Asus Zenfone 7 (ZS670KS 128GB/8GB) vs Samsung Galaxy S3 (GT-i9305)

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Side by side comparison between Asus Zenfone 7 vs Samsung Galaxy S3 phones, differences, pros, cons and full specifications. What's the better?

10/16/2021 10:36 AM, updated: 6/19/2025 6:19 PM

Compare Samsung Galaxy S3 X Asus Zenfone 7 (ZS670KS 128GB/8GB) 31Points

Specifications Compare Models Pictures

6.67"
AMOLED

1080x2400

64
MP

64mp

8GB
RAM

Octa-core

5000
mAh

(Non removable)

06Points Samsung Galaxy S3 (GT-i9305) Compare Asus Zenfone 7 X

Specifications Compare Models Pictures

4.8"
AMOLED

720x1280

8
MP

2mp

2GB
RAM

Quad-core

2100
mAh

(Removable)

What's the better phone? Asus Zenfone 7 (ZS670KS 128GB/8GB)

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!

31 Advantages Asus Zenfone 7 (ZS670KS 128GB/8GB)	vs	6 Advantages Samsung Galaxy S3 (GT-i9305)
+2.84GHz 64bit Octa-core (7nm)2 times More powerful processor, you can open your applications faster	vs	1.4GHz 32bit Quad-core (32nm)
+8GB LPDDR53 times More RAM memory. Typically more responsive and better for multitasking.	vs	2GB LPDDR2
+128GB (104GB available)8 times More internal storage for applications and files	vs	16GB (11GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 4.41
+Until 1TB microSD, microSDXC15 times More external storage for files using memory cards	vs	Until 64GB microSD, microSDXC
+Aluminum frame, glass front/backAdvantage More resistant material	vs	Plastic body, glass front
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+90Hz50% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1080x2400 pixels181% Higher resolution screen	vs	720x1280 pixels
+395 PPI29% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	306 PPI
+6.67"39% Larger screen	vs	4.8"
+(triple camera) 64MP + 12MP + 8MP10 times Higher resolution main camera	vs	(back) 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
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+1/1.72" inches74% The larger sensor camera lets you take photos with better depth.	vs	1/3" inches
+f/1.8 (aperture)44% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.6 (aperture)
+(triple front camera) 64MP + 12MP + 8MP43 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 2MP
+8K UHD (7680x4320)15 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 8K UHD (7680x4320)35 times More image quality for recording videos with the secondary camera	vs	(front) HD (1280x720)
+Android 12Advantage Android 12 is newer and safer	vs	Android 4.4 KitKat
+5G SA/NSAAdvantage The 5G SA/NSA network is newer and faster	vs	4G LTE
+(5G SA/NSA) 2000 Mbps19 times Faster for surfing the internet and download files	vs	(4G LTE) 100 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+5000 mAh138% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	2100 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM) (dedicated slot)
+Stereo soundAdvantage Better sound quality for listening to music or clearer hands-free calls	vs	Mono sound (not stereo)
+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 [wifi4]
+5.1 + A2DP/LEAdvantage Bluetooth 5.1 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0, USB OTG On-The-Go
235 grams (8.23 ounces)	vs	+131 grams (4.59 ounces)79% Lighter
9.6 millimeters (0.38 inches)	vs	+8.6 millimeters (0.34 inches)12% Thinner
Not supported	vs	+BarometerAdvantage Sensors help you use the device
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
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	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.

