Screen size
Fire 5 UltraWinner: 6.6"+1.2%
N50S6.5"
Quick verdict
Fire 5 Ultra leads the measured specs 13-4.
Measured wins
Fire 5 Ultra
13
spec wins
Overall winner
Ties
4
equal specs
N50S
4
spec wins
Screen size
Technology
Fire 5 Ultra
GSM / HSPA / LTE
N50S
GSM / HSPA / LTE
2G bands
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
N50S
GSM 850 / 900 / 1800 / 1900
3G bands
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
N50S
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
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main 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
N50S
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 28, 34, 38, 39, 40, 41
Speed
Fire 5 Ultra
HSPA, LTE
N50S
HSPA, LTE
Announced
Fire 5 Ultra
2025, December
N50S
2023, April
Status
Fire 5 Ultra
Available. Released 2025, December
N50S
Available. Released 2023, May
Dimensions
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
N50S
165.8 x 76.2 x 9.1 mm (6.53 x 3.00 x 0.36 in)
Weight
Fire 5 Ultra
395 g (13.93 oz)
N50S
-
SIM
Fire 5 Ultra
Nano-SIM + Nano-SIM
N50S
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)
N50S
-
Type
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
N50S
IPS LCD, 390 nits (peak)
Size
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
N50S
6.52 inches, 102.6 cm2 (~81.2% screen-to-body ratio)
Resolution
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
N50S
720 x 1600 pixels, 20:9 ratio (~269 ppi density)
Protection
Fire 5 Ultra
Mohs level 6
N50S
-
OS
Fire 5 Ultra
Android 15
N50S
Android 13
Chipset
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
N50S
Unisoc T606 (12 nm)
CPU
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
N50S
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Fire 5 Ultra
Mali-G52 MC2
N50S
Mali-G57 MP1
Card slot
Fire 5 Ultra
microSDXC (dedicated slot)
N50S
microSDXC (uses shared SIM slot)
Internal
Fire 5 Ultra
256GB 8GB RAM
N50S
128GB 4GB RAM
Single
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
N50S
-
Features
Fire 5 Ultra
Dual-LED flash, HDR, panorama
N50S
Triple-LED flash, HDR, panorama
Video
Fire 5 Ultra
1440p@30fps
N50S
Yes
Dual
Fire 5 Ultra
-
N50S
20 MP, (wide), PDAF Auxiliary lens
Single
Fire 5 Ultra
8 MP, f/2.0, (wide)
N50S
8 MP, (wide)
Video
Fire 5 Ultra
1080p@30fps
N50S
Yes
Loudspeaker
Fire 5 Ultra
Yes
N50S
Yes
3.5mm jack
Fire 5 Ultra
No
N50S
Yes
WLAN
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
N50S
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Fire 5 Ultra
5.0, A2DP, LE
N50S
5.0, A2DP, LE
Positioning
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
N50S
GPS, GLONASS, BDS, GALILEO
NFC
Fire 5 Ultra
Yes
N50S
No
Radio
Fire 5 Ultra
FM radio
N50S
FM radio
USB
Fire 5 Ultra
USB Type-C
N50S
USB Type-C 2.0, OTG
Sensors
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
N50S
Accelerometer, proximity, compass
Type
Fire 5 Ultra
13000 mAh
N50S
4200 mAh
Charging
Fire 5 Ultra
18W wired
N50S
10W wired
Colors
Fire 5 Ultra
Gray, Orange, Green
N50S
Blue, Pink, Black
Price
Fire 5 Ultra
About 250 EUR
N50S
-