Screen size
Fire 5 UltraWinner: 6.6"+0.6%
N55 Pro6.6"
Quick verdict
Fire 5 Ultra leads the measured specs 9-5.
Measured wins
Fire 5 Ultra
9
spec wins
Overall winner
Ties
7
equal specs
N55 Pro
5
spec wins
Screen size
Technology
Fire 5 Ultra
GSM / HSPA / LTE
N55 Pro
GSM / HSPA / LTE
2G bands
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
N55 Pro
GSM 850 / 900 / 1800 / 1900
3G bands
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
N55 Pro
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Fire 5 Ultra
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
Resolution
equal specsRefresh rate
equal specsPeak brightness
Pixel density
CPU speed
RAM
Storage
equal specsMain camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
N55 Pro
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66
Speed
Fire 5 Ultra
HSPA, LTE
N55 Pro
HSPA, LTE
Announced
Fire 5 Ultra
2025, December
N55 Pro
2024, May
Status
Fire 5 Ultra
Available. Released 2025, December
N55 Pro
Available. Released 2024, June
Dimensions
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
N55 Pro
163.8 x 75.8 x 8.6 mm (6.45 x 2.98 x 0.34 in)
Weight
Fire 5 Ultra
395 g (13.93 oz)
N55 Pro
186 g (6.56 oz)
SIM
Fire 5 Ultra
Nano-SIM + Nano-SIM
N55 Pro
Nano-SIM + Nano-SIM
Other
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)
N55 Pro
-
Type
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
N55 Pro
IPS LCD, 90Hz, 350 nits
Size
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
N55 Pro
6.56 inches, 103.4 cm2 (~83.3% screen-to-body ratio)
Resolution
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
N55 Pro
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Protection
Fire 5 Ultra
Mohs level 6
N55 Pro
Mohs level 6
OS
Fire 5 Ultra
Android 15
N55 Pro
Android 14
Chipset
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
N55 Pro
Unisoc T606 (12 nm)
CPU
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
N55 Pro
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Fire 5 Ultra
Mali-G52 MC2
N55 Pro
Mali-G57 MP1
Card slot
Fire 5 Ultra
microSDXC (dedicated slot)
N55 Pro
microSDXC (uses shared SIM slot)
Internal
Fire 5 Ultra
256GB 8GB RAM
N55 Pro
256GB 6GB RAM
Single
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
N55 Pro
13 MP, f/2.2, (wide), AF
Features
Fire 5 Ultra
Dual-LED flash, HDR, panorama
N55 Pro
Dual-LED flash, HDR, panorama
Video
Fire 5 Ultra
1440p@30fps
N55 Pro
1080p@30fps
Single
Fire 5 Ultra
8 MP, f/2.0, (wide)
N55 Pro
8 MP, f/2.2, (wide)
Video
Fire 5 Ultra
1080p@30fps
N55 Pro
720p@30fps
Loudspeaker
Fire 5 Ultra
Yes
N55 Pro
Yes
3.5mm jack
Fire 5 Ultra
No
N55 Pro
Yes
WLAN
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
N55 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Fire 5 Ultra
5.0, A2DP, LE
N55 Pro
5.0, A2DP, LE
Positioning
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
N55 Pro
GPS, GLONASS, BDS, GALILEO
NFC
Fire 5 Ultra
Yes
N55 Pro
No
Radio
Fire 5 Ultra
FM radio
N55 Pro
FM radio
USB
Fire 5 Ultra
USB Type-C
N55 Pro
USB Type-C 2.0, OTG
Sensors
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
N55 Pro
Accelerometer, proximity, compass
Type
Fire 5 Ultra
13000 mAh
N55 Pro
5150 mAh
Charging
Fire 5 Ultra
18W wired
N55 Pro
10W wired
Colors
Fire 5 Ultra
Gray, Orange, Green
N55 Pro
Black, Dark Blue
Price
Fire 5 Ultra
About 250 EUR
N55 Pro
About 140 EUR