Motorola Primus (XT621) vs Samsung Rex 70 (S3802)

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

4/29/2017 10:25 PM, updated: 5/10/2020 8:46 PM

Compare Samsung Rex 70 X Motorola Primus (XT621) 16Points

Specifications Compare Models Pictures

4"
TFT

480x800

5
MP

1GB
RAM

Single-core

1860
mAh

(Removable)

04Points Samsung Rex 70 (S3802) Compare Motorola Primus X

Specifications Compare Models Pictures

3"
TFT

240x320

2
MP

N/A

1000
mAh

(Removable)

What's the better phone? Motorola Primus (XT621)

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!

16 Advantages Motorola Primus (XT621)	vs	4 Advantages Samsung Rex 70 (S3802)
+4GB (1GB available)101 times More internal storage for applications and files	vs	10MB
+16 million245 times More colors on the screen is better quality images and videos	vs	65 thousand
+480x800 pixels4 times Higher resolution screen	vs	240x320 pixels
+233 PPI75% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	133 PPI
+4"33% Larger screen	vs	3"
+(back) 5MP162% Higher resolution main camera	vs	(back) 2MP
+LED flashAdvantage The LED flash helps in dark places or in low light	vs	Not supported
+HD (1280x720)Advantage More image quality for recording videos with the primary camera	vs	Supported
+3500000 apps (Google Play Store)349999 times More apps available to download and use	vs	10 apps
+3G HSUPAAdvantage The 3G HSUPA network is newer and faster	vs	2G EDGE
+(3G HSUPA) 7.2 Mbps30 times Faster for surfing the internet and download files	vs	(2G EDGE) 0.236 Mbps
+AccelerometerAdvantage Sensors help you use the device	vs	Not supported
+Ambient light sensorAdvantage Sensors help you use the device	vs	Not supported
+1860 mAh86% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1000 mAh
+A-GPS, GeoTaggingAdvantage It's harder to lose yourself in the city with GPS on your device	vs	Not supported
+Gorilla GlassAdvantage Protection against scratches on the screen lets you carry your phone with your keys	vs	Not supported
145 grams (5.08 ounces)	vs	+89 grams (3.12 ounces)63% Lighter
12.3 millimeters (0.48 inches)	vs	+12 millimeters (0.47 inches)2% Thinner
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
2.1 + A2DP	vs	+3.0Advantage Bluetooth 3.0 is newer and faster

13 Common items in both devices

Until 32GB microSD, microSDHC

TFT LCD

Only digital zoom

Capacitive

Multitouch

Proximity sensor

Li-Ion: lithium-ion (Removable)

+6 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
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Change model
Model	Primus (XT621)	Rex 70 (S3802)
Other model names	Nextel Motorola Primus XT621, Motorola XT621 Primus	Samsung Rex 70 Duos S3802 for India market
Country or region available	(Global, International), (Latin America)	India
Brand	Motorola	Samsung
Release date	1/1/2013	3/1/2013
Depth	12.3 millimeters (0.48 inches)	12 millimeters (0.47 inches)
Size (width x height)	60 x 119 millimeters (2.36 x 4.69 in)	57.2 x 104.9 millimeters (2.25 x 4.13 in)
Weight	145 grams (5.08 ounces)	89 grams (3.12 ounces)
Build, materials	feature not registered	feature not registered
Protection against water and others	Not supported	Not supported
📲 Display
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Display type	TFT LCD	TFT LCD
Screen size	4" inches	3" inches
Screen-to-body ratio	~63.8% (screen-to-body ratio)	~46.4% (screen-to-body ratio)
Display resolution	480x800 pixels	240x320 pixels
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	233 PPI	133 PPI
Colors	16 million	65 thousand
Scratch-resistant glass	Gorilla Glass	Not supported
Refresh rate	feature not registered	feature not registered
Display features	feature not registered	feature not registered
🤖 Operating System
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
System version	Android 2.3.6 Gingerbread	Proprietary OS
Firmware update	feature not registered	feature not registered
User Interface	feature not registered	feature not registered
⚙️ Processor
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Chipset	32bit: Qualcomm Snapdragon S2 MSM8255T (45nm)	32bit
CPU	Single-core, 1 processor: 1x 1.2GHz Scorpion (Single-core)	Single-core, 1 processor: Single-core XMM 2250m (Single-core)
GPU graphical controller	Qualcomm Adreno 205	feature not registered
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
RAM memory	1GB LPDDR2	feature not registered
Internal storage	4GB (1GB available)	10MB
External storage	Until 32GB microSD, microSDHC (dedicated slot)	Until 32GB microSD, microSDHC (dedicated slot)
📶 Mobile networks
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) Standard mini-SIM (2FF)	2 slots (Dual-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	7.2 Mbps	0.236 Mbps
Network technology	2G, 3G	2G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	iDEN 800 UMTS 2100/1900/1700	Not supported
Primary 4G network	Not supported	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	iDEN, GPRS, EDGE, UMTS, HSDPA, HSUPA	GPRS, EDGE
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS
📷 Camera
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Back camera (main camera)	5 megapixels	2 megapixels
Main camera resolution	2592x1944 pixels	1600x1200 pixels
Video recording (primary)	HD (1280x720) 30 fps	Supported
Flash	LED flash	Not supported
Focal aperture	feature not registered	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
Autofocus	Not supported	Not supported
Touch focus	Supported	feature not registered
Image stabilization	Not supported	feature not registered
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	feature not registered
BSI sensor	Not supported	feature not registered
HDR	Not supported	feature not registered
Camera extras	feature not registered	feature not registered
📸 Front camera
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Front camera (secondary)	Not supported	Not supported
Front camera resolution	Not supported	Not supported
Video recording (secondary)	Not supported	Not supported
Front flash	Not supported	Not supported
Focal aperture	feature not registered	feature not registered
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	feature not registered
🔉 Sound and multimedia
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	feature not registered
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263	MP4, H.263
Audio formats	MP3, WAV, AAC+	MP3, WAV, eAAC+
🔌 Connectivity
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
USB	MicroUSB 2.0	MicroUSB 2.0
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	2.1 + A2DP	3.0
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	feature not registered
GPS	A-GPS, GeoTagging	Not supported
NFC	Not supported	Not supported
Infrared port	Not supported	feature not registered
🧭 Sensors
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Sensors	Accelerometer Ambient light sensor Proximity sensor	Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Battery type	Li-Ion: lithium-ion (Removable) BP7X	Li-Ion: lithium-ion (Removable)
Battery capacity	1860 mAh	1000 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	feature not registered
Talk time autonomy	feature not registered	13 hours
Standby	feature not registered	490 hours (20.4 days)
➕ Other features
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
Call control	Voice recorder	Voice recorder
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS, MMS, E-mail
Hands-free calling	Supported	Supported
Video calling	Not supported	Not supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, Flash player	feature not registered
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black • Push-to-Talk (PTT) • WiFi hotspot Java framework	• Colors: White, Gray, Blue • Samsung TouchWiz UI • ChatON • Opera browser • Facebook, Twitter, YouTube Java framework
☢️ Radiation rate
	Motorola Primus (XT621)	Samsung Rex 70 (S3802)
SAR 1.6W/kg (USA, Mexico, etc.)	1.23W/kg (head), 0.42W/kg (body)	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.73W/kg (head), 0.31W/kg (body)	feature not registered