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Samsung Galaxy Star 2 Duos (SM-G130E) vs Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)

Side by side comparison between Samsung Galaxy Star 2 vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?

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Compare Samsung Galaxy S21 Ultra X Samsung Galaxy Star 2 Duos (SM-G130E) 04Points
3.5"
TFT

320x480

2
MP
512MB
RAM

Single-core

1300
mAh

(Removable)

vs
38Points Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) Compare Samsung Galaxy Star 2 X
6.8"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/DS 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 Star 2 Duos (SM-G130E)} 4 Advantages Samsung Galaxy Star 2 Duos (SM-G130E) vs Galaxy S21 Ultra (SM-G998B/DS 128GB)} 38 Advantages Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB)
+Until 32GB microSD, microSDHCAdvantage
More external storage for files using memory cards
vsNot supported
+107 grams (3.75 ounces)112%
Lighter
vs227 grams (7.95 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
1GHz 32bit Single-corevs+2.9GHz 64bit Octa-core (5nm)4 times
More powerful processor, you can open your applications faster
512MB LPDDR2vs+12GB LPDDR523 times
More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)vs+128GB (101GB available)50 times
More internal storage for applications and files
11.8 millimeters (0.46 inches)vs+8.9 millimeters (0.35 inches)33%
Thinner
TFT LCDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
320x480 pixelsvs+1440x3200 pixels29 times
Higher resolution screen
165 PPIvs+516 PPI2 times
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3.5"vs+6.8"94%
Larger screen
(back) 2MPvs+(quad camera) 108MP + 10MP + 10MP + 12MP72 times
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Not supportedvs+PDAF: phase detection autofocus on both camerasAdvantage
Best autofocus type for taking pictures
Not supportedvs+HDR photo/video on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
Not supportedvs+(front) 40MPAdvantage
A front-camera is best for taking selfies
WVGA (800x480)vs+8K UHD (7680x4320)85 times
More image quality for recording videos with the primary camera
Android 4.4.2 KitKatvs+Android 14Advantage
Android 14 is newer and safer
2G EDGEvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(5G SA/NSA) 5000 Mbps21185 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
Not supportedvs+UWB (Ultra Wideband)Advantage
Sensors help you use the device
1300 mAhvs+5000 mAh3 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
2 slots (Dual-SIM)
(dedicated slot)
vs+2 slots (Dual-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
Not supportedvs+A-GPS, GeoTagging, GLONASS, GALILEO, BeiDouAdvantage
It's harder to lose yourself in the city with GPS on your device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
4.0 + A2DPvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

5 Common items in both devices
Capacitive
Multitouch
Accelerometer
FM
HTML, XHTML, HTML5
+ 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 Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Change model 
ModelGalaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Other model namesSamsung Galaxy Star 2 SM-G130E Dual-SimGalaxy S21 Ultra 5G (SM-G998B/Dual-SIM)
Country or region availableSouth AfricaSaudi ArabiaUnited Arab EmiratesIndiaPakistan(Global, International)
South Africa, Saudi Arabia, United Arab Emirates, India, Pakistan, (Global, International)
(Global, International)
(Global, International)
BrandSamsungSamsung
Release date8/1/20141/29/2021, Announced: 1/14/2021
Depth11.8 millimeters (0.46 inches)8.9 millimeters (0.35 inches)
Size (width x height)59.9 x 109.8 millimeters (2.36 x 4.32 in)75.6 x 165.1 millimeters (2.98 x 6.5 in)
Weight107 grams (3.75 ounces)227 grams (7.95 ounces)
Build, materialsfeature not registeredAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Display typeTFT LCDDynamic AMOLED
Screen size3.5" inches6.8" inches
Screen-to-body ratio~55.5% (screen-to-body ratio)~89.4% (screen-to-body ratio)
Display resolution320x480 pixels1440x3200 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)165 PPI516 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass Victus
Refresh ratefeature not registered120Hz
Display featuresfeature not registered1500nits[peak]
HDR10+
Always-On Display

🤖 Operating System

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
System versionAndroid 4.4.2 KitKatAndroid 11
Firmware updatefeature not registeredAndroid 14
User Interfacefeature not registeredOne UI 3.1 / 4.1 / 5.1 / 6.0

⚙️ Processor

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Chipset32bit: Spreadtrum SC6815A64bit: Samsung Exynos 2100 (5nm)
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A7 (Single-core)
Octa-core, 3 processors:
1x 2.9GHz ARM Cortex-X1 (Single-core)
3x 2.8GHz ARM Cortex-A78 (Triple-core)
4x 2.2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controllerARM Mali-400ARM Mali-G78 MP14 (854MHz)
Performance (benchmark)feature not registeredAnTuTu: 657150 (v8), 727634 (v9)
Geekbench: 3457 (v5.2)
GFXBench: 51fps (ES 3.1 onscreen)

💽 Memory and storage

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
RAM memory512MB LPDDR212GB LPDDR5
Internal storage4GB (2GB available)128GB (101GB available)
UFS 3.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Not supported

📶 Mobile networks

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload0.236 Mbps5000/1920 Mbps
Network technology2G2G, 3G, 4G, 5G
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 networkNot supportedUMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78)
Primary data networkCSD, GPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Secondary data networkCSD, GPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA

📷 Camera

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Back camera (main camera)2 megapixels(quad camera)
108 megapixels
10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom
10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom
12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video
Main camera resolution1600x1200 pixels12000x9000 pixels
Video recording (primary)WVGA (800x480) 24 fps8K UHD (7680x4320) 24 fps
FlashNot supportedLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/1.33" inches
Pixel sizefeature not registered1.8µm pixel
AutofocusNot supportedPDAF: phase detection autofocus on both cameras
Touch focusNot supportedSupported
Image stabilizationfeature not registeredOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionNot supportedFace detection, Smile detection
BSI sensorNot supportedSupported
HDRNot supportedHDR photo/video on both cameras
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Front camera (secondary)Not supported40 megapixels
Front camera resolutionNot supported7296x5472 pixels
Video recording (secondary)Not supported4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/2.8" inches
Pixel sizefeature not registered0.7µm pixel

🔉 Sound and multimedia

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellationNot supported2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
USBMicroUSB 2.0USB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.2 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSNot supportedA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
SensorsAccelerometerAccelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wideband)
Vibrating alertSupportedSupported

🔋 Battery

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1300 mAh5000 mAh
Charger, wattsWired charging25W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingfeature not registered15W Qi wireless charging (Qi/PMA)
4.5W Reverse wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black, White
• Samsung TouchWiz UI
• WiFi hotspot
• Java framework
• Colors: Phantom Black, Silver, Titanium, Navy, Brown
• Samsung Pay (Visa, MasterCard)
• Samsung DeX
• Stylus pen support

☢️ Radiation rate

Galaxy Star 2 Duos (SM-G130E)Galaxy S21 Ultra (SM-G998B/DS 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.24W/kg (head), 0.72W/kg (body)
SAR 2W/kg (Europe, UK, etc.)0.6W/kg (head), 0.395W/kg (body)0.714W/kg (head), 1.58W/kg (body)
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