Screen size
equal specsKindle Fire7.0"
Kindle Fire HDX7.0"
Quick verdict
Kindle Fire HDX leads the measured specs 11-1.
Measured wins
Kindle Fire
1
spec wins
Ties
4
equal specs
Kindle Fire HDX
11
spec wins
Overall winner
Screen size
equal specsTechnology
Kindle Fire
No cellular connectivity
Kindle Fire HDX
GSM / HSPA / EVDO / LTE
2G bands
Kindle Fire
N/A
Kindle Fire HDX
GSM 850 / 900 / 1800 / 1900 , CDMA
GPRS
Kindle Fire
No
Kindle Fire HDX
Yes
EDGE
Kindle Fire
No
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Kindle Fire HDX
Yes
3G bands
Kindle Fire
-
Kindle Fire HDX
HSDPA, CDMA2000 1xEV-DO
4G bands
Kindle Fire
-
Kindle Fire HDX
LTE
Speed
Kindle Fire
-
Kindle Fire HDX
HSPA, LTE - cellular model only
Announced
Kindle Fire
2011, September. Released 2011, November
Kindle Fire HDX
2013, September. Released 2013, October
Status
Kindle Fire
Discontinued
Kindle Fire HDX
Discontinued
Dimensions
Kindle Fire
190 x 120 x 11.4 mm (7.48 x 4.72 x 0.45 in)
Kindle Fire HDX
186 x 128 x 9 mm (7.32 x 5.04 x 0.35 in)
Weight
Kindle Fire
413 g (14.57 oz)
Kindle Fire HDX
303 g (Wi-Fi)/ 311 g (4G) (10.69 oz)
SIM
Kindle Fire
No
Kindle Fire HDX
Micro-SIM - cellular model only
Type
Kindle Fire
IPS LCD
Kindle Fire HDX
IPS LCD
Size
Kindle Fire
7.0 inches, 137.9 cm2 (~60.5% screen-to-body ratio)
Kindle Fire HDX
7.0 inches, 142.1 cm2 (~59.7% screen-to-body ratio)
Resolution
Kindle Fire
600 x 1024 pixels, 16:9 ratio (~170 ppi density)
Kindle Fire HDX
1200 x 1920 pixels, 16:10 ratio (~323 ppi density)
OS
Kindle Fire
Android 2.3 (customized)
Kindle Fire HDX
Android OS (Jelly Bean - customized), Fire 3
Chipset
Kindle Fire
TI OMAP 4430
Kindle Fire HDX
Qualcomm Snapdragon 800 (28 nm)
CPU
Kindle Fire
Dual-core 1.0 GHz Cortex-A9
Kindle Fire HDX
Quad-core 2.2 GHz Krait 400
GPU
Kindle Fire
PowerVR SGX540
Kindle Fire HDX
Adreno 330
Card slot
Kindle Fire
No
Kindle Fire HDX
No
Internal
Kindle Fire
8GB 512MB RAM
Kindle Fire HDX
16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM
Other
Kindle Fire
-
Kindle Fire HDX
eMMC 4.5
Other
Kindle Fire
No
Kindle Fire HDX
-
Loudspeaker
Kindle Fire
Yes
Kindle Fire HDX
Yes, with stereo speakers
3.5mm jack
Kindle Fire
Yes
Kindle Fire HDX
Yes
WLAN
Kindle Fire
Wi-Fi 802.11 b/g/n
Kindle Fire HDX
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
Kindle Fire
No
Kindle Fire HDX
Yes
Positioning
Kindle Fire
No
Kindle Fire HDX
GPS - cellular model only
Radio
Kindle Fire
No
Kindle Fire HDX
No
USB
Kindle Fire
Proprietary
Kindle Fire HDX
microUSB 2.0
NFC
Kindle Fire
-
Kindle Fire HDX
No
Sensors
Kindle Fire
Accelerometer
Kindle Fire HDX
Accelerometer, gyro
Other
Kindle Fire
MP4/VP8 player MP3/WAV/AAC/OGG/MIDI player Organizer Predictive text input
Kindle Fire HDX
Text-to-Speech English-language content reader
Type
Kindle Fire
Non-removable Li-Ion 4400 mAh battery
Kindle Fire HDX
Li-Ion, non-removable
Talk time
Kindle Fire
-
Kindle Fire HDX
Up to 11 h
Colors
Kindle Fire
Black
Kindle Fire HDX
Black
Price
Kindle Fire
About 120 EUR
Kindle Fire HDX
About 170 EUR
Single
Kindle Fire
-
Kindle Fire HDX
1.3 MP
Video
Kindle Fire
-
Kindle Fire HDX
720p
Other
Kindle Fire
-
Kindle Fire HDX
No