Screen size
Blade20 UltraWinner: 6.6"+0.6%
Fire 66.6"
Quick verdict
Blade20 Ultra leads the measured specs 6-2.
Measured wins
Blade20 Ultra
6
spec wins
Overall winner
Ties
12
equal specs
Fire 6
2
spec wins
Screen size
Technology
Blade20 Ultra
GSM / HSPA / LTE
Fire 6
GSM / HSPA / LTE
2G bands
Blade20 Ultra
GSM 850 / 900 / 1800 / 1900
Fire 6
GSM 850 / 900 / 1800 / 1900
3G bands
Blade20 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
Fire 6
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Blade20 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
Main camera
equal specsFront camera
equal specsBattery
Wired charging
equal specsWeight
Thickness
equal specsIP rating
equal specsWi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
Fire 6
1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66
Speed
Blade20 Ultra
HSPA, LTE
Fire 6
HSPA, LTE
Announced
Blade20 Ultra
2025, May
Fire 6
2024, December
Status
Blade20 Ultra
Available. Released 2025, May
Fire 6
Available. Released 2024, December
Dimensions
Blade20 Ultra
174 x 81.2 x 15.8 mm (6.85 x 3.20 x 0.62 in)
Fire 6
174 x 81.2 x 15.8 mm (6.85 x 3.20 x 0.62 in)
Weight
Blade20 Ultra
326 g (11.50 oz)
Fire 6
-
SIM
Blade20 Ultra
Nano-SIM + Nano-SIM
Fire 6
Nano-SIM + Nano-SIM
Other
Blade20 Ultra
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant
Fire 6
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant
Type
Blade20 Ultra
IPS LCD, 90Hz
Fire 6
IPS LCD, 90Hz
Size
Blade20 Ultra
6.6 inches, 104.6 cm2 (~74.1% screen-to-body ratio)
Fire 6
6.56 inches, 103.4 cm2 (~73.2% screen-to-body ratio)
Resolution
Blade20 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Fire 6
720 x 1612 pixels, 20:9 ratio (~269 ppi density)
Protection
Blade20 Ultra
Mohs level 6
Fire 6
Mohs level 6
Other
Blade20 Ultra
Secondary screen on the back: IPS LCD, 1.54 inches, 240 x 240 pixels
Fire 6
-
OS
Blade20 Ultra
Android 14
Fire 6
Android 14
Chipset
Blade20 Ultra
Unisoc T7250 (12 nm)
Fire 6
Unisoc T606 (12 nm)
CPU
Blade20 Ultra
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
Fire 6
Octa-core (2x1.6 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
GPU
Blade20 Ultra
Mali-G57 MP1
Fire 6
Mali-G57 MP1
Card slot
Blade20 Ultra
microSDXC (dedicated slot)
Fire 6
microSDXC (dedicated slot)
Internal
Blade20 Ultra
512GB 8GB RAM
Fire 6
256GB 6GB RAM
Other
Blade20 Ultra
-
Fire 6
UFS
Single
Blade20 Ultra
50 MP, f/1.8, (wide), 1/2.5", AF
Fire 6
-
Features
Blade20 Ultra
Dual-LED flash, HDR, panorama
Fire 6
Dual-LED flash, HDR, panorama
Video
Blade20 Ultra
1080p@30fps
Fire 6
1080p
Triple
Blade20 Ultra
-
Fire 6
50 MP, f/1.8, (wide), PDAF Thermal camera, 160x120 px, 12μm 8 MP, f/2.2
Single
Blade20 Ultra
8 MP, f/2.2, (wide), 1/4.0"
Fire 6
8 MP, f/2.2, (wide)
Video
Blade20 Ultra
720p@30fps
Fire 6
720p
Loudspeaker
Blade20 Ultra
Yes
Fire 6
Yes
3.5mm jack
Blade20 Ultra
No
Fire 6
No
WLAN
Blade20 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Fire 6
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Blade20 Ultra
5.0, A2DP, LE
Fire 6
5.0, A2DP, LE
Positioning
Blade20 Ultra
GPS, GLONASS, BDS, GALILEO
Fire 6
GPS, GLONASS, BDS, GALILEO
NFC
Blade20 Ultra
Yes
Fire 6
No
Radio
Blade20 Ultra
FM radio
Fire 6
FM radio
USB
Blade20 Ultra
USB Type-C 2.0, OTG
Fire 6
USB Type-C 2.0, OTG
Sensors
Blade20 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fire 6
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
Blade20 Ultra
10300 mAh
Fire 6
10400 mAh
Charging
Blade20 Ultra
18W wired Reverse wired
Fire 6
18W wired Reverse wired
Colors
Blade20 Ultra
Red, Silver
Fire 6
Black, Blue
Price
Blade20 Ultra
About 230 EUR
Fire 6
-