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Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) vs Samsung Galaxy S2 LTE (GT-i9210)

Side by side comparison between Samsung Galaxy A15 vs Samsung Galaxy S2 LTE phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S2 LTE X Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) 24Points
6.5"
AMOLED

1080x2340

50
MP

13mp

4GB
RAM

Octa-core

5000
mAh

(Non removable)

vs
06Points Samsung Galaxy S2 LTE (GT-i9210) Compare Samsung Galaxy A15 X
4.5"
AMOLED

480x800

8
MP

2mp

1GB
RAM

Dual-core

1850
mAh

(Removable)

What's the better phone? Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB)

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!

Galaxy A15 (SM-A155F/DSN 128GB/4GB)} 24 Advantages Samsung Galaxy A15 (SM-A155F/DSN 128GB/4GB) vs Galaxy S2 LTE (GT-i9210)} 6 Advantages Samsung Galaxy S2 LTE (GT-i9210)
+2.2GHz 64bit Octa-core (6nm)133%
More powerful processor, you can open your applications faster
vs1.5GHz 32bit Dual-core
+4GB LPDDR4X3 times
More RAM memory. Typically more responsive and better for multitasking.
vs1GB LPDDR2
+128GB (108GB available)7 times
More internal storage for applications and files
vs16GB (14GB available)
+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
vsUntil 32GB microSD, microSDHC
+8.4 millimeters (0.33 inches)12%
Thinner
vs9.4 millimeters (0.37 inches)
+1080x2340 pixels6 times
Higher resolution screen
vs480x800 pixels
+396 PPI91%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs207 PPI
+6.5"44%
Larger screen
vs4.5"
+(triple camera) 50MP + 5MP + 2MP6 times
Higher resolution main camera
vs(back) 8MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsNot supported
+f/1.8 (aperture)44%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
vsf/2.6 (aperture)
+(front) 13MP6 times
Higher resolution secondary camera to take pictures and selfies
vs(front) 2MP
+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
vs(front) VGA (640x480)
+Android 14Advantage
Android 14 is newer and safer
vsAndroid 4.1.2 Jelly Bean
+(4G LTE-A) 300 Mbps2 times
Faster for surfing the internet and download files
vs(4G LTE) 100 Mbps
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
vsNot supported
+5000 mAh170%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs1850 mAh
+2 slots (Dual-SIM)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
vs1 slot (Single-SIM)
(dedicated slot)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general
vsNot supported
+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
vs802.11 a/b/g/n [wifi4]
+5.3 + A2DP/LEAdvantage
Bluetooth 5.3 + A2DP/LE is newer and faster
vs3.0 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0
+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
vsHTML, XHTML, Flash player
200 grams (7 ounces)vs+132 grams (4.62 ounces)52%
Lighter
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Virtual proximity sensorvs+Proximity sensorAdvantage
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
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supportedvs+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys

17 Common items in both devices
Super AMOLED / Super AMOLED Plus
16 million
LED flash
Only digital zoom
Autofocus
EIS: Digital stabilization
Full HD (1920x1080)
+10 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 Clear highlight

📱 Model features

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
ModelGalaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Other model namesGalaxy A15 4G LTE SM-A155F/Dual-SIM NFCSamsung Galaxy S2 LTE EU GT-i9210, Samsung Celox
Country or region available(Global, International)
(Global, International)
(Europe)
(Europe)
BrandSamsungSamsung
Release date12/16/2023, Announced: 12/11/202311/1/2011
Depth8.4 millimeters (0.33 inches)9.4 millimeters (0.37 inches)
Size (width x height)76.8 x 160.1 millimeters (3.02 x 6.3 in)69.9 x 130.9 millimeters (2.75 x 5.15 in)
Weight200 grams (7 ounces)132 grams (4.62 ounces)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Display typeSuper AMOLEDSuper AMOLED Plus
Screen size6.5" inches4.5" inches
Screen-to-body ratio~84.3% (screen-to-body ratio)~63% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)480x800 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)396 PPI207 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass
Refresh rate90Hzfeature not registered
Display features800nits[peak]feature not registered

🤖 Operating System

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
System versionAndroid 14Android 2.3.7 Gingerbread
Firmware updatefeature not registeredAndroid 4.1.2 Jelly Bean
User InterfaceOne UI 6.1feature not registered

⚙️ Processor

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Chipset64bit: MediaTek Helio G99 (6nm)32bit: Qualcomm Snapdragon S3 APQ8060
CPUOcta-core, 2 processors:
2x 2.2GHz ARM Cortex-A76 (Dual-core)
6x 2GHz ARM Cortex-A55 (Hexa-core)
Dual-core, 1 processor:
2x 1.5GHz Scorpion (Dual-core)
GPU graphical controllerARM Mali-G57 MC2Qualcomm Adreno 220
Performance (benchmark)AnTuTu: 317085 (v9), 375321 (v10)
Geekbench: 1928 (v5), 1936 (v6)
feature not registered

💽 Memory and storage

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
RAM memory4GB LPDDR4X1GB LPDDR2
Internal storage128GB (108GB available)
eMMC 5.1
16GB (14GB available)
External storageUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)
Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Dual-SIMDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
Not supported
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload300/150 Mbps100/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/2100UMTS 850/900/1900/2100
Primary 4G networkLTE Cat7 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
LTE Cat3 800/1800/2600 (Bands 3,7,20)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkUMTS 850/900/2100Not supported
Secondary 4G networkLTE Cat7 (1, 3, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Not supported
Secondary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-ANot supported

📷 Camera

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Back camera (main camera)(triple camera)
50 megapixels
5MP ultrawide f/2.2
2MP macro f/2.4
8 megapixels
Main camera resolution8160x6120 pixels3264x2448 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/2.6 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.2" inches
Pixel sizefeature not registeredfeature not registered
AutofocusAutofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo on both camerasNot supported
Camera extras1080p@30fps
720p@120fps (slow motion)
feature not registered

📸 Front camera

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Front camera (secondary)13 megapixels2 megapixels
Front camera resolution4128x3096 pixels1600x1200 pixels
Video recording (secondary)Full HD (1920x1080)VGA (640x480)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)feature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
LoudspeakerMono sound (not stereo)Supported
Active noise cancellation2 microphones or more2 microphones or more
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, DivX, XviD, H.263, H.264, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, AC3, FLAC

🔌 Connectivity

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputUSB Type-C (reversible)Micro-B USB MHL
Bluetooth5.3 + A2DP/LE3.0 + A2DP
WiFi802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (side-mounted)
Virtual proximity sensor
Accelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Battery typeLiPo: li-ion polymer (Non removable)Li-Ion: lithium-ion (Removable)
Battery capacity5000 mAh1850 mAh
Charger, watts25W Wired fast chargingWired charging
Inductive / wireless chargingNot supportedfeature not registered
Talk time autonomy51 hours (2.1 days)5 hours
Standbyfeature not registered192 hours (8 days)

➕ Other features

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (Swype), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Brave Black, Optimistic Blue, Magical Blue, Personality Yellow• Colors: Black
• Samsung TouchWiz 4.0 UI
• USB On-the-go 1.3
• Touch focus
• HAC M3/T3
• DLNA 1.5
• Active noise cancellation with dedicated mic
• Java framework

☢️ Radiation rate

Galaxy A15 (SM-A155F/DSN 128GB/4GB)Galaxy S2 LTE (GT-i9210)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.16W/kg (head), 0.66W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.42W/kg (head), 1.29W/kg (body)0.409W/kg (head), 0.422W/kg (body)
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