Screen size
Joy Plus4.0"
K15sWinner: 6.6"+39%
Quick verdict
K15s leads the measured specs 18-2.
Measured wins
Joy Plus
2
spec wins
Ties
2
equal specs
K15s
18
spec wins
Overall winner
Screen size
Technology
Joy Plus
GSM / HSPA
K15s
GSM / HSPA / LTE / 5G
2G bands
Joy Plus
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
K15s
GSM 850 / 900 / 1800 / 1900
3G bands
Joy Plus
HSDPA 850 / 900 / 2100
K15s
HSDPA 850 / 900 / 2100
Speed
Joy Plus
HSPA
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
3.5mm jack
SD card
equal specsStereo speakers
K15s
HSPA, LTE, 5G
4G bands
Joy Plus
-
K15s
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
Joy Plus
-
K15s
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Announced
Joy Plus
2015, April. Released 2015, May
K15s
2026, October 02
Status
Joy Plus
Discontinued
K15s
Available. Released 2026, October 02
Dimensions
Joy Plus
124 x 63 x 9.9 mm (4.88 x 2.48 x 0.39 in)
K15s
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
Joy Plus
125 g (4.41 oz)
K15s
205 g (7.23 oz)
SIM
Joy Plus
Dual SIM (Mini-SIM/ Micro-SIM)
K15s
Nano-SIM + Nano-SIM
Build
Joy Plus
-
K15s
Glass front, plastic frame, plastic back
Other
Joy Plus
-
K15s
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) Drop resistant up to 1.8m
Type
Joy Plus
IPS LCD
K15s
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
Joy Plus
4.0 inches, 45.5 cm2 (~58.3% screen-to-body ratio)
K15s
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
Joy Plus
480 x 800 pixels, 5:3 ratio (~233 ppi density)
K15s
1080 x 2372 pixels (~397 ppi density)
OS
Joy Plus
Android 4.4 (KitKat), ColorOS 2
K15s
Android 16, ColorOS 16
Chipset
Joy Plus
Mediatek MT6572 (28 nm)
K15s
Mediatek Dimensity 6360 Max (6 nm)
CPU
Joy Plus
Dual-core 1.3 GHz Cortex-A7
K15s
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Joy Plus
Mali-400
K15s
Mali-G57 MC2
Card slot
Joy Plus
microSDHC (dedicated slot)
K15s
microSDXC
Internal
Joy Plus
4GB 1GB RAM
K15s
128GB 6GB RAM, 256GB 8GB RAM
Other
Joy Plus
-
K15s
UFS 2.2
Single
Joy Plus
3.15 MP
K15s
-
Features
Joy Plus
LED flash
K15s
LED flash, HDR, panorama
Video
Joy Plus
720p
K15s
1080p@30/60fps
Dual
Joy Plus
-
K15s
50 MP, f/1.9, 25mm (wide), PDAF Auxiliary lens
Single
Joy Plus
VGA
K15s
8 MP, f/2.1, 25mm (wide)
Video
Joy Plus
K15s
1080p@30fps
Features
Joy Plus
-
K15s
Panorama
Loudspeaker
Joy Plus
Yes
K15s
Yes
3.5mm jack
Joy Plus
Yes
K15s
No
WLAN
Joy Plus
Wi-Fi 802.11 b/g/n, DLNA, hotspot
K15s
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
Joy Plus
4.0, A2DP, EDR
K15s
5.4, A2DP, LE, aptX HD
Positioning
Joy Plus
GPS
K15s
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Joy Plus
No
K15s
Yes
Radio
Joy Plus
FM radio
K15s
No
USB
Joy Plus
microUSB 2.0
K15s
USB Type-C 2.0, OTG
Infrared port
Joy Plus
-
K15s
Yes
Sensors
Joy Plus
Accelerometer, proximity
K15s
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Type
Joy Plus
Li-Ion 1700 mAh, removable
K15s
Si/C Li-Ion 8000 mAh
Charging
Joy Plus
-
K15s
45W wired, 45W UFCS, 45W PPS, 13.5W PD Reverse wired
Colors
Joy Plus
White, Blue
K15s
Gray, Purple
Models
Joy Plus
R1011
K15s
PYE130
Price
Joy Plus
About 100 EUR
K15s
About 270 EUR