Blu R2 (LTE 16GB) vs Sony Xperia U (ST25i)

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Side by side comparison between Blu R2 vs Sony Xperia U phones, differences, pros, cons and full specifications. What's the better?

3/12/2018 11:09 PM, updated: 11/10/2021 4:36 PM

Compare Sony Xperia U X Blu R2 (LTE 16GB) 24Points

Specifications Compare Models Pictures

5.2"
IPS

720x1280

13
MP

13mp

2GB
RAM

Quad-core

3000
mAh

(Non removable)

05Points Sony Xperia U (ST25i) Compare Blu R2 X

Specifications Compare Models Pictures

3.5"
LED

480x854

5
MP

0.3mp

512MB
RAM

Dual-core

1320
mAh

(Removable)

What's the better phone? Blu R2 (LTE 16GB)

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!

24 Advantages Blu R2 (LTE 16GB)	vs	5 Advantages Sony Xperia U (ST25i)
+1.3GHz 64bit Quad-core103% More powerful processor, you can open your applications faster	vs	1GHz 32bit Dual-core (45nm)
+2GB LPDDR33 times More RAM memory. Typically more responsive and better for multitasking.	vs	512MB LPDDR2
+16GB (10GB available)150% More internal storage for applications and files	vs	8GB (4GB available)
+Until 64GB microSD, microSDXCAdvantage More external storage for files using memory cards	vs	Not supported
+9.6 millimeters (0.38 inches)25% Thinner	vs	12 millimeters (0.47 inches)
+Aluminum body, glass front, aluminum back with plastic endsAdvantage More resistant material	vs	Plastic body, glass front
+TFT IPS LCDAdvantage TFT IPS LCD display is brighter and more vivid	vs	TFT LED-Backlit LCD
+720x1280 pixels125% Higher resolution screen	vs	480x854 pixels
+282 PPI1% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	280 PPI
+5.2"49% Larger screen	vs	3.5"
+(back) 13MP154% Higher resolution main camera	vs	(back) 5MP
+Dual-LED on both camerasAdvantage The Dual-LED on both cameras helps in dark places or in low light	vs	LED flash
+HDR photo only main cameraAdvantage The HDR technology produced photos with more detail in dark areas	vs	Not supported
+(front) 13MP41 times Higher resolution secondary camera to take pictures and selfies	vs	(front) 0.3MP
+(front) HD (1280x720)2 times More image quality for recording videos with the secondary camera	vs	(front) VGA (640x480)
+Android 7.0 NougatAdvantage Android 7.0 Nougat is newer and safer	vs	Android 4.0.4 Ice Cream Sandwich ICS
+4G LTEAdvantage The 4G LTE network is newer and faster	vs	3G HSUPA
+(4G LTE) 150 Mbps9 times Faster for surfing the internet and download files	vs	(3G HSUPA) 14.4 Mbps
+Face unlock 2DAdvantage Sensors help you use the device	vs	Not supported
+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device	vs	Not supported
+3000 mAh127% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use	vs	1320 mAh
+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.	vs	1 slot (Single-SIM)
+4.0 + A2DPAdvantage Bluetooth 4.0 + A2DP is newer and faster	vs	2.1 + A2DP
+HTML, XHTML, HTML5Advantage Better sites viewing on the internet	vs	HTML, XHTML, Flash player
156 grams (5.46 ounces)	vs	+110 grams (3.85 ounces)42% Lighter
LiPo: li-ion polymer (Non removable)	vs	+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily
Not supported	vs	+Active noise cancellationAdvantage More noise-canceling microphones allow for better quality in calls and audio for recorded videos
Not supported	vs	+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
Not supported	vs	+Scratch-resistant glassAdvantage Protection against scratches on the screen lets you carry your phone with your keys

19 Common items in both devices

16 million

Only digital zoom

Autofocus

EIS: Digital stabilization

HD (1280x720)

