Samsung Galaxy Z Fold 3 (SM-F926U 256GB) vs Samsung Galaxy A3 Duos (SM-A300F/DS)

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Side by side comparison between Samsung Galaxy Z Fold 3 vs Samsung Galaxy A3 phones, differences, pros, cons and full specifications. What's the better?

8/29/2021 7:06 PM, updated: 5/19/2025 11:48 AM

Compare Samsung Galaxy A3 X Samsung Galaxy Z Fold 3 (SM-F926U 256GB) 38Points

Specifications Compare Models Pictures

7.6"
AMOLED

1768x2208

12.2
MP

10mp

12GB
RAM

Octa-core

4400
mAh

(Non removable)

06Points Samsung Galaxy A3 Duos (SM-A300F/DS) Compare Samsung Galaxy Z Fold 3 X

Specifications Compare Models Pictures

4.5"
AMOLED

540x960

8
MP

5mp

1GB
RAM

Quad-core

1900
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Fold 3 (SM-F926U 256GB)

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!

38 Advantages Samsung Galaxy Z Fold 3 (SM-F926U 256GB)	vs	6 Advantages Samsung Galaxy A3 Duos (SM-A300F/DS)
+2.84GHz 64bit Octa-core (5nm)166% More powerful processor, you can open your applications faster	vs	1.2GHz 64bit Quad-core (28nm)
+12GB LPDDR511 times More RAM memory. Typically more responsive and better for multitasking.	vs	1GB LPDDR2
+256GB (220GB available)17 times More internal storage for applications and files	vs	16GB (12GB available)
+UFS 3.1Advantage Fastest write and read storage.	vs	eMMC 4.5
+6.4 millimeters (0.25 inches)8% Thinner	vs	6.9 millimeters (0.27 inches)
+HDR10+Advantage The HDR10+ display provides vibrant colors and more details	vs	Not supported
+120Hz100% The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.	vs	60Hz
+1768x2208 pixels7 times Higher resolution screen	vs	540x960 pixels
+372 PPI52% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	245 PPI
+7.6"69% Larger screen	vs	4.5"
+(triple camera) 12.2MP + 12MP + 12MP4 times Higher resolution main camera	vs	(back) 8MP
+Digital and optical zoomAdvantage The zoom allows for better focus and approach to take pictures	vs	Only digital zoom
+OIS: Optical stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video	vs	EIS: Digital stabilization
+BSI sensorAdvantage The BSI sensor allows the entry of more light generating photos with more detail and brightness	vs	Not supported
+HDR photo/video on both camerasAdvantage The HDR technology produced photos with more detail in dark areas	vs	HDR photo only main camera
+f/1.8 (aperture)33% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/2.4 (aperture)
+(front) 10MP99% Higher resolution secondary camera to take pictures and selfies	vs	(front) 5MP
+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera	vs	Full HD (1920x1080)
+(front) 4K UHD (3840x2160)21 times More image quality for recording videos with the secondary camera	vs	(front) WVGA (800x480)
+Android 15Advantage Android 15 is newer and safer	vs	Android 6.0.1 Marshmallow
+5G mmWaveAdvantage The 5G mmWave network is newer and faster	vs	4G LTE
+(5G mmWave) 5000 Mbps32 times Faster for surfing the internet and download files	vs	(4G LTE) 150 Mbps
+BarometerAdvantage Sensors help you use the device	vs	Not supported
+Face unlockAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (side-mounted)Advantage Sensors help you use the device	vs	Not supported
+GyroscopeAdvantage Sensors help you use the device	vs	Not supported
+UWB (Ultra Wideband)Advantage Sensors help you use the device	vs	Not supported
+4400 mAh132% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1900 mAh
+25W6 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	3.5W
+Qi Wireless charging (Qi/WPC)Advantage Wireless charging is another way to charge the battery.	vs	Not supported
+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage You can have more mobile carriers/operators on the same device.	vs	2 slots (Dual-SIM) (hybrid slot/shares the same microSD 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 [wifi6E/6]Advantage WiFi 802.11 a/b/g/n/ac/ax [wifi6E/6] is newer and faster	vs	802.11 b/g/n [wifi4]
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
+5.2 + A2DP/LEAdvantage Bluetooth 5.2 + A2DP/LE is newer and faster	vs	4.0 + A2DP
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage Newer and faster USB version for transferring photos, mp3 or data.	vs	MicroUSB 2.0
+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.	vs	MicroUSB 2.0
+IPX8 certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example	vs	Not supported
Not supported	vs	+Until 64GB microSD, microSDXCAdvantage More external storage for files using memory cards
271 grams (9.49 ounces)	vs	+110 grams (3.85 ounces)146% Lighter
Not supported	vs	+ANT+Advantage Sensors help you use the device
Type-C reversible connector	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
Not supported	vs	+Gorilla Glass 4Advantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

