Screen size
equal specsWP39 Pro6.6"
WP55 Ultra6.6"
Quick verdict
WP55 Ultra leads the measured specs 4-2.
Measured wins
WP39 Pro
2
spec wins
Ties
15
equal specs
WP55 Ultra
4
spec wins
Overall winner
Screen size
equal specsResolution
equal specsRefresh rate
Peak brightness
equal specsPixel density
equal specsCPU speed
RAM
Storage
equal specsMain camera
Front camera
equal specsBattery
equal specsWired charging
equal specsWeight
Thickness
IP rating
equal specsWi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
equal specsNFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
Technology
WP39 Pro
GSM / HSPA / LTE / 5G
WP55 Ultra
GSM / HSPA / LTE / 5G
2G bands
WP39 Pro
GSM 850 / 900 / 1800 / 1900
WP55 Ultra
GSM 850 / 900 / 1800 / 1900
3G bands
WP39 Pro
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
WP55 Ultra
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
WP39 Pro
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
WP55 Ultra
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 66, 71
5G bands
WP39 Pro
1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA
WP55 Ultra
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 34, 38, 39, 40, 41, 48, 66, 71, 77, 78 SA/NSA
Speed
WP39 Pro
HSPA, LTE, 5G
WP55 Ultra
HSPA, LTE, 5G
Announced
WP39 Pro
2025, February 11
WP55 Ultra
2025, May
Status
WP39 Pro
Available. Released 2025, March 15
WP55 Ultra
Available. Released 2025, May
Dimensions
WP39 Pro
172.2 x 81 x 15.2 mm (6.78 x 3.19 x 0.60 in)
WP55 Ultra
172.2 x 81 x 15.3 mm (6.78 x 3.19 x 0.60 in)
Weight
WP39 Pro
360 g (12.70 oz)
WP55 Ultra
367.6 g (12.98 oz)
SIM
WP39 Pro
Nano-SIM + Nano-SIM
WP55 Ultra
Nano-SIM + Nano-SIM
Other
WP39 Pro
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
WP55 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 flood flashlight
Type
WP39 Pro
IPS LCD, 450 nits
WP55 Ultra
IPS LCD, 120Hz, 450 nits
Size
WP39 Pro
6.6 inches, 104.9 cm2 (~75.2% screen-to-body ratio)
WP55 Ultra
6.6 inches, 104.9 cm2 (~75.2% screen-to-body ratio)
Resolution
WP39 Pro
1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
WP55 Ultra
1080 x 2408 pixels, 20:9 ratio (~400 ppi density)
Protection
WP39 Pro
Corning Gorilla Glass 5, Mohs level 5
WP55 Ultra
Corning Gorilla Glass 5, Mohs level 5
OS
WP39 Pro
Android 14
WP55 Ultra
Android 15
Chipset
WP39 Pro
Mediatek Dimensity 6300 (6 nm)
WP55 Ultra
Mediatek Dimensity 7025 (6 nm)
CPU
WP39 Pro
Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
WP55 Ultra
Octa-core (2x2.5 GHz Cortex-A78 & 6x2.0 GHz Cortex-A55)
GPU
WP39 Pro
Mali-G57 MC2
WP55 Ultra
IMG BXM-8-256
Card slot
WP39 Pro
microSDXC (uses shared SIM slot)
WP55 Ultra
microSDXC (uses shared SIM slot)
Internal
WP39 Pro
512GB 12GB RAM
WP55 Ultra
512GB 16GB RAM
Triple
WP39 Pro
64 MP, f/1.9, (wide), 1/1.73", PDAF 8 MP, f/2.2, (night vision), AF 2 MP (macro)
WP55 Ultra
108 MP, f/2.2, (wide), 1/1.8", PDAF 8 MP, f/2.2, (night vision), 1/1.78", AF 5 MP, f/2.2, (thermal), 1/1.5"
Features
WP39 Pro
LED flash, HDR, portrait, panorama
WP55 Ultra
LED flash, HDR, panorama
Video
WP39 Pro
1440p@30fps
WP55 Ultra
1440p@30fps
Single
WP39 Pro
32 MP, f/2.2, (wide), 1/2.74"
WP55 Ultra
32 MP, f/2.2, (wide), 1/2.74"
Video
WP39 Pro
1080p@30fps
WP55 Ultra
1440p@30fps
Loudspeaker
WP39 Pro
Yes
WP55 Ultra
Yes
3.5mm jack
WP39 Pro
No
WP55 Ultra
No
WLAN
WP39 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
WP55 Ultra
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
WP39 Pro
5.2, A2DP, LE
WP55 Ultra
5.2, A2DP, LE
Positioning
WP39 Pro
GPS, GLONASS, GALILEO, BDS
WP55 Ultra
GPS (L1+L5), GLONASS, GALILEO, BDS
NFC
WP39 Pro
Yes
WP55 Ultra
Yes
Radio
WP39 Pro
FM radio
WP55 Ultra
FM radio
USB
WP39 Pro
USB Type-C 2.0, OTG
WP55 Ultra
USB Type-C 2.0
Sensors
WP39 Pro
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
WP55 Ultra
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Type
WP39 Pro
Li-Po 11000 mAh
WP55 Ultra
Li-Po 11000 mAh
Charging
WP39 Pro
33W wired, 100% in 187 min Reverse wired
WP55 Ultra
33W wired
Colors
WP39 Pro
Black, Grey, Green
WP55 Ultra
Black, Red, Gray