Samsung Galaxy S3 (GT-i9305T) vs Samsung Galaxy A8 Duos (SM-A800YZ)

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Side by side comparison between Samsung Galaxy S3 vs Samsung Galaxy A8 phones, differences, pros, cons and full specifications. What's the better?

5/1/2017 11:56 PM, updated: 6/19/2025 6:19 PM

Compare Samsung Galaxy A8 X Samsung Galaxy S3 (GT-i9305T) 04Points

Specifications Compare Models Pictures

4.8"
AMOLED

720x1280

8
MP

2mp

2GB
RAM

Quad-core

2100
mAh

(Removable)

23Points Samsung Galaxy A8 Duos (SM-A800YZ) Compare Samsung Galaxy S3 X

Specifications Compare Models Pictures

5.7"
AMOLED

1080x1920

16
MP

5mp

2GB
RAM

Octa-core

3050
mAh

(Non removable)

What's the better phone? Samsung Galaxy A8 Duos (SM-A800YZ)

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 Samsung Galaxy S3 (GT-i9305T)	vs	23 Advantages Samsung Galaxy A8 Duos (SM-A800YZ)
+133 grams (4.66 ounces)14% Lighter	vs	151 grams (5.29 ounces)
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	Li-Ion: lithium-ion (Non removable)
1.4GHz 32bit Quad-core (32nm)	vs	+1.8GHz 32bit Octa-core61% More powerful processor, you can open your applications faster
2GB LPDDR2	vs	+2GB LPDDR3Advantage This RAM type is better and more efficient.
16GB (11GB available)	vs	+32GB (25GB available)127% More internal storage for applications and files
eMMC 4.41	vs	+eMMC 5.0Advantage Fastest write and read storage.
Until 64GB microSD, microSDXC	vs	+Until 128GB microSD, microSDXC100% More external storage for files using memory cards
8.6 millimeters (0.34 inches)	vs	+5.9 millimeters (0.23 inches)46% Thinner
Plastic body, glass front	vs	+Aluminum body, glass front, plastic backAdvantage More resistant material
720x1280 pixels	vs	+1080x1920 pixels125% Higher resolution screen
306 PPI	vs	+386 PPI26% Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.8"	vs	+5.7"19% Larger screen
(back) 8MP	vs	+(back) 16MP99% Higher resolution main camera
f/2.6 (aperture)	vs	+f/1.9 (aperture)37% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MP	vs	+(front) 5MP162% Higher resolution secondary camera to take pictures and selfies
(front) HD (1280x720)	vs	+(front) Full HD (1920x1080)125% More image quality for recording videos with the secondary camera
Android 4.4 KitKat	vs	+Android 6.0 MarshmallowAdvantage Android 6.0 Marshmallow is newer and safer
(4G LTE) 100 Mbps	vs	+(4G LTE) 150 Mbps50% Faster for surfing the internet and download files
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (front-mounted)Advantage Sensors help you use the device
2100 mAh	vs	+3050 mAh45% 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	+4.1 + A2DPAdvantage Bluetooth 4.1 + A2DP is newer and faster

27 Common items in both devices

Super AMOLED

16 million

LED flash

Only digital zoom

Autofocus

EIS: Digital stabilization

HDR photo only main camera

+20 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
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Change model		Choose the model
Model	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Other model names	Telstra Samsung Galaxy S3 i9305T (4G LTE)	Chunghwa Telecom Galaxy A8 SM-A800IZ Dual-Sim
Country or region available	Australia, New Zealand	Taiwan
Brand	Samsung	Samsung
Release date	10/1/2012	8/1/2015
Depth	8.6 millimeters (0.34 inches)	5.9 millimeters (0.23 inches)
Size (width x height)	70.6 x 136.6 millimeters (2.78 x 5.38 in)	76.8 x 158 millimeters (3.02 x 6.22 in)
Weight	133 grams (4.66 ounces)	151 grams (5.29 ounces)
Build, materials	Plastic body, glass front	Aluminum body, glass front, plastic back
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Display type	Super AMOLED	Super AMOLED
Screen size	4.8" inches	5.7" inches
Screen-to-body ratio	~65.9% (screen-to-body ratio)	~73.8% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x1920 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	306 PPI	386 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 2	Gorilla Glass 4
Refresh rate	60Hz	feature not registered
Display features	Not supported	feature not registered
🤖 Operating System
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
System version	Android 4.1.1 Jelly Bean	Android 5.1.1 Lollipop
Firmware update	Android 4.4 KitKat	Android 6.0 Marshmallow
User Interface	TouchWiz UI	feature not registered
⚙️ Processor
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Chipset	32bit: Samsung Exynos 4412 (32nm)	32bit: Samsung Exynos 5 Octa 5430 (28nm)
CPU	Quad-core, 1 processor: 4x 1.4GHz ARM Cortex-A9 (Quad-core)	Octa-core, 2 processors: 4x 1.8GHz ARM Cortex-A15 (Quad-core) 4x 1.3GHz ARM Cortex-A7 (Quad-core)
GPU graphical controller	ARM Mali-400 MP4 (440MHz)	ARM Mali-T628 MP6 600Mhz
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
RAM memory	2GB LPDDR2	2GB LPDDR3
Internal storage	16GB (11GB available) eMMC 4.41	32GB (25GB available) eMMC 5.0
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 128GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
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) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	100/50 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 850/900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE 1800/2600	LTE Cat4 (Bands 3, 8, 28) TD-LTE (Bands 40)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Back camera (main camera)	8 megapixels	16 megapixels
Main camera resolution	3264x2448 pixels	4608x3456 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.6 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	31mm (lens)
Sensor size	1/3" inches	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital 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 only main camera
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Front camera (secondary)	2 megapixels	5 megapixels
Front camera resolution	1600x1200 pixels	2592x1944 pixels
Video recording (secondary)	HD (1280x720)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.6 (aperture)	f/1.9 (aperture)
Focal length	feature not registered	23mm (lens)
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	2 microphones	2 microphones or more
Radio	Not supported	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, XviD, MKV	MP4, H.264, H.263, MKV, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
USB	MicroUSB 2.0, USB OTG On-The-Go	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Micro-B USB MHL	Not supported
Bluetooth	4.0 + A2DP	4.1 + A2DP
WiFi	802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) + MIMO WiFi hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Sensors	Accelerometer Ambient light sensor Barometer Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (front-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Battery type	Li-Ion: lithium-ion (Removable) EB-L1G6LLU	Li-Ion: lithium-ion (Non removable)
Battery capacity	2100 mAh	3050 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	11 hours	17 hours
Standby	510 hours (21.3 days)	feature not registered
➕ Other features
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (Swype), 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, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Pebble blue, Marble white • Smart Stay eye tracking • S-Voice • Java framework	• Colors: Black, White, Gold • Samsung TouchWiz UX
☢️ Radiation rate
	Galaxy S3 (GT-i9305T)	Galaxy A8 Duos (SM-A800YZ)
SAR 1.6W/kg (USA, Mexico, etc.)	0.41W/kg (head), 0.87W/kg (body)	0.91W/kg (head), 1.099W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.244W/kg (head), 0.237W/kg (body)	0.317W/kg (head), 0.546W/kg (body)