Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) vs Realme 6 Pro (128GB/6GB)

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Side by side comparison between Asus Zenfone 4 Selfie Pro vs Realme 6 Pro phones, differences, pros, cons and full specifications. What's the better?

3/18/2020 9:20 PM, updated: 4/1/2021 10:24 AM

Compare Realme 6 Pro X Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB) 06Points

Specifications Compare Models Pictures

5.5"
AMOLED

1080x1920

16
MP

12mp

4GB
RAM

Octa-core

3000
mAh

(Non removable)

22Points Realme 6 Pro (128GB/6GB) Compare Asus Zenfone 4 Selfie Pro X

Specifications Compare Models Pictures

6.6"
IPS

1080x2400

64
MP

16mp

6GB
RAM

Octa-core

4300
mAh

(Non removable)

What's the better phone? Realme 6 Pro (128GB/6GB)

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!

6 Advantages Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	vs	22 Advantages Realme 6 Pro (128GB/6GB)
+147 grams (5.15 ounces)37% Lighter	vs	202 grams (7.07 ounces)
+6.85 millimeters (0.27 inches)30% Thinner	vs	8.9 millimeters (0.35 inches)
+AMOLEDAdvantage AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+401 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	399 PPI
+Dual-LED on main camera and LED on front cameraAdvantage The Dual-LED on main camera and LED on front camera helps in dark places or in low light	vs	LED flash
+(front) 4K UHD (3840x2160)3 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
2GHz 64bit Octa-core	vs	+2.3GHz 64bit Octa-core13% More powerful processor, you can open your applications faster
4GB LPDDR3	vs	+6GB LPDDR4X50% More RAM memory. Typically more responsive and better for multitasking.
64GB (54GB available)	vs	+128GB (108GB available)100% More internal storage for applications and files
eMMC 5.1	vs	+UFS 2.1Advantage Fastest write and read storage.
Until 256GB microSD, microSDXC	vs	+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards
1080x1920 pixels	vs	+1080x2400 pixels25% Higher resolution screen
5.5"	vs	+6.6"20% Larger screen
(back) 16MP	vs	+(quad camera) 64MP + 12MP + 8MP + 2MP4 times Higher resolution main camera
Only digital zoom	vs	+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures
(dual front camera) 12MP + 8MP	vs	+(dual front camera) 16MP + 8MP20% Higher resolution secondary camera to take pictures and selfies
Android 7.0 Nougat	vs	+Android 10Advantage Android 10 is newer and safer
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 300 Mbps100% Faster for surfing the internet and download files
Not supported	vs	+Face unlockAdvantage Sensors help you use the device
3000 mAh	vs	+4300 mAh43% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
10W	vs	+30W2 times 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.
2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
802.11 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
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	+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster
Not supported	vs	+NFCAdvantage NFC allows you to make payments by approach quickly and securely
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	+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

21 Common items in both devices

16 million

PDAF: phase detection autofocus

EIS: Digital stabilization

HDR photo on both cameras

4K UHD (3840x2160)

