Asus Zenfone 7 (ZS670KS 128GB/6GB) vs Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)

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Side by side comparison between Asus Zenfone 7 vs Asus Zenfone 4 phones, differences, pros, cons and full specifications. What's the better?

10/16/2021 10:43 AM, updated: 5/17/2022 5:35 AM

Compare Asus Zenfone 4 X Asus Zenfone 7 (ZS670KS 128GB/6GB) 24Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

64mp

6GB
RAM

Octa-core

5000
mAh

(Non removable)

06Points Asus Zenfone 4 (ZE554KL 64GB/4GB NFC) Compare Asus Zenfone 7 X

Specifications Compare Models Pictures

5.5"
IPS

1080x1920

12.2
MP

8mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

What's the better phone? Asus Zenfone 7 (ZS670KS 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!

24 Advantages Asus Zenfone 7 (ZS670KS 128GB/6GB)	vs	6 Advantages Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
+2.84GHz 64bit Octa-core (7nm)25% More powerful processor, you can open your applications faster	vs	2.2GHz 64bit Octa-core
+6GB LPDDR550% More RAM memory. Typically more responsive and better for multitasking.	vs	4GB LPDDR4X
+128GB (104GB available)100% More internal storage for applications and files	vs	64GB (52GB available)
+Until 1TB microSD, microSDXC3 times More external storage for files using memory cards	vs	Until 256GB microSD, microSDXC
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+1080x2400 pixels25% Higher resolution screen	vs	1080x1920 pixels
+6.67"21% Larger screen	vs	5.5"
+(triple camera) 64MP + 12MP + 8MP3 times Higher resolution main camera	vs	(dual camera) 12.2MP + 8MP
+Dual-LED flashAdvantage The Dual-LED flash helps in dark places or in low light	vs	LED flash
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+1/1.72" inches48% The larger sensor camera lets you take photos with better depth.	vs	1/2.55" inches
+(triple front camera) 64MP + 12MP + 8MP10 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 8MP
+8K UHD (7680x4320)3 times More image quality for recording videos with the primary camera	vs	4K UHD (3840x2160)
+(front) 8K UHD (7680x4320)15 times More image quality for recording videos with the secondary camera	vs	(front) Full HD (1920x1080)
+Android 12Advantage Android 12 is newer and safer	vs	Android 7.1.1 Nougat
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE-A
+(5G SA/NSA) 2000 Mbps2 times Faster for surfing the internet and download files	vs	(4G LTE-A) 600 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+5000 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	3300 mAh
+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.	vs	10W
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD slot)
+802.11 a/b/g/n/ac/ax [wifi6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster	vs	802.11 a/b/g/n/ac [wifi5]
+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster	vs	5.0 + A2DP/LE
235 grams (8.23 ounces)	vs	+165 grams (5.78 ounces)42% Lighter
9.6 millimeters (0.38 inches)	vs	+7.5 millimeters (0.3 inches)28% Thinner
395 PPI	vs	+401 PPI2% Crisper display of text, images and videos because it has more pixels per inch (ppi)
EIS: Digital stabilization	vs	+OIS (4-axis): Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Type-C jack with 3.5mm jack adapter	vs	+3.5mm jackAdvantage Headsets with 3.5mm Jack size are more common and easy to find in stores
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general

23 Common items in both devices

Aluminum frame, glass front/back

16 million

PDAF: phase detection autofocus

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

f/1.8 (aperture)

