Screen size
CS11.4"
Fire 5 UltraWinner: 6.6"+79%
Quick verdict
Fire 5 Ultra leads the measured specs 16-2.
Measured wins
CS1
2
spec wins
Ties
2
equal specs
Fire 5 Ultra
16
spec wins
Overall winner
Screen size
Technology
CS1
No cellular connectivity
Fire 5 Ultra
GSM / HSPA / LTE
2G bands
CS1
N/A
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
CS1
N/A
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
CS1
N/A
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
Stereo speakers
Fire 5 Ultra
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
GPRS
CS1
No
Fire 5 Ultra
-
EDGE
CS1
No
Fire 5 Ultra
-
Speed
CS1
-
Fire 5 Ultra
HSPA, LTE
Announced
CS1
2021, February
Fire 5 Ultra
2025, December
Status
CS1
Available. Released 2021, February
Fire 5 Ultra
Available. Released 2025, December
Dimensions
CS1
41.5 x 35.9 x 8.9 mm (1.63 x 1.41 x 0.35 in)
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
Weight
CS1
45 g (1.59 oz)
Fire 5 Ultra
395 g (13.93 oz)
Build
CS1
Plastic frame, plastic back
Fire 5 Ultra
-
SIM
CS1
No
Fire 5 Ultra
Nano-SIM + Nano-SIM
Other
CS1
IP68 dust tight and water resistant (immersible up to 50m) Metal bezel
Fire 5 Ultra
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.5m MIL-STD-810H compliant Dedicated flashlight (on the back)
Type
CS1
IPS LCD
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
Size
CS1
1.4 inches
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
Resolution
CS1
240 x 240 pixels (~242 ppi density)
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Protection
CS1
-
Fire 5 Ultra
Mohs level 6
OS
CS1
Proprietary
Fire 5 Ultra
Android 15
Chipset
CS1
nRF52832
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
CPU
CS1
-
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
CS1
-
Fire 5 Ultra
Mali-G52 MC2
Card slot
CS1
No
Fire 5 Ultra
microSDXC (dedicated slot)
Internal
CS1
-
Fire 5 Ultra
256GB 8GB RAM
Other
CS1
No
Fire 5 Ultra
-
Loudspeaker
CS1
No
Fire 5 Ultra
Yes
3.5mm jack
CS1
No
Fire 5 Ultra
No
WLAN
CS1
No
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
CS1
4.0, A2DP, LE
Fire 5 Ultra
5.0, A2DP, LE
Positioning
CS1
No
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
NFC
CS1
No
Fire 5 Ultra
Yes
Radio
CS1
No
Fire 5 Ultra
FM radio
USB
CS1
No
Fire 5 Ultra
USB Type-C
Sensors
CS1
Accelerometer, heart rate
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
CS1
Li-Ion 200 mAh
Fire 5 Ultra
13000 mAh
Charging
CS1
-
Fire 5 Ultra
18W wired
Colors
CS1
Graphite Black, Space Gray
Fire 5 Ultra
Gray, Orange, Green
Price
CS1
About 30 EUR
Fire 5 Ultra
About 250 EUR
Single
CS1
-
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
Features
CS1
-
Fire 5 Ultra
Dual-LED flash, HDR, panorama
Video
CS1
-
Fire 5 Ultra
1440p@30fps
Single
CS1
-
Fire 5 Ultra
8 MP, f/2.0, (wide)
Video
CS1
-
Fire 5 Ultra
1080p@30fps