4G LTE / 4G LTE-A

Capacitive

+14 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 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Change model		Choose the model
Model	Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Other model names	Asus Zenfone 4 Selfie Pro ZD552KL (64GB + 4GB RAM)	Realme 6 Pro RMX2061 (128GB + 6GB RAM)
Country or region available	Brazil, China, (Europe), Philippines, Hong Kong, India, Indonesia, Malaysia, Taiwan, (Global, International)	(Global, International)
Brand	Asus	Realme
Release date	9/14/2017	3/13/2020
Depth	6.85 millimeters (0.27 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	74.8 x 154 millimeters (2.94 x 6.06 in)	75.8 x 163.8 millimeters (2.98 x 6.45 in)
Weight	147 grams (5.15 ounces)	202 grams (7.07 ounces)
Build, materials	feature not registered	Plastic body, glass front/back
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Display type	AMOLED	TFT IPS LCD
Screen size	5.5" inches	6.6" inches
Screen-to-body ratio	~72.4% (screen-to-body ratio)	~84.7% (screen-to-body ratio)
Display resolution	1080x1920 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	401 PPI	399 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 5	Gorilla Glass 5
Refresh rate	feature not registered	90Hz
Display features	feature not registered	480nits[typ]
🤖 Operating System
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
System version	Android 7.0 Nougat	Android 10
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Chipset	64bit: Qualcomm Snapdragon 625 MSM8953 (14nm)	64bit: Qualcomm Snapdragon 720G SM7125 (8nm)
CPU	Octa-core, 1 processor: 8x 2GHz ARM Cortex-A53 (Octa-core)	Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core)
GPU graphical controller	Qualcomm Adreno 506 650Mhz	Qualcomm Adreno 618
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
RAM memory	4GB LPDDR3	6GB LPDDR4X
Internal storage	64GB (54GB available) eMMC 5.1	128GB (108GB available) UFS 2.1
External storage	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	300/150 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	Global version: UMTS 850/900/2100 USA/Brazil version: UMTS 850/900/1700/1900/2100 Taiwan/Japan/Hong Kong version: UMTS 800/850/900/1900/2100	UMTS 850/900/2100
Primary 4G network	LTE Cat4 Global version: LTE (Bands 1,3,5,7,8,20) TD-LTE (Bands 40) USA/Brazil version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan/Japan/Hong Kong version: LTE (Bands 1,3,5,7,8,18,19,26,28) TD-LTE (Bands 38,41)	LTE Cat6 (1, 3, 5, 8) TD-LTE (38, 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	GPRS, EDGE
📷 Camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Back camera (main camera)	16 megapixels	(quad camera) 64 megapixels 12MP telephoto f/2.554mm1/3.4"1.0µmPDAF2x-optical-zoom 8MP ultrawide f/2.313mm1/4.0"1.12µm 2MP macro f/2.422mm1/5.0"1.75µm
Main camera resolution	4608x3456 pixels	10120x6328 pixels
Video recording (primary)	4K UHD (3840x2160) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED on main camera and LED on front camera	LED flash
Focal aperture	feature not registered	f/1.8 (aperture)
Focal length	26mm lens	26mm lens
Sensor size	feature not registered	1/1.72" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Digital and optical zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Front camera (secondary)	(dual front camera) 12 megapixels 8MP 12mm120°	(dual front camera) 16 megapixels 8MP ultrawide f/2.21/4.0"17mm1.12µm
Front camera resolution	4000x3000 pixels	4608x3456 pixels
Video recording (secondary)	4K UHD (3840x2160)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.8 (aperture)	f/2.1 (aperture)
Focal length	25mm lens	26mm lens
Sensor size	1/2.55" inches	1/3.1" inches
Pixel size	1.4µm pixel	1µm pixel
🔉 Sound and multimedia
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Loudspeaker	Supported	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
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, OGG, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
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	4.2 + A2DP	5.1 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz) 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, NavIC
NFC	Not supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Sensors	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4300 mAh
Charger, watts	10W (5V/2A) Wired charging	30W (5V/6A) Wired fast charging VOOC 4.0
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	30 hours (1.3 days)	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
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: Rouge Red, Sunlight Gold, Deepsea Black • Metal body • ASUS ZenUI 4.0 • 2.5D screen glass • DTS sound enhancement • Hi-Res audio • 24-bit/192kHz audio • Slow motion 720p@120fps • Sony IMX362 sensor front camera • DuoPixel 24MP (2x12MP) front camera • Fast battery charging • VoLTE	• Colors: Lightning Blue, Lightning Orange • Realme UI • Dolby Atmos • 24-bit/192kHz audio
☢️ Radiation rate
	Asus Zenfone 4 Selfie Pro (ZD552KL 64GB/4GB)	Realme 6 Pro (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.19W/kg (head), 0.92W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	feature not registered