Screen size
CS31.7"
Fire 5 UltraWinner: 6.6"+74%
Quick verdict
Fire 5 Ultra leads the measured specs 15-3.
Measured wins
CS3
3
spec wins
Ties
2
equal specs
Fire 5 Ultra
15
spec wins
Overall winner
Screen size
Technology
CS3
No cellular connectivity
Fire 5 Ultra
GSM / HSPA / LTE
2G bands
CS3
N/A
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
CS3
N/A
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
CS3
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
CS3
No
Fire 5 Ultra
-
EDGE
CS3
No
Fire 5 Ultra
-
Speed
CS3
-
Fire 5 Ultra
HSPA, LTE
Announced
CS3
2022, July 09
Fire 5 Ultra
2025, December
Status
CS3
Available. Released 2022, July 09
Fire 5 Ultra
Available. Released 2025, December
Dimensions
CS3
43.9 x 35.4 x 11.3 mm (1.73 x 1.39 x 0.44 in)
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
Weight
CS3
38 g (1.34 oz)
Fire 5 Ultra
395 g (13.93 oz)
Build
CS3
Plastic frame, plastic back
Fire 5 Ultra
-
SIM
CS3
No
Fire 5 Ultra
Nano-SIM + Nano-SIM
Other
CS3
IP68 dust tight and water resistant (immersible up to 50m)
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
CS3
IPS LCD
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
Size
CS3
1.69 inches
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
Resolution
CS3
240 x 280 pixels (~218 ppi density)
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Protection
CS3
-
Fire 5 Ultra
Mohs level 6
OS
CS3
Proprietary
Fire 5 Ultra
Android 15
Chipset
CS3
Realtek 8762DK
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
CPU
CS3
-
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
CS3
-
Fire 5 Ultra
Mali-G52 MC2
Card slot
CS3
No
Fire 5 Ultra
microSDXC (dedicated slot)
Internal
CS3
-
Fire 5 Ultra
256GB 8GB RAM
Other
CS3
No
Fire 5 Ultra
-
Loudspeaker
CS3
No
Fire 5 Ultra
Yes
3.5mm jack
CS3
No
Fire 5 Ultra
No
WLAN
CS3
No
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
CS3
5.1, A2DP, LE
Fire 5 Ultra
5.0, A2DP, LE
Positioning
CS3
No
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
NFC
CS3
No
Fire 5 Ultra
Yes
Radio
CS3
No
Fire 5 Ultra
FM radio
USB
CS3
No
Fire 5 Ultra
USB Type-C
Sensors
CS3
Accelerometer, heart rate, SpO2
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
CS3
Li-Ion 235 mAh
Fire 5 Ultra
13000 mAh
Charging
CS3
-
Fire 5 Ultra
18W wired
Colors
CS3
Black, Pink, Green, Purple, Blue
Fire 5 Ultra
Gray, Orange, Green
Price
CS3
About 40 EUR
Fire 5 Ultra
About 250 EUR
Single
CS3
-
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
Features
CS3
-
Fire 5 Ultra
Dual-LED flash, HDR, panorama
Video
CS3
-
Fire 5 Ultra
1440p@30fps
Single
CS3
-
Fire 5 Ultra
8 MP, f/2.0, (wide)
Video
CS3
-
Fire 5 Ultra
1080p@30fps