Screen size
Fire HDX 8.9 (2014)Winner: 8.9"+47%
Fire Phone4.7"
Quick verdict
Fire HDX 8.9 (2014) and Fire Phone are close on the measured specs.
Measured wins
Fire HDX 8.9 (2014)
6
spec wins
Ties
6
equal specs
Fire Phone
6
spec wins
Screen size
Technology
Fire HDX 8.9 (2014)
GSM / HSPA / LTE
Fire Phone
GSM / HSPA / LTE
2G bands
Fire HDX 8.9 (2014)
GSM 850 / 900 / 1800 / 1900
Fire Phone
GSM 850 / 900 / 1800 / 1900
3G bands
Fire HDX 8.9 (2014)
HSDPA
Fire Phone
HSDPA 850 / 900 / 1700 / 1900 / 2100
4G bands
Fire HDX 8.9 (2014)
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
equal specsFire Phone
1, 2, 3, 4, 5, 7, 8, 17, 20
Speed
Fire HDX 8.9 (2014)
HSPA, LTE - cellular model only
Fire Phone
HSPA, LTE
GPRS
Fire HDX 8.9 (2014)
Yes
Fire Phone
-
EDGE
Fire HDX 8.9 (2014)
Yes
Fire Phone
-
Announced
Fire HDX 8.9 (2014)
2014, September. Released 2014, October
Fire Phone
2014, June. Released 2014, July
Status
Fire HDX 8.9 (2014)
Discontinued
Fire Phone
Discontinued
Dimensions
Fire HDX 8.9 (2014)
231 x 158 x 7.8 mm (9.09 x 6.22 x 0.31 in)
Fire Phone
139.2 x 66.5 x 8.9 mm (5.48 x 2.62 x 0.35 in)
Weight
Fire HDX 8.9 (2014)
375 g (Wi-Fi)/ 389 g (4G) (13.23 oz)
Fire Phone
160 g (5.64 oz)
SIM
Fire HDX 8.9 (2014)
Micro-SIM - cellular model only
Fire Phone
Nano-SIM
Type
Fire HDX 8.9 (2014)
IPS LCD
Fire Phone
IPS LCD
Size
Fire HDX 8.9 (2014)
8.9 inches, 229.7 cm2 (~62.9% screen-to-body ratio)
Fire Phone
4.7 inches, 60.9 cm2 (~65.8% screen-to-body ratio)
Resolution
Fire HDX 8.9 (2014)
2560 x 1600 pixels, 16:10 ratio (~339 ppi density)
Fire Phone
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
Protection
Fire HDX 8.9 (2014)
-
Fire Phone
Corning Gorilla Glass 3 (front and back)
Other
Fire HDX 8.9 (2014)
-
Fire Phone
3D Dynamic Perspective UI (based on 4 front cameras) System wide tilt, auto-scroll, swivel, and peek functions
OS
Fire HDX 8.9 (2014)
Android 4.4 (KitKat - customized), Fire 4
Fire Phone
Amazon Fire 3.5 (Android based), upgradable to 3.6.5
Chipset
Fire HDX 8.9 (2014)
Qualcomm APQ8084 Snapdragon 805 (28 nm)
Fire Phone
Qualcomm Snapdragon 800 (28 nm)
CPU
Fire HDX 8.9 (2014)
Quad-core 2.5 GHz Krait 450
Fire Phone
Quad-core 2.2 GHz Krait 400
GPU
Fire HDX 8.9 (2014)
Adreno 420
Fire Phone
Adreno 330
Card slot
Fire HDX 8.9 (2014)
No
Fire Phone
No
Internal
Fire HDX 8.9 (2014)
16GB 2GB RAM, 32GB 2GB RAM, 64GB 2GB RAM
Fire Phone
32GB 2GB RAM, 64GB 2GB RAM
Other
Fire HDX 8.9 (2014)
eMMC 5.0
Fire Phone
eMMC 4.5
Single
Fire HDX 8.9 (2014)
8 MP, AF
Fire Phone
13 MP, AF, OIS
Features
Fire HDX 8.9 (2014)
LED flash
Fire Phone
LED flash, HDR
Video
Fire HDX 8.9 (2014)
Yes
Fire Phone
1080p@30fps
Single
Fire HDX 8.9 (2014)
Fire Phone
2.1 MP
Video
Fire HDX 8.9 (2014)
720p
Fire Phone
Loudspeaker
Fire HDX 8.9 (2014)
Yes, with stereo speakers
Fire Phone
Yes, with stereo speakers
3.5mm jack
Fire HDX 8.9 (2014)
Yes
Fire Phone
Yes
WLAN
Fire HDX 8.9 (2014)
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Fire Phone
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Fire HDX 8.9 (2014)
4.0, A2DP
Fire Phone
3.0
Positioning
Fire HDX 8.9 (2014)
GPS - cellular model only
Fire Phone
GPS, GLONASS
NFC
Fire HDX 8.9 (2014)
No
Fire Phone
Yes
Radio
Fire HDX 8.9 (2014)
No
Fire Phone
No
USB
Fire HDX 8.9 (2014)
microUSB 2.0 (SlimPort)
Fire Phone
microUSB 2.0
Sensors
Fire HDX 8.9 (2014)
Accelerometer, gyro
Fire Phone
Accelerometer, gyro, proximity, compass, barometer
Other
Fire HDX 8.9 (2014)
Text-to-Speech English-language content reader
Fire Phone
Firefly technology
Type
Fire HDX 8.9 (2014)
Li-Ion, non-removable
Fire Phone
Li-Ion 2400 mAh, non-removable
Talk time
Fire HDX 8.9 (2014)
Up to 12 h
Fire Phone
Up to 22 h
Stand-by
Fire HDX 8.9 (2014)
-
Fire Phone
Up to 285 h
Music play
Fire HDX 8.9 (2014)
-
Fire Phone
Up to 65 h
Colors
Fire HDX 8.9 (2014)
Black
Fire Phone
Black
Price
Fire HDX 8.9 (2014)
About 310 EUR
Fire Phone
About 160 EUR
Models
Fire HDX 8.9 (2014)
-
Fire Phone
SD4930UR, Fire Phone