Screen size
CR1 Pro1.3"
Fire 5 UltraWinner: 6.6"+81%
Quick verdict
Fire 5 Ultra leads the measured specs 15-2.
Measured wins
CR1 Pro
2
spec wins
Ties
3
equal specs
Fire 5 Ultra
15
spec wins
Overall winner
Screen size
Technology
CR1 Pro
No cellular connectivity
Fire 5 Ultra
GSM / HSPA / LTE
2G bands
CR1 Pro
N/A
Fire 5 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
CR1 Pro
N/A
Fire 5 Ultra
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
CR1 Pro
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
equal specsUSB
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
CR1 Pro
No
Fire 5 Ultra
-
EDGE
CR1 Pro
No
Fire 5 Ultra
-
Speed
CR1 Pro
-
Fire 5 Ultra
HSPA, LTE
Announced
CR1 Pro
2021, November
Fire 5 Ultra
2025, December
Status
CR1 Pro
Available. Released 2021, November
Fire 5 Ultra
Available. Released 2025, December
Dimensions
CR1 Pro
45 x 45 x 11.5 mm (1.77 x 1.77 x 0.45 in)
Fire 5 Ultra
176.5 x 82.5 x 18.7 mm (6.95 x 3.25 x 0.74 in)
Weight
CR1 Pro
47 g (1.66 oz)
Fire 5 Ultra
395 g (13.93 oz)
Build
CR1 Pro
Plastic frame, plastic back
Fire 5 Ultra
-
SIM
CR1 Pro
No
Fire 5 Ultra
Nano-SIM + Nano-SIM
Other
CR1 Pro
5ATM waterproof (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
CR1 Pro
TFT LCD
Fire 5 Ultra
IPS LCD, 90Hz, 400 nits
Size
CR1 Pro
1.28 inches
Fire 5 Ultra
6.6 inches, 104.6 cm2 (~71.9% screen-to-body ratio)
Resolution
CR1 Pro
240 x 240 pixels (~265 ppi density)
Fire 5 Ultra
720 x 1612 pixels, 20:9 ratio (~267 ppi density)
Protection
CR1 Pro
-
Fire 5 Ultra
Mohs level 6
OS
CR1 Pro
Proprietary
Fire 5 Ultra
Android 15
Chipset
CR1 Pro
nRF52840
Fire 5 Ultra
Mediatek Helio G81 (12 nm)
CPU
CR1 Pro
-
Fire 5 Ultra
Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU
CR1 Pro
-
Fire 5 Ultra
Mali-G52 MC2
Card slot
CR1 Pro
No
Fire 5 Ultra
microSDXC (dedicated slot)
Internal
CR1 Pro
-
Fire 5 Ultra
256GB 8GB RAM
Other
CR1 Pro
No
Fire 5 Ultra
-
Loudspeaker
CR1 Pro
No
Fire 5 Ultra
Yes
3.5mm jack
CR1 Pro
No
Fire 5 Ultra
No
WLAN
CR1 Pro
No
Fire 5 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
CR1 Pro
5.0, A2DP, LE
Fire 5 Ultra
5.0, A2DP, LE
Positioning
CR1 Pro
GPS
Fire 5 Ultra
GPS, GLONASS, GALILEO, BDS
NFC
CR1 Pro
No
Fire 5 Ultra
Yes
Radio
CR1 Pro
No
Fire 5 Ultra
FM radio
USB
CR1 Pro
No
Fire 5 Ultra
USB Type-C
Sensors
CR1 Pro
Accelerometer, heart rate, SpO2
Fire 5 Ultra
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
CR1 Pro
300 mAh
Fire 5 Ultra
13000 mAh
Charging
CR1 Pro
-
Fire 5 Ultra
18W wired
Colors
CR1 Pro
Grey Black
Fire 5 Ultra
Gray, Orange, Green
Price
CR1 Pro
About 60 EUR
Fire 5 Ultra
About 250 EUR
Single
CR1 Pro
-
Fire 5 Ultra
48 MP, f/1.8, (wide), AF
Features
CR1 Pro
-
Fire 5 Ultra
Dual-LED flash, HDR, panorama
Video
CR1 Pro
-
Fire 5 Ultra
1440p@30fps
Single
CR1 Pro
-
Fire 5 Ultra
8 MP, f/2.0, (wide)
Video
CR1 Pro
-
Fire 5 Ultra
1080p@30fps