Aluminum frame, flexible plastic screen, glass back / Aluminum body, glass front

Dynamic AMOLED / Super AMOLED

16 million

LED flash

PDAF: phase detection autofocus / Autofocus

Capacitive

Multitouch

+12 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 Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Change model		Choose the model
Model	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Other model names	Galaxy Fold3 5G (SM-F926U1)	Galaxy A3 (4G LTE) SM-A300F/Dual-Sim
Country or region available	USA	(Europe), Kazakhstan, Russia
Brand	Samsung	Samsung
Release date	8/27/2021, Announced: 8/11/2021	11/1/2014
Depth	6.4 millimeters (0.25 inches)	6.9 millimeters (0.27 inches)
Size (width x height)	128.1 x 158.2 millimeters (5.04 x 6.23 in)	65.5 x 130.1 millimeters (2.58 x 5.12 in)
Weight	271 grams (9.49 ounces)	110 grams (3.85 ounces)
Build, materials	Aluminum frame, flexible plastic screen, glass back Back: Gorilla Glass Victus	Aluminum body, glass front
Protection against water and others	IPX8 certified: water resistant up to 1.5 meters and 30min	Not supported
📲 Display
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Display type	Dynamic AMOLED	Super AMOLED
Screen size	7.6" inches	4.5" inches
Screen-to-body ratio	~89.7% (screen-to-body ratio)	~65.5% (screen-to-body ratio)
Display resolution	1768x2208 pixels	540x960 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	372 PPI	245 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 4
Refresh rate	120Hz	60Hz
Display features	1200nits[peak] HDR10+ Always-On Display Extra display: Dynamic AMOLED 2X 6.2" (832x2268), 120Hz, Gorilla Glass Victus	Not supported
🤖 Operating System
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
System version	Android 11	Android 4.4.4 KitKat
Firmware update	Android 15	Android 6.0.1 Marshmallow
User Interface	One UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0	TouchWiz UX
⚙️ Processor
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Chipset	64bit: Qualcomm Snapdragon 888 (SM8350) (5nm)	64bit: Qualcomm Snapdragon 410 (MSM8916) (28nm)
CPU	Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core)	Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	Qualcomm Adreno 660 (840MHz)	Qualcomm Adreno 306 (400MHz)
Performance (benchmark)	AnTuTu: 635918 (v8), 752218 (v9) Geekbench: 3239 (v5.1) GFXBench: 38fps (ES 3.1 onscreen)	feature not registered
💽 Memory and storage
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
RAM memory	12GB LPDDR5	1GB LPDDR2
Internal storage	256GB (220GB available) UFS 3.1	16GB (12GB available) eMMC 4.5
External storage	Not supported	Until 64GB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot)
📶 Mobile networks
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Dual-SIM	Dual-SIM Standby - Call active on one sim card	Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot)
SIM card	1 slot (Single-SIM) nano-SIM (4FF) + e-SIM	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	5000/1024 Mbps	150/50 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	CDMA 800/1900, GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	UMTS 850/900/1900/2100
Primary 4G network	LTE Cat20 (2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	LTE Cat4 (1, 3, 5, 7, 8, 20)
Primary 5G network	SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261)	Not supported
Primary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6, mmWave	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100	Not supported
Secondary 4G network	LTE Cat20 (2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 26, 28, 66) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE	Not supported
Secondary data network	GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6	GPRS, EDGE
📷 Camera
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Back camera (main camera)	(triple camera) 12.2 megapixels 12MP telephoto f/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom 12MP ultrawide f/2.2123°12mm1.12µm	8 megapixels
Main camera resolution	4032x3024 pixels	3264x2448 pixels
Video recording (primary)	4K UHD (3840x2160) 60 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.8 (aperture)	f/2.4 (aperture)
Focal length	26mm (lens)	31mm (lens)
Sensor size	1/1.76" inches	feature not registered
Pixel size	1.8µm pixel	feature not registered
Autofocus	PDAF: phase detection autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	OIS: Optical 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	Not supported
HDR	HDR photo/video on both cameras	HDR photo only main camera
Camera extras	4K@30/60fps 1080p@30/60fps 1080p@240fps (slow motion) 720p@960fps (slow motion) Extra cover camera: 4MP (f/1.8 2.0µm)	feature not registered
📸 Front camera
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Front camera (secondary)	10 megapixels	5 megapixels
Front camera resolution	3872x2592 pixels	2592x1944 pixels
Video recording (secondary)	4K UHD (3840x2160)	WVGA (800x480)
Front flash	Not supported	Not supported
Focal aperture	f/2.2 (aperture)	f/2.2 (aperture)
Focal length	26mm (lens)	23mm (lens)
Sensor size	1/3" inches	feature not registered
Pixel size	1.22µm pixel	feature not registered
🔉 Sound and multimedia
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Loudspeaker	Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG	Mono sound (not stereo)
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.264, H.263, WMV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
USB	USB 3.2 Type-C, USB OTG On-The-Go	MicroUSB 2.0
Audio output	Type-C reversible connector	3.5mm jack
TV output	USB Type-C (reversible)	Not supported
Bluetooth	5.2 + A2DP/LE	4.0 + A2DP
WiFi	802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot	802.11 b/g/n [wifi4] (2.4GHz) WiFi hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou	A-GPS, GeoTagging, GLONASS, BeiDou
NFC	Supported	Supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Sensors	Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband)	Accelerometer Ambient light sensor ANT+ Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Non removable)
Battery capacity	4400 mAh	1900 mAh
Charger, watts	25W Wired fast charging Reverse charging by cable USB Power Delivery 3.0	3.5W (5V/0.7A) Wired charging
Inductive / wireless charging	11W Qi Wireless charging (Qi/WPC) 4.5W Reverse wireless charging	Not supported
Talk time autonomy	34 hours (1.4 days)	12 hours
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
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: Phantom Black, Silver, Green • S Pen (Stylus Pen) • Samsung DeX • Samsung Pay	• Colors: Black, White, Blue, Silver, Pink, Gold • Java framework
☢️ Radiation rate
	Galaxy Z Fold 3 (SM-F926U 256GB)	Galaxy A3 Duos (SM-A300F/DS)
SAR 1.6W/kg (USA, Mexico, etc.)	0.73W/kg (head), 1.22W/kg (body)	1.86W/kg (head), 1.05W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.244W/kg (head), 0.301W/kg (body)