Screen size
K14xWinner: 6.8"+26%
R75.0"
Quick verdict
K14x leads the measured specs 12-5.
Measured wins
K14x
12
spec wins
Overall winner
Ties
4
equal specs
R7
5
spec wins
Screen size
Technology
K14x
GSM / HSPA / LTE / 5G
R7
GSM / HSPA / LTE
2G bands
K14x
GSM 850 / 900 / 1800 / 1900
R7
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
K14x
HSDPA 900 / 2100
R7
HSDPA 850 / 900 / 1900 / 2100 - Global, Taiwan, HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
4G bands
K14x
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
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
USB
equal specs5G support
NFC
equal specs3.5mm jack
equal specsSD card
equal specsStereo speakers
R7
1, 3, 7, 8, 40 - Global, 1, 3, 5, 7, 8, 28, 40 - Taiwan, 1, 3, 4, 7, 17, 20 - USA
5G bands
K14x
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
R7
-
Speed
K14x
HSPA, LTE, 5G
R7
HSPA, LTE Cat4 150/50 Mbps
Announced
K14x
2026, February 10
R7
2015, May. Released 2015, May
Status
K14x
Released Feb 16, 2026
R7
Discontinued
Dimensions
K14x
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
R7
143 x 71 x 6.3 mm (5.63 x 2.80 x 0.25 in)
Weight
K14x
212 g (7.48 oz)
R7
147 g (5.19 oz)
Build
K14x
Glass front, plastic frame, plastic back
R7
-
SIM
K14x
Nano-SIM + Nano-SIM
R7
Nano-SIM + Micro-SIM
Other
K14x
IP64 dust tight and water resistant (water splashes)
R7
-
Type
K14x
IPS LCD, 120Hz, 700 nits (typ), 1125 nits (peak)
R7
AMOLED
Size
K14x
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
R7
5.0 inches, 67.7 cm2 (~66.7% screen-to-body ratio)
Resolution
K14x
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)
R7
1080 x 1920 pixels, 16:9 ratio (~445 ppi density)
Protection
K14x
-
R7
Corning Gorilla Glass 3
OS
K14x
Android 15, ColorOS 15
R7
Android 4.4.2 (KitKat), ColorOS 2.1
Chipset
K14x
Mediatek Dimensity 6300 (6 nm)
R7
Qualcomm MSM8939 Snapdragon 615 (28 nm)
CPU
K14x
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
R7
Octa-core (4x1.5 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
GPU
K14x
Mali-G57 MC2
R7
Adreno 405
Card slot
K14x
microSDXC
R7
microSDXC (uses shared SIM slot)
Internal
K14x
128GB 4GB RAM, 128GB 6GB RAM
R7
16GB 3GB RAM
Other
K14x
UFS 2.2
R7
eMMC 4.5
Dual
K14x
50 MP, f/1.8, (wide), PDAF Auxiliary lens
R7
-
Features
K14x
LED flash, HDR, panorama
R7
LED flash, panorama, HDR, Schneider-Kreuznach optics
Video
K14x
1080p@30/60fps
R7
1080p@30fps
Single
K14x
-
R7
13 MP, f/2.2, PDAF
Single
K14x
5 MP, f/2.2, (wide)
R7
8 MP, f/2.4
Features
K14x
Panorama
R7
-
Video
K14x
1080p@30fps
R7
Loudspeaker
K14x
Yes
R7
Yes
3.5mm jack
K14x
Yes
R7
Yes
WLAN
K14x
Wi-Fi 802.11 a/b/g/n/ac, dual-band
R7
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
K14x
5.4, A2DP, LE, aptX HD
R7
4.0, A2DP
Positioning
K14x
GPS, GALILEO, GLONASS, QZSS
R7
GPS, GLONASS
NFC
K14x
No
R7
No
Radio
K14x
Unspecified
R7
No
USB
K14x
USB Type-C 2.0, OTG
R7
microUSB 2.0, OTG
Sensors
K14x
Fingerprint (side-mounted), accelerometer, proximity, compass
R7
Accelerometer, proximity, compass
Type
K14x
6500 mAh
R7
Li-Po 2320 mAh, non-removable
Charging
K14x
45 wired, 33W PPS, 13.5W PD 5W reverse wired
R7
20W wired, 75% in 30 min
Colors
K14x
Prism Violet, Icy Blue
R7
Golden, Silver
Models
K14x
CPH2871
R7
R7f
SAR
K14x
1.14 W/kg (head) 0.89 W/kg (body)
R7
-
Price
K14x
About 140 EUR
R7
About 360 EUR