Screen size
Quick verdict
K15x leads the measured specs 16-2.
Measured wins
A33 (2015)
2
spec wins
Ties
4
equal specs
K15x
16
spec wins
Overall winner
Screen size
Technology
A33 (2015)
GSM / HSPA / LTE
K15x
GSM / HSPA / LTE / 5G
2G bands
A33 (2015)
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
K15x
GSM 850 / 900 / 1800 / 1900
3G bands
A33 (2015)
HSDPA 850 / 900 / 1900 / 2100 , TD-SCDMA
K15x
HSDPA 850 / 900 / 2100
4G bands
A33 (2015)
1, 3, 38, 39, 40, 41
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
equal specsBattery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
3.5mm jack
equal specsSD card
equal specsStereo speakers
K15x
1, 3, 5, 8, 28, 34, 38, 39, 40, 41
Speed
A33 (2015)
HSPA, LTE
K15x
HSPA, LTE, 5G
5G bands
A33 (2015)
-
K15x
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Announced
A33 (2015)
2015, November. Released 2015, November
K15x
2026, October 02
Status
A33 (2015)
Discontinued
K15x
Available. Released 2026, October 02
Dimensions
A33 (2015)
142.7 x 71.7 x 7.6 mm (5.62 x 2.82 x 0.30 in)
K15x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
A33 (2015)
146 g (5.15 oz)
K15x
212 g (7.48 oz)
SIM
A33 (2015)
Nano-SIM + Micro-SIM
K15x
Nano-SIM + Nano-SIM
Build
A33 (2015)
-
K15x
Glass front, plastic frame, plastic back
Other
A33 (2015)
-
K15x
IP64 dust tight and water resistant (water splashes)
Type
A33 (2015)
IPS LCD
K15x
IPS LCD, 120Hz, 1125 nits (peak)
Size
A33 (2015)
5.0 inches, 68.9 cm2 (~67.4% screen-to-body ratio)
K15x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
A33 (2015)
540 x 960 pixels, 16:9 ratio (~220 ppi density)
K15x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
OS
A33 (2015)
Android 5.1 (Lollipop), ColorOS 2.1
K15x
Android 16, ColorOS 16
Chipset
A33 (2015)
Qualcomm MSM8916 Snapdragon 410 (28 nm)
K15x
Mediatek Dimensity 6300 (6 nm)
CPU
A33 (2015)
Quad-core 1.2 GHz Cortex-A53
K15x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
A33 (2015)
Adreno 306
K15x
Mali-G57 MC2
Card slot
A33 (2015)
microSDXC (dedicated slot)
K15x
microSDXC
Internal
A33 (2015)
16GB 2GB RAM
K15x
128GB 6GB RAM, 256GB 6GB RAM
Other
A33 (2015)
eMMC 4.5
K15x
UFS 2.2
Single
A33 (2015)
8 MP, 1/3.2", 1.4µm, AF
K15x
-
Features
A33 (2015)
LED flash, HDR, panorama
K15x
LED flash, HDR, panorama
Video
A33 (2015)
1080p@30fps
K15x
1080p@30/60fps
Dual
A33 (2015)
-
K15x
13 MP, f/2.2, 27mm (wide), AF Auxiliary lens
Single
A33 (2015)
5 MP
K15x
5 MP, f/2.2, 27mm (wide)
Video
A33 (2015)
720p@30fps
K15x
1080p@30fps
Features
A33 (2015)
-
K15x
Panorama
Loudspeaker
A33 (2015)
Yes
K15x
Yes
3.5mm jack
A33 (2015)
Yes
K15x
Yes
WLAN
A33 (2015)
Wi-Fi 802.11 b/g/n
K15x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
A33 (2015)
4.0, A2DP
K15x
5.4, A2DP, LE, aptX HD
Positioning
A33 (2015)
GPS
K15x
GPS, GALILEO, GLONASS, QZSS
NFC
A33 (2015)
No
K15x
Yes
Radio
A33 (2015)
FM radio
K15x
No
USB
A33 (2015)
microUSB 2.0, OTG
K15x
USB Type-C 2.0, OTG
Sensors
A33 (2015)
Accelerometer, proximity, compass
K15x
Fingerprint (side-mounted), accelerometer, proximity, compass
Type
A33 (2015)
Li-Po 2400 mAh, non-removable
K15x
6500 mAh
Stand-by
A33 (2015)
Up to 250 h (3G)
K15x
-
Talk time
A33 (2015)
Up to 8 h (3G)
K15x
-
Charging
A33 (2015)
-
K15x
45W wired 5W reverse wired
Colors
A33 (2015)
White
K15x
Purple, White
Price
A33 (2015)
About 240 EUR
K15x
About 230 EUR
Models
A33 (2015)
-
K15x
PLT150