1800/2100/2600 - ASIA: 1900/2300/2500/2600	LTE Cat4 Global: LTE (1, 2, 3, 5, 7, 8, 20) India: LTE (1, 3, 5, 8) TD-LTE (40) Brazil: LTE (1, 2, 3, 4, 5, 7, 8, 17, 28)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
📷 Camera
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Back camera (main camera)	13 megapixels	16 megapixels
Main camera resolution	4160x3120 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash	Dual-LED flash
Focal aperture	f/2.2 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	LDAF/PDAF: laser/phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	feature not registered	OIS (4-axis): Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	4K@30fps 1080p@30/60fps
📸 Front camera
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Front camera (secondary)	8 megapixels	8 megapixels
Front camera resolution	3264x2448 pixels	3264x2448 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Loudspeaker	Supported	Mono sound (not stereo) 24-bit/192kHz
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, eAAC+, FLAC
🔌 Connectivity
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	4.2 + A2DP
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Sensors	Accelerometer Ambient light sensor Compass Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	2600 mAh	2650 mAh
Charger, watts	Wired charging	10W (5V/2A) Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	22 hours	feature not registered
Standby	424 hours (17.7 days)	feature not registered
➕ Other features
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: White, Grey, Tangerine, Blue, Orange • HTC Sense UI 6.0 • HTC BoomSound • Face Fusion • Java framework	• Colors: Sapphire Black, Moonlight White, Shimmer Gold
☢️ Radiation rate
	HTC Desire 820 (4G LTE)	Asus Zenfone 3 (5.2 ZE520KL 16GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered