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Samsung Galaxy S2 Epic 4G Touch (SPH-D710) vs Xiaomi Poco X3 Pro (J20SI 128GB)

Side by side comparison between Samsung Galaxy S2 Epic 4G Touch vs Xiaomi Poco X3 Pro phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Poco X3 Pro X Samsung Galaxy S2 Epic 4G Touch (SPH-D710) 05Points
4.5"
AMOLED

480x800

8
MP

2mp

1GB
RAM

Dual-core

1800
mAh

(Removable)

vs
30Points Xiaomi Poco X3 Pro (J20SI 128GB) Compare Samsung Galaxy S2 Epic 4G Touch X
6.67"
IPS

1080x2400

48
MP

20mp

6GB
RAM

Octa-core

5160
mAh

(Non removable)

What's the better phone? Xiaomi Poco X3 Pro (J20SI 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!

Galaxy S2 Epic 4G Touch (SPH-D710)} 5 Advantages Samsung Galaxy S2 Epic 4G Touch (SPH-D710) vs Poco X3 Pro (J20SI 128GB)} 30 Advantages Xiaomi Poco X3 Pro (J20SI 128GB)
+130 grams (4.55 ounces)65%
Lighter
vs215 grams (7.53 ounces)
+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid
vsTFT IPS LCD
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
vsNot supported
1.2GHz 32bit Dual-corevs+2.96GHz 64bit Octa-core (7nm)4 times
More powerful processor, you can open your applications faster
1GB LPDDR2vs+6GB LPDDR4X5 times
More RAM memory. Typically more responsive and better for multitasking.
16GBvs+128GB (106GB available)6 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 1TB microSD, microSDXC31 times
More external storage for files using memory cards
10 millimeters (0.39 inches)vs+9.4 millimeters (0.37 inches)6%
Thinner
Not supportedvs+HDR10Advantage
The HDR10 display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
480x800 pixelsvs+1080x2400 pixels6 times
Higher resolution screen
207 PPIvs+395 PPI91%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+6.67"48%
Larger screen
(back) 8MPvs+(quad camera) 48MP + 8MP + 2MP + 2MP7 times
Higher resolution main camera
LED flashvs+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
1/3.2" inchesvs+1/2" inches60%
The larger sensor camera lets you take photos with better depth.
f/2.6 (aperture)vs+f/1.8 (aperture)44%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MPvs+(front) 20MP9 times
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
Android 4.1.2 Jelly Beanvs+Android 13Advantage
Android 13 is newer and safer
4G WiMAXvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(4G WiMAX) 75 Mbpsvs+(4G LTE-A) 800 Mbps10 times
Faster for surfing the internet and download files
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (side-mounted)Advantage
Sensors help you use the device
1800 mAhvs+5160 mAh187%
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 supportedvs+FMAdvantage
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
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0, USB OTG On-The-Govs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
Not supportedvs+IP53 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

20 Common items in both devices
Plastic body, glass front
16 million
Only digital zoom
Autofocus / PDAF: phase detection autofocus
EIS: Digital stabilization
Capacitive
Multitouch
+13 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 S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Change model 
ModelGalaxy S2 Epic 4G Touch (SPH-D710)Poco X3 Pro (J20SI 128GB)
Other model namesSprint Samsung Galaxy S II Epic 4G Touch, Samsung WithinPOCO X3 Pro M2102J20SI (128GB+6GB RAM)
Country or region availableUSA
USA
India
India
BrandSamsungXiaomi
Release date9/16/20113/24/2021, Announced: 3/22/2021
Depth10 millimeters (0.39 inches)9.4 millimeters (0.37 inches)
Size (width x height)70 x 130 millimeters (2.76 x 5.12 in)76.8 x 165.3 millimeters (3.02 x 6.51 in)
Weight130 grams (4.55 ounces)215 grams (7.53 ounces)
Build, materialsPlastic body, glass frontPlastic body, glass front
Protection against water and othersNot supportedIP53 certified: protection against dust and splashing

📲 Display

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Display typeSuper AMOLED PlusTFT IPS LCD
Screen size4.5" inches6.67" inches
Screen-to-body ratio~63.3% (screen-to-body ratio)~84.6% (screen-to-body ratio)
Display resolution480x800 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)207 PPI395 PPI
Colors16 million16 million
Scratch-resistant glassGorilla GlassGorilla Glass 6
Refresh rate60Hz120Hz
Display featuresNot supported450nits[typ]
HDR10

🤖 Operating System

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
System versionAndroid 2.3.4 GingerbreadAndroid 11
Firmware updateAndroid 4.1.2 Jelly BeanAndroid 13
User Interfacefeature not registeredMIUI 12.5 / 13 / 14

⚙️ Processor

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Chipset32bit: Samsung Exynos 4 Dual 4210 (45nm)64bit: Qualcomm Snapdragon 860 (SM8150-AC) (7nm)
CPUDual-core, 1 processor:
2x 1.2GHz ARM Cortex-A9 (Dual-core)
Octa-core, 3 processors:
1x 2.96GHz Kryo 485 Gold (Single-core)
3x 2.42GHz Kryo 485 Gold (Triple-core)
4x 1.78GHz Kryo 485 Silver (Quad-core)
GPU graphical controllerARM Mali-400 MP4 266MhzQualcomm Adreno 640 (250-672MHz)
Performance (benchmark)feature not registeredAnTuTu: 483527 (v8)
Geekbench: 2574 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
RAM memory1GB LPDDR26GB LPDDR4X
Internal storage16GB128GB (106GB available)
UFS 3.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload75/25 Mbps800/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedQuad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DOUMTS 850/900/1700/1900/2100
Primary 4G networkWiMAX 802.16LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Primary 5G networkNot supportedNot supported
Primary data networkCDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, WiMAXGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Back camera (main camera)8 megapixels(quad camera)
48 megapixels
8MP ultrawide f/2.2119°1.0µm
2MP macro f/2.4
2MP depth f/2.4
Main camera resolution3264x2448 pixels8000x6000 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 30 fps
FlashLED flashDual-LED flash
Focal aperturef/2.6 (aperture)f/1.8 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor size1/3.2" inches1/2" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRNot supportedHDR photo on both cameras
Camera extrasfeature not registered1080p@960fps

📸 Front camera

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Front camera (secondary)2 megapixels20 megapixels
Front camera resolution1600x1200 pixels5184x3840 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registered1/3.4" inches
Pixel sizefeature not registered0.8µm pixel

🔉 Sound and multimedia

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
LoudspeakerSupportedStereo sound with dual speakers
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
USBMicroUSB 2.0, USB OTG On-The-GoUSB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputMicro-B USB MHLUSB Type-C (reversible)
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedNot supported
Infrared portNot supportedSupported

🧭 Sensors

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
SensorsAccelerometer
Ambient light sensor
Compass
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (side-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1800 mAh5160 mAh
Charger, wattsWired charging33W Wired fast charging
Inductive / wireless chargingNot supportedNot supported
Talk time autonomy8.8 hoursfeature not registered
Standby252 hours (10.5 days)feature not registered

➕ Other features

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder, Voice commands
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, White
• TouchWiz UI 4.0
• Java framework
• Colors: Phantom Black, Frost Blue, Metal Bronze
• Silicone Case included
• Cooling up to 6 °C
• LiquidCool 1.0 Plus

☢️ Radiation rate

Galaxy S2 Epic 4G Touch (SPH-D710)Xiaomi Poco X3 Pro (J20SI 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.99W/kg (head), 0.67W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.57W/kg (head), 0.9W/kg (body)
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