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Compare 4 products

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BLU Grand M Mobile Phone
BLU Grand M
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BLU R1 HD Mobile Phone
BLU R1 HD
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Samsung Galaxy S4 Mobile Phone
Samsung Galaxy S4
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Samsung Z1 Mobile Phone
Samsung Z1
Editiorial reviews
7
7 editorial reviews
A $60 phone that punches way above its price---if you don't mind the ads.Read more
Amazon Prime members can get the Blu R1 HD for just $50. It's an awesome value for that price, but there are a couple huge trade-offs. Here's our review.Read more
The Blu R1 HD isn't good enough to be your go-to phone, but it's passable for a preteen or as a backup device.Read more
Read editorial reviews
21
4.4 out of 5
10 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
4
4 editorial reviews
The Sony Xperia Z1 is more powerful and more waterproof than the Xperia Z it follows, but is it worth the upgrade?Read more
Read more
Samsung Z1 Hands on: Samsung's first Tizen OS phone is a slick little performerRead more
Read editorial reviews
User rating
32
4.2 out of 5
32 user ratings
5 stars
37 %
4 stars
43 %
3 stars
18 %
2 stars
0 %
1 stars
0 %
39
4.3 out of 5
39 user ratings
5 stars
46 %
4 stars
38 %
3 stars
15 %
2 stars
0 %
1 stars
0 %
45
4.3 out of 5
45 user ratings
5 stars
44 %
4 stars
42 %
3 stars
13 %
2 stars
0 %
1 stars
0 %
39
4.2 out of 5
39 user ratings
5 stars
43 %
4 stars
35 %
3 stars
20 %
2 stars
0 %
1 stars
0 %

Hardware

Operating systemAndroid 6.0Android 6.0Android 4.4Tizen 2.3
CPU clock speed1.3 GHz1.3 GHz1.6 GHz1.2 GHz
CPU coresQuad-coreQuad-core8-coreDual-core
CPU modelMediatek MT6580Mediatek MT6735Samsung Exynos 5 Octa 5410Spreadtrum SC7727S
GPU modelARM Mali-400 MP2ARM Mali-T720 MP4PowerVR SGX544ARM Mali-400
RAM memory512 MB
  • 1 GB
  • 2 GB
2 GB768 MB

Display

Screen size6.0 in5.0 in5.0 in4.0 in
Touchscreenyesyesyes
N/A
Number of colors16.7M16.7M16.7M16.7M
Resolution854 x 480 px1280 x 720 px1920 x 1080 px800 x 480 px
Pixel density196.0 ppi294.0 ppi441.0 ppi233.0 ppi
HDRnonono
N/A
3D supportnono
N/A
N/A
3D touchnono
N/A
N/A
Panel type
N/A
LCDOLED
N/A
Technology
N/A
IPS LCD
  • AMOLED
  • Super AMOLED
PLS
Screen material
N/A
Corning Gorilla Glass 3.0Corning Gorilla Glass 3.0
N/A
Dual screen support
N/A
noyes
N/A
Multi touch
N/A
yesyesyes
Scratch resistant display
N/A
N/A
yes
N/A

Rear camera

Number of rear cameras111
N/A
Primary sensor resolution5.0 Mpx8.0 Mpx13.0 Mpx3.15 Mpx
Autofocusyesyesyesyes
LED Flashyesyesyesyes
Primary lens aperture
N/A
2.0 f2.2 f
N/A
Video recording
N/A
yesyes
N/A
Highest video resolution
N/A
1920 x 1080 px1920 x 1080 px1280 x 720 px
Burst Mode
N/A
yesyes
N/A
Digital zoom
N/A
yesyesyes
Face detection
N/A
yesyesyes
Geo-tagging
N/A
yesyesyes
Gesture Shot
N/A
yes
N/A
N/A
HDR Capture
N/A
yesyesyes
Panorama
N/A
yesyesyes
Smile detection
N/A
yesyes
N/A
Touch focus
N/A
yesyesyes
Maximum FPS at the highest resolution
N/A
N/A
30.0 fps
N/A
Maximum FPS (regardless of res.)
N/A
N/A
30.0 fps
N/A
Max resolution (highest frame rate)
N/A
N/A
1920 x 1080 px
N/A
Digital Image Stabilization
N/A
N/A
yesyes
Optical zoom
N/A
N/A
10x
N/A
Slow-Mo
N/A
N/A
yes
N/A

Front camera

Number of front cameras111
N/A
Primary resolution3.15 Mpx5.0 Mpx2.0 Mpx0.3 Mpx

Storage

Internal storage8 GB
  • 16 GB
  • 8 GB
  • 16 GB
  • 32 GB
  • 64 GB
N/A
Memory card readeryesyesyesyes
Maximum card storage64GB64GB64GB64GB
Types of memory card supportedmicroSDmicroSD
  • microSD
  • microSDHC
  • microSDXC
microSD

Dimensions

Height5.7 in5.65 in5.38 in4.74 in
Width2.84 in2.83 in2.75 in2.49 in
Depth0.37 in0.34 in0.31 in0.38 in
Weight6.03 oz5.01 oz4.59 oz3.95 oz

Sensors

Accelerometeryesyesyesyes
Ambient light sensornoyesyesyes
Fingerprintnono
N/A
N/A
Barometernonoyes
N/A
Pedometernonoyes
N/A
Hearth rate monitornono
N/A
N/A
Altimeternono
N/A
N/A
Humiditynono
N/A
N/A
Thermometernono
N/A
N/A
Magnetometernono
N/A
N/A
ANT+nonoyes
N/A
Face scannernono
N/A
N/A
Proximity
N/A
yesyesyes
Digital compass
N/A
no
N/A
N/A
Gyroscope
N/A
noyes
N/A

Connectivity

Dual sim supportyesyesnoyes
Bluetoothyesyesyesyes
Bluetooth version4.04.04.04.1
Bluetooth profileA2DPA2DP
  • A2DP
  • AVRCP
N/A
Sim card size
N/A
Micro-SIMMicro-SIM
N/A
Headphone connection
N/A
3.5 mm3.5 mm3.5 mm
Type of USB connector
N/A
Micro-USB
N/A
Micro-USB
DLNA certified
N/A
N/A
yes
N/A
Bluetooth codec
N/A
N/A
  • aptX
  • SBC
N/A
NFC
N/A
N/A
yes
N/A
Charging connection
N/A
N/A
USB
N/A
USB version
N/A
N/A
2.0
N/A
USB On-The-Go (OTG)
N/A
N/A
yes
N/A
Video output
N/A
N/A
MHL
N/A

Cellular

Wireless network (Wi-Fi)yesyesyesyes
Wireless networking standard
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11b
  • 802.11g
  • 802.11n
  • 802.11a
  • 802.11ac
  • 802.11b
  • 802.11g
  • 802.11n
N/A
3G UMTSyes
N/A
yes
N/A
Mobile hotspotyesyesyes
N/A
Data transmission
N/A
HSPA+HSPA+HSDPA
2G GSM
N/A
yesyesyes
GSM frequencies
N/A
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
  • 850 MHz
  • 900 MHz
  • 1800 MHz
  • 1900 MHz
UMTS frequences
N/A
  • 850 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
N/A
  • 900 MHz
  • 2100 MHz
4G LTE
N/A
yes
  • no
  • yes
N/A
LTE frequencies
N/A
  • 700 MHz
  • 1700 MHz
  • 1900 MHz
  • 2100 MHz
  • 2600 MHz
Regional
N/A
Navigation system
N/A
N/A
GLONASSGPS
Streaming standards
N/A
N/A
Miracast
N/A

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