Capacitive

Multitouch

+12 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
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Change model		Choose the model
Model	Blu R2 (LTE 16GB)	Xperia U (ST25i)
Other model names	Blu R2 LTE R0150EE (2GB RAM), R0170WW	Sony Xperia U ST25, Sony Kumquat
Country or region available	USA, (Europe)	(Global, International)
Brand	Blu	Sony
Release date	7/1/2017	5/7/2012, Announced: 2/1/2012
Depth	9.6 millimeters (0.38 inches)	12 millimeters (0.47 inches)
Size (width x height)	74.3 x 150.3 millimeters (2.93 x 5.92 in)	54 x 112 millimeters (2.13 x 4.41 in)
Weight	156 grams (5.46 ounces)	110 grams (3.85 ounces)
Build, materials	Aluminum body, glass front, aluminum back with plastic ends	Plastic body, glass front
Protection against water and others	Not supported	Not supported
📲 Display
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Display type	TFT IPS LCD	TFT LED-Backlit LCD
Screen size	5.2" inches	3.5" inches
Screen-to-body ratio	~66.8% (screen-to-body ratio)	~55.8% (screen-to-body ratio)
Display resolution	720x1280 pixels	480x854 pixels (16:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch 4-points
Pixel density (dot pitch)	282 PPI	280 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Scratch-resistant glass
Refresh rate	feature not registered	60Hz
Display features	feature not registered	Not supported
🤖 Operating System
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
System version	Android 7.0 Nougat	Android 2.3.7 Gingerbread
Firmware update	feature not registered	Android 4.0.4 Ice Cream Sandwich ICS
User Interface	feature not registered	feature not registered
⚙️ Processor
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Chipset	64bit: MediaTek MT6737 (28nm)	32bit: ST-Ericsson NovaThor U8500 (45nm)
CPU	Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A53 (Quad-core)	Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core)
GPU graphical controller	ARM Mali-T720 MP2 550Mhz	ARM Mali-400 MP1
Performance (benchmark)	feature not registered	feature not registered
💽 Memory and storage
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
RAM memory	2GB LPDDR3	512MB LPDDR2
Internal storage	16GB (10GB available)	8GB (4GB available)
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Not supported
📶 Mobile networks
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Not supported
SIM card	2 slots (Dual-SIM) micro-SIM (3FF)	1 slot (Single-SIM) Standard mini-SIM (2FF)
Maximum Download / Upload	150/50 Mbps	14.4/5.76 Mbps
Network technology	2G, 3G, 4G	2G, 3G
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	UMTS 850/900/1700/1900/2100	UMTS 900/2100
Primary 4G network	LTE Cat4 R0150EE version: LTE 800/1800/2100/2600 (Bands 1,3,7,20) R0170WW version: LTE 700/1700/1800/1900/2100/2600 (Bands 1,2,3,4,7,12,17,28)	Not supported
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA
Secondary 2G network	GSM 850/900/1800/1900	Not supported
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	GPRS, EDGE	Not supported
📷 Camera
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Back camera (main camera)	13 megapixels	5 megapixels
Main camera resolution	4128x3096 pixels	2592x1944 pixels
Video recording (primary)	HD (1280x720) 30 fps	HD (1280x720) 30 fps
Flash	Dual-LED on both cameras	LED flash
Focal aperture	f/2.0 (aperture)	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	Autofocus	Autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Not supported
HDR	HDR photo only main camera	Not supported
Camera extras	feature not registered	feature not registered
📸 Front camera
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Front camera (secondary)	13 megapixels	0.3 megapixels
Front camera resolution	4128x3096 pixels	640x480 pixels
Video recording (secondary)	HD (1280x720)	VGA (640x480)
Front flash	Dual-LED	Not supported
Focal aperture	f/2.0 (aperture)	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
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Loudspeaker	Supported	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM (RDS)
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263	MP4, H.263, H.264, WMV
Audio formats	MP3, OGG, eAAC+, FLAC	MP3, eAAC+, WMA, WAV
🔌 Connectivity
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
USB	MicroUSB 2.0	MicroUSB 2.0, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	4.0 + A2DP	2.1 + A2DP
WiFi	802.11 b/g/n [wifi4] (2.4GHz)	802.11 b/g/n [wifi4] (2.4GHz)
DLNA	Not supported	Supported
GPS	A-GPS, GeoTagging	A-GPS, GeoTagging
NFC	Not supported	Not supported
Infrared port	Not supported	Not supported
🧭 Sensors
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Sensors	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Battery type	LiPo: li-ion polymer (Non removable)	Li-Ion: lithium-ion (Removable) BA600
Battery capacity	3000 mAh	1320 mAh
Charger, watts	Wired charging	Wired charging
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	16 hours	5.6 hours
Standby	625 hours (26 days)	472 hours (19.7 days)
➕ Other features
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
Call control	Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, Flash player
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Silver, Rose gold, Gold • 2.5D curved glass screen • Screen protector included • Silicon Case included • WiFi hotspot	• Colors: Black, White • Exchangeable bottom caps: White, Black, Pink, Yellow • Sony Reality Display • Sony Mobile BRAVIA Engine • xLoud • 3D surround sound • WiFi hotspot • Java framework
☢️ Radiation rate
	Blu R2 (LTE 16GB)	Sony Xperia U (ST25i)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	1.09W/kg (head), 0.93W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	feature not registered	1.62W/kg (head)