Screen size
K14xWinner: 6.8"+7%
R156.3"
Quick verdict
K14x leads the measured specs 10-5.
Measured wins
K14x
10
spec wins
Overall winner
Ties
6
equal specs
R15
5
spec wins
Screen size
Technology
K14x
GSM / HSPA / LTE / 5G
R15
GSM / CDMA / HSPA / LTE
2G bands
K14x
GSM 850 / 900 / 1800 / 1900
R15
GSM 850 / 900 / 1800 / 1900 , CDMA 800 & TD-SCDMA
3G bands
K14x
HSDPA 900 / 2100
R15
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
equal specsStorage
equal specsMain camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
R15
1, 2, 3, 4, 5, 7, 8, 34, 38, 39, 40, 41
5G bands
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R15
-
Speed
K14x
HSPA, LTE, 5G
R15
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat13 600/100 Mbps
Announced
K14x
2026, February 10
R15
2018, March. Released 2018, April
Status
K14x
Released Feb 16, 2026
R15
Discontinued
Dimensions
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R15
155.1 x 75.2 x 7.4 mm (6.11 x 2.96 x 0.29 in)
Weight
K14x
212 g (7.48 oz)
R15
175 g (6.17 oz)
Build
K14x
Glass front, plastic frame, plastic back
R15
Glass front (Gorilla Glass 5), glass back, aluminum frame
SIM
K14x
Nano-SIM + Nano-SIM
R15
Nano-SIM + Nano-SIM
Other
K14x
IP64 dust tight and water resistant (water splashes)
R15
-
Type
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
R15
AMOLED
Size
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R15
6.28 inches, 98.9 cm2 (~84.8% screen-to-body ratio)
Resolution
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R15
1080 x 2280 pixels, 19:9 ratio (~401 ppi density)
Protection
K14x
-
R15
Corning Gorilla Glass 5
OS
K14x
Android 15, ColorOS 15
R15
Android 8.1 (Oreo), ColorOS 5
Chipset
K14x
Mediatek Dimensity 6300 (6 nm)
R15
Mediatek MT6771 Helio P60 (12 nm)
CPU
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R15
Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
GPU
K14x
Mali-G57 MC2
R15
Mali-G72 MP3
Card slot
K14x
microSDXC
R15
microSDXC (uses shared SIM slot)
Internal
K14x
128GB 4GB RAM, 128GB 6GB RAM
R15
128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
Other
K14x
UFS 2.2
R15
eMMC 5.1
Dual
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
R15
16 MP, f/1.7, 1/2.6", 1.22µm, PDAF Auxiliary lens
Features
K14x
LED flash, HDR, panorama
R15
LED flash, HDR, panorama
Video
K14x
1080p@30/60fps
R15
4K@30fps, 1080p@30fps
Single
K14x
5 MP, f/2.2, (wide)
R15
20 MP, f/2.0, (wide), 1/2.8", 1.0µm
Features
K14x
Panorama
R15
-
Video
K14x
1080p@30fps
R15
1080p@30fps
Loudspeaker
K14x
Yes
R15
Yes
3.5mm jack
K14x
Yes
R15
Yes
WLAN
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R15
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
K14x
5.4, A2DP, LE, aptX HD
R15
4.2, A2DP, LE, EDR
Positioning
K14x
GPS, GALILEO, GLONASS, QZSS
R15
GPS, GLONASS
NFC
K14x
No
R15
No
Radio
K14x
Unspecified
R15
No
USB
K14x
USB Type-C 2.0, OTG
R15
microUSB 2.0, OTG
Sensors
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
R15
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Type
K14x
6500 mAh
R15
Li-Po 3450 mAh, non-removable
Charging
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
R15
20W wired
Colors
K14x
Prism Violet, Icy Blue
R15
Hot Red, Snow White, Star Purple, Fantasy Pink
Models
K14x
CPH2871
R15
PACM00, CPH1835, PACT00, PAAT00
SAR
K14x
1.14 W/kg (head) 0.89 W/kg (body)
R15
-
Price
K14x
About 140 EUR
R15
About 460 EUR