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Samsung Rex 70 (S3802) vs Blu Studio Energy (D810U)

Side by side comparison between Samsung Rex 70 vs Blu Studio Energy phones, differences, pros, cons and full specifications. What's the better?

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Compare Blu Studio Energy X Samsung Rex 70 (S3802) 01Point
3"
TFT

240x320

2
MP
N/A
1000
mAh

(Removable)

vs
24Points Blu Studio Energy (D810U) Compare Samsung Rex 70 X
5"
IPS

720x1280

8
MP

2mp

1GB
RAM

Quad-core

5000
mAh

(Removable)

What's the better phone? Blu Studio Energy (D810U)

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!

Rex 70 (S3802)} 1 Advantage Samsung Rex 70 (S3802) vs Studio Energy (D810U)} 24 Advantages Blu Studio Energy (D810U)
+89 grams (3.12 ounces)102%
Lighter
vs180 grams (6.3 ounces)
10MBvs+8GB (4GB available)409 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 64GB microSD, microSDXC100%
More external storage for files using memory cards
12 millimeters (0.47 inches)vs+10.4 millimeters (0.41 inches)15%
Thinner
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
65 thousandvs+16 million245 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+720x1280 pixels11 times
Higher resolution screen
133 PPIvs+294 PPI121%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3"vs+5"67%
Larger screen
(back) 2MPvs+(back) 8MP3 times
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Not supportedvs+AutofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 2MPAdvantage
A front-camera is best for taking selfies
Supportedvs+Full HD (1920x1080)Advantage
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
2G EDGEvs+3G+ HSPA+Advantage
The 3G+ HSPA+ network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(3G+ HSPA+) 21 Mbps88 times
Faster for surfing the internet and download files
Not supportedvs+AccelerometerAdvantage
Sensors help you use the device
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
1000 mAhvs+5000 mAh4 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
Not supportedvs+A-GPS, GeoTaggingAdvantage
It's harder to lose yourself in the city with GPS on your device
3.0vs+4.0 + A2DPAdvantage
Bluetooth 4.0 + A2DP is newer and faster
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

12 Common items in both devices
Only digital zoom
Capacitive
Multitouch
Proximity sensor
Li-Ion: lithium-ion (Removable)
Hands-free calling
Vibrating alert
+5 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

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Change model 
ModelRex 70 (S3802)Studio Energy (D810U)
Other model namesSamsung Rex 70 Duos S3802 for India marketBLU Studio Energy Dual Sim, BLU D810U
Country or region availableIndia
India
USA
USA
BrandSamsungBlu
Release date3/1/20131/1/2015
Depth12 millimeters (0.47 inches)10.4 millimeters (0.41 inches)
Size (width x height)57.2 x 104.9 millimeters (2.25 x 4.13 in)71.5 x 144.5 millimeters (2.81 x 5.69 in)
Weight89 grams (3.12 ounces)180 grams (6.3 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Display typeTFT LCDTFT IPS LCD
Screen size3" inches5" inches
Screen-to-body ratio~46.4% (screen-to-body ratio)~66.7% (screen-to-body ratio)
Display resolution240x320 pixels720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)133 PPI294 PPI
Colors65 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
System versionProprietary OSAndroid 4.4.2 KitKat
Firmware updatefeature not registeredAndroid 5.0.2 Lollipop
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Chipset32bit32bit: MediaTek MT6582
CPUSingle-core, 1 processor:
Single-core XMM 2250m (Single-core)
Quad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
GPU graphical controllerfeature not registeredARM Mali-400 MP2
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
RAM memoryfeature not registered1GB LPDDR2
Internal storage10MB8GB (4GB available)
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 64GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum Download / Upload0.236 Mbps21/5.76 Mbps
Network technology2G2G, 3G
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 850/1700/1900
Primary 4G networkNot supportedNot supported
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRSGPRS, EDGE

📷 Camera

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Back camera (main camera)2 megapixels8 megapixels
Main camera resolution1600x1200 pixels3264x2448 pixels
Video recording (primary)SupportedFull HD (1920x1080) 30 fps
FlashNot supportedLED flash
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedAutofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo only main camera
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Front camera (secondary)Not supported2 megapixels
Front camera resolutionNot supported1600x1200 pixels
Video recording (secondary)Not supportedHD (1280x720)
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registeredNot supported
RadioFMFM (RDS)
TVNot supportedNot supported
Video formatsMP4, H.263MP4, H.264, H.263, DivX, XviD, WMV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, AAC+

🔌 Connectivity

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.04.0 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSNot supportedA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portfeature not registeredNot supported

🧭 Sensors

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
SensorsProximity sensorAccelerometer
Ambient light sensor
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
Battery capacity1000 mAh5000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy13 hours33 hours (1.4 days)
Standby490 hours (20.4 days)1080 hours (45 days)

➕ Other features

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS, MMS, E-mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserfeature not registeredHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White, Gray, Blue
• Samsung TouchWiz UI
• ChatON
• Opera browser
• Facebook, Twitter, YouTube
• Java framework
• Colors: Black, White, Gold
• Screen protector included
• BLU Infinite View technology

☢️ Radiation rate

Samsung Rex 70 (S3802)Blu Studio Energy (D810U)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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