Samsung Galaxy Ace Duos (SCH-i589) vs Samsung Galaxy A51 (SM-A515F/DSM 128GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy Ace Duos vs Samsung Galaxy A51 phones, differences, pros, cons and full specifications. What's the better?

1/4/2020 4:27 PM, updated: 11/21/2022 8:39 AM

Compare Samsung Galaxy A51 X Samsung Galaxy Ace Duos (SCH-i589) 03Points

Specifications Compare Models Pictures

3.5"
TFT

320x480

3.1
MP

256MB
RAM

Single-core

1650
mAh

(Removable)

31Points Samsung Galaxy A51 (SM-A515F/DSM 128GB) Compare Samsung Galaxy Ace Duos X

Specifications Compare Models Pictures

6.5"
AMOLED

1080x2400

48
MP

32mp

6GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Samsung Galaxy A51 (SM-A515F/DSM 128GB)

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!

3 Advantages Samsung Galaxy Ace Duos (SCH-i589)	vs	31 Advantages Samsung Galaxy A51 (SM-A515F/DSM 128GB)
+125 grams (4.38 ounces)38% Lighter	vs	172 grams (6.02 ounces)
+Proximity sensorAdvantage Sensors help you use the device	vs	Virtual proximity sensor
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
800MHz 32bit Single-core	vs	+2.3GHz 64bit Octa-core (10nm)4 times More powerful processor, you can open your applications faster
256MB	vs	+6GB LPDDR4X23 times More RAM memory. Typically more responsive and better for multitasking.
512MB (158MB available)	vs	+128GB (107GB available)692 times More internal storage for applications and files
Until 32GB microSD, microSDHC	vs	+Until 1TB microSD, microSDXC31 times More external storage for files using memory cards
12.5 millimeters (0.49 inches)	vs	+7.9 millimeters (0.31 inches)58% Thinner
TFT LCD	vs	+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid
320x480 pixels	vs	+1080x2400 pixels16 times Higher resolution screen
165 PPI	vs	+405 PPI145% Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"	vs	+6.5"86% Larger screen
(back) 3.1MP	vs	+(quad camera) 48MP + 12MP + 5MP + 5MP21 times Higher resolution main camera
Not supported	vs	+LED flashAdvantage The LED flash helps in dark places or in low light
Not supported	vs	+EIS: Digital stabilizationAdvantage Image stabilization prevents blurry photos and helps in recording motion video
Not supported	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
Not supported	vs	+(front) 32MPAdvantage A front-camera is best for taking selfies
QVGA (320x240)	vs	+4K UHD (3840x2160)107 times More image quality for recording videos with the primary camera
Android 2.3.6 Gingerbread	vs	+Android 13Advantage Android 13 is newer and safer
3G CDMA2000 EV-DO Rev A	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G CDMA2000 EV-DO Rev A) 3.1 Mbps	vs	+(4G LTE-A) 600 Mbps193 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+ANT+Advantage Sensors help you use the device
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (under display)Advantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
1650 mAh	vs	+4000 mAh142% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+Video callingAdvantage The video calling allows to make calls with voice and video
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
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
3.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash player	vs	+HTML, XHTML, HTML5Advantage Better sites viewing on the internet
Not supported	vs	+Gorilla Glass 3Advantage Protection against scratches on the screen lets you carry your phone with your keys

14 Common items in both devices

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

Capacitive

Multitouch

Accelerometer

Compass

+7 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 Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Change model		Choose the model
Model	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Other model names	Samsung Galaxy Ace Duos i589 CDMA	Samsung Galaxy A51 SM-A515F/DSM
Country or region available	(Global, International), China, India	Kazakhstan, Russia
Brand	Samsung	Samsung
Release date	2/1/2012	12/16/2019, Announced: 12/12/2019
Depth	12.5 millimeters (0.49 inches)	7.9 millimeters (0.31 inches)
Size (width x height)	59.9 x 112.4 millimeters (2.36 x 4.43 in)	73.6 x 158.5 millimeters (2.9 x 6.24 in)
Weight	125 grams (4.38 ounces)	172 grams (6.02 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Display type	TFT LCD	Super AMOLED
Screen size	3.5" inches	6.5" inches
Screen-to-body ratio	~54.2% (screen-to-body ratio)	~87.4% (screen-to-body ratio)
Display resolution	320x480 pixels	1080x2400 pixels (20:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	165 PPI	405 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 3
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Always-On Display
🤖 Operating System
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
System version	Android 2.2.1 Froyo	Android 10
Firmware update	Android 2.3.6 Gingerbread	Android 13
User Interface	feature not registered	One UI 2.5 / 3.1 / 4.1 / 5.0
⚙️ Processor
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Chipset	32bit: Qualcomm MSM7627T	64bit: Samsung Exynos 9611 (10nm)
CPU	Single-core, 1 processor: 1x 800MHz ARM1136EJ-S (Single-core)	Octa-core, 2 processors: 4x 2.3GHz ARM Cortex-A73 (Quad-core) 4x 1.7GHz ARM Cortex-A53 (Quad-core)
GPU graphical controller	feature not registered	ARM Mali-G72 MP3 (850MHz)
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
RAM memory	256MB	6GB LPDDR4X
Internal storage	512MB (158MB available)	128GB (107GB available) eMMC 5.1
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 1TB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	3.1 Mbps	600/150 Mbps
Network technology	2G, 3G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Dual-Band 900/1800	Quad-Band 850/900/1800/1900
Primary 2G network	CDMA 800/1900	GSM 850/900/1800/1900
Primary 3G network	CDMA2000 1xEV-DO	UMTS 850/900/1700/1900/2100
Primary 4G network	Not supported	LTE Cat12/13 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 900/1800	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS	GPRS, EDGE
📷 Camera
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Back camera (main camera)	3.1 megapixels	(quad camera) 48 megapixels 12MP ultrawide f/2.213mm1.12µm 5MP telephoto f/2.440mm 5MP depth f/2.21/5.0"1.12µm
Main camera resolution	2048x1536 pixels	8000x6000 pixels
Video recording (primary)	QVGA (320x240)	4K UHD (3840x2160) 30 fps
Flash	Not supported	LED flash
Focal aperture	feature not registered	f/2.0 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	Autofocus	PDAF: phase detection autofocus
Touch focus	Not supported	Supported
Image stabilization	Not supported	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	Not supported	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Front camera (secondary)	Not supported	32 megapixels
Front camera resolution	Not supported	6528x4896 pixels
Video recording (secondary)	Not supported	4K UHD (3840x2160)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.2 (aperture)
Focal length	feature not registered	26mm (lens)
Sensor size	feature not registered	1/2.8" inches
Pixel size	feature not registered	0.8µm pixel
🔉 Sound and multimedia
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM (RDS)	FM (RDS)
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, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
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	Not supported
Bluetooth	3.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Sensors	Accelerometer Compass Proximity sensor	Accelerometer Ambient light sensor ANT+ Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	1650 mAh	4000 mAh
Charger, watts	Wired charging	15W Wired fast charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	7 hours	feature not registered
Standby	300 hours (12.5 days)	feature not registered
➕ Other features
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder
Messaging	SMS (Swype), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Not supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • 2GB microSD included • Samsung TouchWiz UI • Smile Shot/Panorama • WiFi hotspot • Java framework	• Colors: Prism, Crush Black, White, Blue, Pink
☢️ Radiation rate
	Galaxy Ace Duos (SCH-i589)	Galaxy A51 (SM-A515F/DSM 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	feature not registered	0.369W/kg (head), 1.59W/kg (body)