Screen size
Fire 5 UltraWinner: 6.6"+4.5%
S986.3"
Quick verdict
S98 leads the measured specs 12-3.
Measured wins
Fire 5 Ultra
3
spec wins
Ties
6
equal specs
S98
12
spec wins
Overall winner
Screen size
Technology
Fire 5 Ultra
GSM / HSPA / LTE
S98
GSM / CDMA / HSPA / LTE
2G bands
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
S98
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
3G bands
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
S98
HSDPA 800 / 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
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
USB
5G support
equal specsNFC
equal specs3.5mm jack
SD card
equal specsStereo speakers
S98
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
Speed
Fire 5 Ultra
HSPA, LTE
S98
HSPA, LTE
Announced
Fire 5 Ultra
2025, December
S98
2022, March 18
Status
Fire 5 Ultra
Available. Released 2025, December
S98
Available. Released 2022, March 28
Dimensions
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
S98
172 x 82 x 15.5 mm (6.77 x 3.23 x 0.61 in)
Weight
Fire 5 Ultra
395 g (13.93 oz)
S98
320 g (11.29 oz)
SIM
Fire 5 Ultra
Nano-SIM + Nano-SIM
S98
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)
S98
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-810G compliant
Type
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
S98
IPS LCD, 500 nits (peak)
Size
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
S98
6.3 inches, 97.4 cm2 (~69.1% screen-to-body ratio)
Resolution
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
S98
1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density)
Protection
Fire 5 Ultra
Mohs level 6
S98
Corning Gorilla Glass
OS
Fire 5 Ultra
Android 15
S98
Android 12
Chipset
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
S98
Mediatek MT6781 Helio G96 (12 nm)
CPU
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
S98
Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Fire 5 Ultra
Mali-G52 MC2
S98
Mali-G57 MC2
Card slot
Fire 5 Ultra
microSDXC (dedicated slot)
S98
microSDXC (dedicated slot)
Internal
Fire 5 Ultra
256GB 8GB RAM
S98
256GB 8GB RAM
Other
Fire 5 Ultra
-
S98
UFS 2.2
Single
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
S98
-
Features
Fire 5 Ultra
Dual-LED flash, HDR, panorama
S98
Dual-LED flash, HDR, panorama
Video
Fire 5 Ultra
1440p@30fps
S98
1440p, 1080p
Triple
Fire 5 Ultra
-
S98
64 MP, f/1.8, (wide), PDAF 8 MP, f/2.2, 130˚ (ultrawide) 20 MP, f/1.8, (night vision), 2 infrared night vision lights
Single
Fire 5 Ultra
8 MP, f/2.0, (wide)
S98
16 MP, f/2.0, (wide)
Video
Fire 5 Ultra
1080p@30fps
S98
1080p
Loudspeaker
Fire 5 Ultra
Yes
S98
Yes
3.5mm jack
Fire 5 Ultra
No
S98
Unspecified
WLAN
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
S98
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Fire 5 Ultra
5.0, A2DP, LE
S98
5.1, A2DP, LE
Positioning
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
S98
GPS, GLONASS, BDS, GALILEO
NFC
Fire 5 Ultra
Yes
S98
Yes
Radio
Fire 5 Ultra
FM radio
S98
FM radio
USB
Fire 5 Ultra
USB Type-C
S98
USB Type-C 2.0, OTG
Sensors
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
S98
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Fire 5 Ultra
13000 mAh
S98
6000 mAh
Charging
Fire 5 Ultra
18W wired
S98
33W wired 15W wireless
Colors
Fire 5 Ultra
Gray, Orange, Green
S98
Black, Orange, Red
Price
Fire 5 Ultra
About 250 EUR
S98
About 350 EUR