Screen size
F33 Pro6.6"
K15xWinner: 6.8"+2.7%
Quick verdict
F33 Pro leads the measured specs 11-3.
Measured wins
F33 Pro
11
spec wins
Overall winner
Ties
8
equal specs
K15x
3
spec wins
Screen size
Technology
F33 Pro
GSM / HSPA / LTE / 5G
K15x
GSM / HSPA / LTE / 5G
2G bands
F33 Pro
GSM 850 / 900 / 1800 / 1900
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
F33 Pro
HSDPA 900 / 2100
K15x
HSDPA 850 / 900 / 2100
4G bands
F33 Pro
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Resolution
Refresh rate
equal specsPeak brightness
Pixel density
CPU speed
equal specsRAM
Storage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
equal specsBluetooth
equal specsUSB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
5G bands
F33 Pro
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
F33 Pro
HSPA, LTE, 5G
K15x
HSPA, LTE, 5G
Announced
F33 Pro
2026, April 15
K15x
2026, October 02
Status
F33 Pro
Released Apr 26, 2026
K15x
Available. Released 2026, October 02
Dimensions
F33 Pro
158.4 x 75.2 x 8.3 mm (6.24 x 2.96 x 0.33 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
F33 Pro
194 g (6.84 oz)
K15x
212 g (7.48 oz)
Build
F33 Pro
Glass front, plastic frame, plastic back
K15x
Glass front, plastic frame, plastic back
SIM
F33 Pro
Nano-SIM + Nano-SIM
K15x
Nano-SIM + Nano-SIM
Other
F33 Pro
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
K15x
IP64 dust tight and water resistant (water splashes)
Type
F33 Pro
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
F33 Pro
6.57 inches, 105.0 cm2 (~88.2% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
F33 Pro
1080 x 2372 pixels (~397 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
Protection
F33 Pro
Asahi Glass DT-STAR D+
K15x
-
OS
F33 Pro
Android 16, ColorOS 16
K15x
Android 16, ColorOS 16
Chipset
F33 Pro
Mediatek Dimensity 6360 Max (6 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
F33 Pro
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
F33 Pro
Mali-G57 MC2
K15x
Mali-G57 MC2
Card slot
F33 Pro
microSDXC
K15x
microSDXC
Internal
F33 Pro
128GB 8GB RAM, 256GB 8GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
F33 Pro
UFS 2.2
K15x
UFS 2.2
Dual
F33 Pro
50 MP, f/1.8, (wide), PDAF Auxiliary lens
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Features
F33 Pro
Color spectrum sensor, LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
F33 Pro
1080p@30/60fps
K15x
1080p@30/60fps
Single
F33 Pro
50 MP, f/2.0, 18mm (ultrawide), AF
K15x
5 MP, f/2.2, 27mm (wide)
Features
F33 Pro
Panorama
K15x
Panorama
Video
F33 Pro
1080p@30fps
K15x
1080p@30fps
Loudspeaker
F33 Pro
Yes
K15x
Yes
3.5mm jack
F33 Pro
No
K15x
Yes
WLAN
F33 Pro
Wi-Fi 802.11 a/b/g/n/ac, dual-band
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
F33 Pro
5.4, A2DP, LE, aptX HD
K15x
5.4, A2DP, LE, aptX HD
Positioning
F33 Pro
GPS, GALILEO, GLONASS, BDS, QZSS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
F33 Pro
No
K15x
Yes
Radio
F33 Pro
No
K15x
No
USB
F33 Pro
USB Type-C 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
F33 Pro
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
F33 Pro
Si/C Li-Ion 7000 mAh
K15x
6500 mAh
Charging
F33 Pro
80W wired, 55W PPS, 13.5W PD 5W reverse wired
K15x
45W wired 5W reverse wired
Colors
F33 Pro
Misty Forest, Passion Red, Starry Blue
K15x
Purple, White
Models
F33 Pro
CPH2835
K15x
PLT150
SAR
F33 Pro
1.14 W/kg (head) 0.89 W/kg (body)
K15x
-
Price
F33 Pro
About 350 EUR
K15x
About 230 EUR