Screen size
Fire HD 77.0"
Fire HDX 8.9 (2014)Winner: 8.9"+21%
Quick verdict
Fire HDX 8.9 (2014) leads the measured specs 8-1.
Measured wins
Fire HD 7
1
spec wins
Ties
7
equal specs
Fire HDX 8.9 (2014)
8
spec wins
Overall winner
Screen size
Technology
Fire HD 7
No cellular connectivity
Fire HDX 8.9 (2014)
GSM / HSPA / LTE
2G bands
Fire HD 7
N/A
Fire HDX 8.9 (2014)
GSM 850 / 900 / 1800 / 1900
GPRS
Fire HD 7
No
Fire HDX 8.9 (2014)
Yes
EDGE
Fire HD 7
No
Fire HDX 8.9 (2014)
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
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsYes
3G bands
Fire HD 7
-
Fire HDX 8.9 (2014)
HSDPA
4G bands
Fire HD 7
-
Fire HDX 8.9 (2014)
LTE
Speed
Fire HD 7
-
Fire HDX 8.9 (2014)
HSPA, LTE - cellular model only
Announced
Fire HD 7
2014, September. Released 2014, October
Fire HDX 8.9 (2014)
2014, September. Released 2014, October
Status
Fire HD 7
Discontinued
Fire HDX 8.9 (2014)
Discontinued
Dimensions
Fire HD 7
191 x 128 x 10.6 mm (7.52 x 5.04 x 0.42 in)
Fire HDX 8.9 (2014)
231 x 158 x 7.8 mm (9.09 x 6.22 x 0.31 in)
Weight
Fire HD 7
337 g (11.89 oz)
Fire HDX 8.9 (2014)
375 g (Wi-Fi)/ 389 g (4G) (13.23 oz)
SIM
Fire HD 7
No
Fire HDX 8.9 (2014)
Micro-SIM - cellular model only
Type
Fire HD 7
IPS LCD
Fire HDX 8.9 (2014)
IPS LCD
Size
Fire HD 7
7.0 inches, 142.1 cm2 (~58.1% screen-to-body ratio)
Fire HDX 8.9 (2014)
8.9 inches, 229.7 cm2 (~62.9% screen-to-body ratio)
Resolution
Fire HD 7
800 x 1280 pixels, 16:10 ratio (~216 ppi density)
Fire HDX 8.9 (2014)
2560 x 1600 pixels, 16:10 ratio (~339 ppi density)
Protection
Fire HD 7
Corning Gorilla Glass
Fire HDX 8.9 (2014)
-
OS
Fire HD 7
Android 4.4 (KitKat - customized), Fire 4
Fire HDX 8.9 (2014)
Android 4.4 (KitKat - customized), Fire 4
CPU
Fire HD 7
Quad-core (2x1.5 GHz & 2x1.2 GHz)
Fire HDX 8.9 (2014)
Quad-core 2.5 GHz Krait 450
Chipset
Fire HD 7
-
Fire HDX 8.9 (2014)
Qualcomm APQ8084 Snapdragon 805 (28 nm)
GPU
Fire HD 7
-
Fire HDX 8.9 (2014)
Adreno 420
Card slot
Fire HD 7
No
Fire HDX 8.9 (2014)
No
Internal
Fire HD 7
8GB 1GB RAM, 16GB 1GB RAM
Fire HDX 8.9 (2014)
16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM
Other
Fire HD 7
-
Fire HDX 8.9 (2014)
eMMC 5.0
Single
Fire HD 7
2 MP
Fire HDX 8.9 (2014)
8 MP, AF
Video
Fire HD 7
1080p@30fps
Fire HDX 8.9 (2014)
Yes
Features
Fire HD 7
-
Fire HDX 8.9 (2014)
LED flash
Single
Fire HD 7
VGA
Fire HDX 8.9 (2014)
Video
Fire HD 7
Fire HDX 8.9 (2014)
720p
Loudspeaker
Fire HD 7
Yes, with stereo speakers
Fire HDX 8.9 (2014)
Yes, with stereo speakers
3.5mm jack
Fire HD 7
Yes
Fire HDX 8.9 (2014)
Yes
WLAN
Fire HD 7
Wi-Fi 802.11 b/g/n
Fire HDX 8.9 (2014)
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Fire HD 7
4.0, A2DP
Fire HDX 8.9 (2014)
4.0, A2DP
Positioning
Fire HD 7
No
Fire HDX 8.9 (2014)
GPS - cellular model only
NFC
Fire HD 7
No
Fire HDX 8.9 (2014)
No
Radio
Fire HD 7
No
Fire HDX 8.9 (2014)
No
USB
Fire HD 7
microUSB 2.0 (SlimPort)
Fire HDX 8.9 (2014)
microUSB 2.0 (SlimPort)
Sensors
Fire HD 7
Accelerometer, gyro
Fire HDX 8.9 (2014)
Accelerometer, gyro
Other
Fire HD 7
Text-to-Speech English-language content reader
Fire HDX 8.9 (2014)
Text-to-Speech English-language content reader
Type
Fire HD 7
Li-Ion, non-removable
Fire HDX 8.9 (2014)
Li-Ion, non-removable
Talk time
Fire HD 7
Up to 8 h
Fire HDX 8.9 (2014)
Up to 12 h
Colors
Fire HD 7
Black, White, Cobalt, Magenta, Citron
Fire HDX 8.9 (2014)
Black
Models
Fire HD 7
KFASWI
Fire HDX 8.9 (2014)
-
Price
Fire HD 7
About 120 EUR
Fire HDX 8.9 (2014)
About 310 EUR