Asus Zenfone 3 (5.2 ZE520KL 16GB) vs Google Pixel 4a 5G (G025E)

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Side by side comparison between Asus Zenfone 3 vs Google Pixel 4a 5G phones, differences, pros, cons and full specifications. What's the better?

3/8/2021 10:46 AM, updated: 9/24/2024 5:57 PM

Compare Google Pixel 4a 5G X Asus Zenfone 3 (5.2 ZE520KL 16GB) 08Points

Specifications Compare Models Pictures

5.2"
IPS+

1080x1920

16
MP

8mp

2GB
RAM

Octa-core

2650
mAh

(Non removable)

23Points Google Pixel 4a 5G (G025E) Compare Asus Zenfone 3 X

Specifications Compare Models Pictures

6.2"
OLED

1080x2340

12.2
MP

8mp

6GB
RAM

Octa-core

3885
mAh

(Non removable)

What's the better phone? Google Pixel 4a 5G (G025E)

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!

8 Advantages Asus Zenfone 3 (5.2 ZE520KL 16GB)	vs	23 Advantages Google Pixel 4a 5G (G025E)
+Until 256GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+144 grams (5.04 ounces)17% Lighter	vs	168 grams (5.88 ounces)
+7.7 millimeters (0.3 inches)6% Thinner	vs	8.2 millimeters (0.32 inches)
+Aluminum body, glass front, plastic backAdvantage More resistant material	vs	Plastic body, glass front
+424 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	416 PPI
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) + e-SIM (Eletronic)
+FM (RDS)Advantage The radio lets you listen to your songs and sports in general	vs	Not supported
2GHz 64bit Octa-core (14nm)	vs	+2.4GHz 64bit Octa-core (7nm)17% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+6GB LPDDR4X2 times More RAM memory. Typically more responsive and better for multitasking.
16GB (10GB available)	vs	+128GB (109GB available)10 times More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
TFT Super IPS+	vs	+OLEDAdvantage OLED display is brighter and more vivid
Not supported	vs	+HDR8Advantage The HDR8 display provides vibrant colors and more details
60Hz	vs	+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x1920 pixels	vs	+1080x2340 pixels22% Higher resolution screen
5.2"	vs	+6.2"19% Larger screen
(back) 16MP	vs	+(dual camera) 12.2MP + 16MP77% Higher resolution main camera
Not supported	vs	+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness
f/2.0 (aperture)	vs	+f/1.7 (aperture)18% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
Android 8.0 Oreo	vs	+Android 14Advantage Android 14 is newer and safer
4G LTE	vs	+5G Sub6Advantage The 5G Sub6 network is newer and faster
(4G LTE) 150 Mbps	vs	+(5G Sub6) 3000 Mbps19 times Faster for surfing the internet and download files
Not supported	vs	+BarometerAdvantage Sensors help you use the device
2650 mAh	vs	+3885 mAh47% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+18W80% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Mono sound (not stereo)	vs	+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.2 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
USB 2.0 Type-C, USB OTG On-The-Go	vs	+USB 3.1 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.

26 Common items in both devices

16 million

Only digital zoom

LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus

OIS (4-axis): Optical stabilization / OIS: Optical stabilization

HDR photo on both cameras / HDR photo/video on both cameras

(front) 8MP

4K UHD (3840x2160)

+19 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
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Change model		Choose the model
Model	Zenfone 3 (5.2 ZE520KL 16GB)	Pixel 4a 5G (G025E)
Other model names	Zenfone 3 ZE520KL 2GB/16GB 5.2" Dual-SIM 1A090BR	Google Pixel 4a 5G G025E
Country or region available	(Global, International), Brazil, China, Philippines, India	Canada, USA
Brand	Asus	Google
Release date	7/12/2016	11/5/2020, Announced: 9/30/2020
Depth	7.7 millimeters (0.3 inches)	8.2 millimeters (0.32 inches)
Size (width x height)	73.98 x 146.87 millimeters (2.91 x 5.78 in)	74 x 153.9 millimeters (2.91 x 6.06 in)
Weight	144 grams (5.04 ounces)	168 grams (5.88 ounces)
Build, materials	Aluminum body, glass front, plastic back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Display type	TFT Super IPS+	OLED
Screen size	5.2" inches	6.2" inches
Screen-to-body ratio	~68.6% (screen-to-body ratio)	~82.9% (screen-to-body ratio)
Display resolution	1080x1920 pixels (16:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	424 PPI	416 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 3
Refresh rate	60Hz	90Hz
Display features	2.5D glass	HDR8 Always-On Display
🤖 Operating System
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
System version	Android 6.0.1 Marshmallow	Android 11
Firmware update	Android 8.0 Oreo	Android 14
User Interface	ZenUI 3.0	feature not registered
⚙️ Processor
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Chipset	64bit: Qualcomm Snapdragon 625 (MSM8953) (14nm)	64bit: Qualcomm Snapdragon 765G (SM7250-AB) (7nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 3 processors: 1x 2.4GHz Kryo 475 Prime (Single-core) 1x 2.2GHz Kryo 475 Gold (Single-core) 6x 1.8GHz Kryo 475 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 506 (650MHz)	Qualcomm Adreno 620 (625MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
RAM memory	2GB LPDDR3	6GB LPDDR4X
Internal storage	16GB (10GB available) eMMC 5.1	128GB (109GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Not supported
📶 Mobile networks
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF) and nano-SIM (4FF)	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM
Maximum Download / Upload	150/50 Mbps	3000/1024 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G, 5G
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	CDMA 800/1700/1900, GSM 850/900/1800/1900
Primary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100
Primary 4G network	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)	LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (38, 39, 40, 41, 42, 46, 48) VoLTE
Primary 5G network	Not supported	SA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 28, 41, 66, 71, 77, 78)
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Global: UMTS 850/900/1900/2100 India: UMTS 850/900/2100 Brazil: UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	Not supported
📷 Camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Back camera (main camera)	16 megapixels	(dual camera) 12.2 megapixels 16MP ultrawide f/2.2107°1.0µm
Main camera resolution	4608x3456 pixels	4032x3024 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 60 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/2.0 (aperture)	f/1.7 (aperture)
Focal length	feature not registered	27mm (lens)
Sensor size	feature not registered	1/2.55" inches
Pixel size	feature not registered	1.4µm pixel
Autofocus	LDAF/PDAF: laser/phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	OIS (4-axis): Optical stabilization	OIS: Optical stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo/video on both cameras
Camera extras	4K@30fps 1080p@30/60fps	1080p@240fps
📸 Front camera
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
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	f/2.0 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	24mm (lens)
Sensor size	feature not registered	1/4" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Loudspeaker	Mono sound (not stereo) 24-bit/192kHz	Stereo sound
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM (RDS)	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 3.1 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	USB Type-C (reversible)	USB Type-C (reversible)
Bluetooth	4.2 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
Battery type	Li-Ion: lithium-ion (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	2650 mAh	3885 mAh
Charger, watts	10W (5V/2A) Wired charging	18W Wired fast charging USB Power Delivery 2.0
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
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: Sapphire Black, Moonlight White, Shimmer Gold	• Colors: Just Black, White • Google Pay • Google Cast
☢️ Radiation rate
	Asus Zenfone 3 (5.2 ZE520KL 16GB)	Google Pixel 4a 5G (G025E)
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