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Impartial price comparison
PocketBook InkPad 3 Pro vs. Amazon Kindle Paperwhite 4 8GB (2018) + 9
3G (UMTS)
No
No
No
No
No
No
No
No
No
Wireless connection
Wireless network
Wireless network
Wireless network
Wireless network
Wireless network
Wireless network
Wireless network
Wireless network
Wireless network
Bluetooth
Wireless network
Headphone output
Yes
No
No
No
No
No
No
No
USB
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Type of USB connector
Micro-USB
Micro-USB
Micro-USB
Micro-USB
Micro-USB
Micro-USB
Micro-USB
Micro-USB
Micro-USB
USB (total)
1
1
1
1
1
1
USB 2.0
1
1
1
1
USB powered (only via USB)
Yes
Yes
Yes
Yes
Yes
Yes
Supported audio files
MP3, OGG Vorbis
Supported image files
JPEG/JPG, TIFF, PNG, BMP
JPEG/JPG, PNG, BMP, GIF
JPEG/JPG, TIFF, PNG, BMP, GIF
JPEG/JPG, PNG, BMP, GIF
JPEG/JPG, TIFF, PNG, BMP, GIF
JPEG/JPG, PNG, BMP, GIF
JPEG/JPG, PNG, BMP, GIF
JPEG/JPG, PNG, GIF
JPEG/JPG, TIFF, PNG, BMP, GIF
JPEG/JPG, PNG, BMP, GIF
JPEG/JPG, PNG, BMP, GIF
Text files supported
TXT, HTML, PDF, Epub, DOC, RTF, MOBI, Djvu
TXT, HTML, PDF, DOC, RTF, MOBI
TXT, HTML, PDF, DOC, RTF, MOBI
HTML, PDF, MOBI
TXT, HTML, PDF, Epub, RTF, MOBI
HTML, PDF, DOC, RTF, MOBI
HTML, PDF, Epub, RTF, MOBI, LIT
HTML, PDF, MOBI
TXT, HTML, PDF, Epub, RTF, MOBI
HTML, PDF, RTF, MOBI
HTML, PDF, RTF, MOBI
Available colours
Black, Grey
Black, Blue
Black, White
Black
Black, White
Black, Silver, Grey
Black, Silver, Grey
Black, White
Black, Silver
Black, Grey
Black, Blue
Dimensions (WxHxD)
Depth
8 mm
8.2 mm
9.1 mm
8.7 mm
7.8 mm
8.3 mm
8.3 mm
8.7 mm
8.35 mm
8.4 mm
8.2 mm
Height
195 mm
167 mm
169 mm
160 mm
159 mm
141 mm
141 mm
160 mm
159.6 mm
159 mm
167 mm
Width
136.5 mm
116 mm
117 mm
115 mm
144 mm
159 mm
159 mm
113 mm
110 mm
141 mm
116 mm
Product weight
225 g
182 g
205 g
161 g
192 g
188 g
188 g
174 g
166 g
188 g
182 g
Features
Lighting, Water resistant
Lighting, Water resistant
Lighting
Lighting, Water resistant
Lighting, Water resistant
Lighting, Water resistant
Lighting
Water resistant
Water resistant
Built-in speakers
No
No
No
No
No
No
No
No
Operating system
Proprietary OS
Proprietary OS
Proprietary OS
Proprietary OS
Proprietary OS
Proprietary OS
Qwerty keyboard (buttons)
No
No
No
No
No
No
No
No
Qwerty keyboard (screen)
Yes
Yes
No
Yes
No
Yes
Resolution
1872x1404
1440x1080
1440x1080
800x600 (SVGA)
1680x1264
1680x1264
1680x1264
800x600 (SVGA)
1440x1080
1440x1080
1448x1072
Aspect ratio
4:3
4:3
4:3
Display technologies
E-ink
E-ink
E-ink
E-ink
E-ink
E-ink
E-ink
E-ink
E-ink
E-ink
Display
Monochrome
Greyscale
Greyscale
Greyscale
Greyscale
Greyscale
Greyscale
Monochrome
Number of gray scales
16
16
16
16
DPI
300
300
167
300
300
300
167
300
300
300
Screen size
7.8 inches
6 inches
6 inches
6 inches
7 inches
7 inches
7 inches
6 inches
6 inches
7 inches
6 inches
Touchscreen
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
RAM size
1024 MB
512 MB
512 MB
512 MB
Release year
2018
2015
2019
2017
2017
2019
2018
2018
AC adapter included
No
No
No
No
No
Yes
Yes
Battery life (page views)
Battery type
Li-polymer
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Li-Ion
Rechargeable battery (enclosed/integrated)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Processor speed
1000 MHz
1000 MHz
1000 MHz
Built-in memory
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Memory size
16GB
8GB
4GB
8GB
8GB
32GB
4GB
8GB
32GB
32GB
Memory card reader
No
No
No
No
No
No
No
No
No