21 Common items in both devices

Super AMOLED

16 million

PDAF: phase detection autofocus / Autofocus

EIS: Digital stabilization

BSI sensor

Capacitive

Multitouch

+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 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Change model		Choose the model
Model	Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Other model names	Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (8GB RAM)	Samsung Galaxy S3 i9305 (4G LTE)
Country or region available	(Global, International)	(Latin America), (Europe), (Global, International), Saudi Arabia, Brazil, Hong Kong, New Zealand, Pakistan, Singapore
Brand	Asus	Samsung
Release date	9/1/2020, Announced: 8/26/2020	10/1/2012
Depth	9.6 millimeters (0.38 inches)	8.6 millimeters (0.34 inches)
Size (width x height)	77.3 x 165.1 millimeters (3.04 x 6.5 in)	70.6 x 136.6 millimeters (2.78 x 5.38 in)
Weight	235 grams (8.23 ounces)	131 grams (4.59 ounces)
Build, materials	Aluminum frame, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Display type	Super AMOLED	Super AMOLED
Screen size	6.67" inches	4.8" inches
Screen-to-body ratio	~84.2% (screen-to-body ratio)	~65.9% (screen-to-body ratio)
Display resolution	1080x2400 pixels (20:9)	720x1280 pixels
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	395 PPI	306 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 6	Gorilla Glass 2
Refresh rate	90Hz	60Hz
Display features	700nits[peak] HDR10+	Not supported
🤖 Operating System
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
System version	Android 10	Android 4.1.1 Jelly Bean
Firmware update	Android 12	Android 4.4 KitKat
User Interface	ZenUI 8	TouchWiz UI
⚙️ Processor
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Chipset	64bit: Qualcomm Snapdragon 865 (SM8250) (7nm)	32bit: Samsung Exynos 4412 (32nm)
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)	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core)
GPU graphical controller	Qualcomm Adreno 650 (250-587MHz)	ARM Mali-400 MP4 (440MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
RAM memory	8GB LPDDR5	2GB LPDDR2
Internal storage	128GB (104GB available) UFS 3.1	16GB (11GB available) eMMC 4.41
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 64GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	1 slot (Single-SIM) micro-SIM (3FF)
Maximum Download / Upload	2000/1024 Mbps	100/50 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	UMTS 850/900/2100
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 800/1800/2600
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+, LTE
Secondary 2G network	GSM 850/900/1800/1900	Not supported
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	Not supported
📷 Camera
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
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	8 megapixels
Main camera resolution	10120x6328 pixels	3264x2448 pixels
Video recording (primary)	8K UHD (7680x4320) 30 fps	Full HD (1920x1080) 30 fps
Flash	Dual-LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.6 (aperture)
Focal length	26mm (lens)	feature not registered
Sensor size	1/1.72" inches	1/3" inches
Pixel size	0.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Digital and optical zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo/video on both cameras	HDR photo only main camera
Camera extras	4K@120fps 1080p@240fps 720p@480fps	feature not registered
📸 Front camera
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Front camera (secondary)	Uses the back motorized camera (flip-up/rotating)	2 megapixels
Front camera resolution	10120x6328 pixels	1600x1200 pixels
Video recording (secondary)	8K UHD (7680x4320)	HD (1280x720)
Front flash	Dual-LED flash	Not supported
Focal aperture	f/1.8 (aperture)	f/2.6 (aperture)
Focal length	26mm (lens)	feature not registered
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/8GB)	Galaxy S3 (GT-i9305)
Loudspeaker	Stereo sound 24-bit/192kHz	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones
Radio	Not supported	Not supported
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
USB	USB 2.0 Type-C, USB OTG On-The-Go	MicroUSB 2.0, USB OTG On-The-Go
Audio output	Type-C jack with 3.5mm jack adapter	3.5mm jack
TV output	USB Type-C (reversible)	Micro-B USB MHL
Bluetooth	5.1 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi hotspot
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC	A-GPS, GeoTagging, GLONASS
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) EB-L1G6LLU
Battery capacity	5000 mAh	2100 mAh
Charger, watts	30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0	Wired charging
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	feature not registered	11 hours
Standby	feature not registered	510 hours (21.3 days)
➕ Other features
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (Swype), 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, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Aurora Black, Pastel White • Silicon case included	• Colors: Pebble blue, Marble white • Smart Stay eye tracking • S-Voice • Java framework
☢️ Radiation rate
	Asus Zenfone 7 (ZS670KS 128GB/8GB)	Galaxy S3 (GT-i9305)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.45W/kg (head), 0.87W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.244W/kg (head), 0.237W/kg (body)