Capacitive

Multitouch

+16 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 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Change model		Choose the model
Model	Zenfone 7 (ZS670KS 128GB/6GB)	Zenfone 4 (ZE554KL 64GB/4GB NFC)
Other model names	Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM)	Asus Zenfone 4 (NFC version) Snapdragon 630 (4GB RAM)
Country or region available	(Global, International)	(Europe), South Africa, China, USA, Hong Kong, Taiwan
Brand	Asus	Asus
Release date	9/1/2020, Announced: 8/26/2020	10/1/2017
Depth	9.6 millimeters (0.38 inches)	7.5 millimeters (0.3 inches)
Size (width x height)	77.3 x 165.1 millimeters (3.04 x 6.5 in)	75.2 x 155.4 millimeters (2.96 x 6.12 in)
Weight	235 grams (8.23 ounces)	165 grams (5.78 ounces)
Build, materials	Aluminum frame, glass front/back	Aluminum frame, glass front/back
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6.67" inches	5.5" inches
Screen-to-body ratio	~84.2% (screen-to-body ratio)	~71.4% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	1080x1920 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch 10-points
Pixel density (dot pitch)	395 PPI	401 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass 3
Refresh rate	90Hz	feature not registered
Display features	700nits[peak] HDR10+	feature not registered
🤖 Operating System
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
System version	Android 10	Android 7.1.1 Nougat
Firmware update	Android 12	feature not registered
User Interface	ZenUI 8	feature not registered
⚙️ Processor
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Chipset	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)	64bit: Qualcomm Snapdragon 630 SDM630 (14nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core)	Octa-core, 2 processors: 4x 2.2GHz ARM Cortex-A53 (Quad-core) 4x 1.8GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (250-587MHz)	Qualcomm Adreno 508
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
RAM memory	6GB LPDDR5	4GB LPDDR4X
Internal storage	128GB (104GB available) UFS 3.1	64GB (52GB available)
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 256GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	2000/1024 Mbps	600/150 Mbps
Network technology	2G, 3G, 4G, 5G	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 800/850/900/1700/1900/2100	China version: UMTS 850/900/1900/2100 North America version: UMTS 800/850/900/1700/1900/2100 Taiwan version: UMTS 800/850/900/1800/1900/2100
Primary 4G network	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE	LTE Cat12 China version: LTE (Bands 1,2,3,5,7,8) TD-LTE (Bands 34,38,39,40,41) North America version: LTE (Bands 1,2,3,4,5,7,8,12,17,28) Taiwan version: LTE (Bands 1,2,3,5,7,8,18,19,28) TD-LTE (Bands 38,39,40,41)
Primary 5G network	SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA	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	UMTS 800/850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE	Not supported
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE
📷 Camera
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Back camera (main camera)	(triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom	(dual camera) 12.2 megapixels 8MP 12mm
Main camera resolution	10120x6328 pixels	4032x3024 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	4K UHD (3840x2160) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/1.8 (aperture)
Focal length	26mm (lens)	25mm (lens)
Sensor size	1/1.72" inches	1/2.55" inches
Pixel size	0.8µm pixel	1.4µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	OIS (4-axis): Optical stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Not supported
HDR	HDR photo/video on both cameras	HDR photo on both cameras
Camera extras	4K@120fps 1080p@240fps 720p@480fps	feature not registered
📸 Front camera
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Front camera (secondary)	Uses the back motorized camera (flip-up/rotating)	8 megapixels
Front camera resolution	10120x6328 pixels	3264x2448 pixels
Video recording (secondary)	8K UHD (7680x4320)	Full HD (1920x1080)
Front flash	Dual-LED flash	Not supported
Focal aperture	f/1.8 (aperture)	f/2.0 (aperture)
Focal length	26mm (lens)	24mm (lens)
Sensor size	1/1.72" inches	feature not registered
Pixel size	0.8µm pixel	feature not registered
🔉 Sound and multimedia
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Loudspeaker	Stereo sound 24-bit/192kHz	Supported
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, OGG, eAAC+
🔌 Connectivity
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
USB	USB 2.0 Type-C, USB OTG On-The-Go	USB 2.0 Type-C reversible connector
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.1 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	5000 mAh	3300 mAh
Charger, watts	30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	10W (5V/2A) Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	feature not registered	30 hours (1.3 days)
Standby	feature not registered	552 hours (23 days)
➕ Other features
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder
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: Aurora Black, Pastel White • Silicon case included	• Colors: Moonlight white, Mint green, Midnight black • Asus ZenUI 4.0 • 2.5D glass screen • Sony IMX362 back camera sensor • Fast battery charging: 50% in 36min • 24-bit/192kHz audio • DTS surround sound • VoLTE
☢️ Radiation rate
	Asus Zenfone 7 (ZS670KS 128GB/6GB)	Asus Zenfone 4 (ZE554KL 64GB/4GB NFC)
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