Compare / Oppo K13x vs Oppo K15s

Oppo K13x vs Oppo K15s

A side-by-side comparison of the Oppo K13x and the Oppo K15s, covering display, chipset, memory, camera, battery and build.

Oppo K13x
Oppo
Oppo K13x
Oppo K15s
Oppo
Oppo K15s

Overview

Display
Oppo K13x
6.67inch
IPS LCD · 120 Hz
720 × 1604 · 264 PPI
Oppo K15s
6.57inch
AMOLED · 120 Hz
1080 × 2372 · 397 PPI
Chip
Oppo K13x
Mediatek Dimensity 6300 (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 15
Oppo K15s
Mediatek Dimensity 6360 Max (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 16
Memory
Oppo K13x
4 / 6 / 8GB RAM
128 GB · 256 GB storage
microSDXC
Oppo K15s
6 / 8GB RAM
128 GB · 256 GB storage
microSDXC
Camera
Oppo K13x
50MP Main
2 MP Wide
8 MP selfie
1080p@30/60fps video
Oppo K15s
50MP
8 MP selfie
1080p@30/60fps video
Battery
Oppo K13x
6,000mAh
45 W wired
Oppo K15s
8,000mAh
45 W wired
Build
Oppo K13x
194g
165.7 × 76.2 × 7.9 mm
IP65
Oppo K15s
205g
159.1 × 75.8 × 8.8 mm
IP68
Connectivity
Oppo K13x
5GWi-Fi 5Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0
Oppo K15s
5GWi-Fi 5Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Oppo K13x

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands

HSDPA 900 / 2100 - K13x

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - A5i Pro

4G bands

1, 3, 5, 8, 28, 40, 41 - K13x

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 26, 28, 38, 39, 40, 41, 66 - A5i Pro

5G bands

1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA - K13x

1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA - A5i Pro

Speed
HSPA, LTE, 5G

Oppo K15s

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 850 / 900 / 2100
4G bands
1, 3, 5, 8, 28, 34, 38, 39, 40, 41, 42, 48
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 48, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Oppo K13x

Announced
2025, June 23
Status
Available. Released 2025, June 27

Oppo K15s

Announced
2026, October 02
Status
Available. Released 2026, October 02

Oppo K13x

Dimensions
165.7 x 76.2 x 7.9 mm (6.52 x 3.00 x 0.31 in)
Weight
194 g (6.84 oz)
SIM

Nano-SIM + Nano-SIM

IP65 dust tight and water resistant (low pressure water jets)

MIL-STD-810H compliant*

* does not guarantee ruggedness or use in extreme conditions

Oppo K15s

Dimensions
159.1 x 75.8 x 8.8 mm (6.26 x 2.98 x 0.35 in)
Weight
205 g (7.23 oz)
Build
Glass front, plastic frame, plastic back
SIM

Nano-SIM + Nano-SIM

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

Oppo K13x

Type
IPS LCD, 120Hz, 850 nits (typ), 1000 nits (HBM)
Size
6.67 inches, 107.2 cm2 (~84.9% screen-to-body ratio)
Resolution
720 x 1604 pixels, 20:9 ratio (~264 ppi density)
Protection
Corning Gorilla Glass 7i (Oppo A5i Pro only)

Oppo K15s

Type
AMOLED, 1B colors, 120Hz, 800 nits (typ), 1400 nits (peak)
Size
6.57 inches, 105.0 cm2 (~87.1% screen-to-body ratio)
Resolution
1080 x 2372 pixels (~397 ppi density)

Oppo K13x

OS
Android 15, ColorOS 15
Chipset
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2

Oppo K15s

OS
Android 16, ColorOS 16
Chipset
Mediatek Dimensity 6360 Max (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2

Oppo K13x

Card slot
microSDXC
Internal

128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM

UFS 2.2

Oppo K15s

Card slot
microSDXC
Internal

128GB 6GB RAM, 256GB 8GB RAM

UFS 2.2

Oppo K13x

Dual

50 MP, f/1.8, 27mm (wide), 1/2.88", 0.61µm, PDAF

2 MP, f/2.4, (wide)

Features
LED flash, HDR, panorama
Video
1080p@30/60fps

Oppo K15s

Dual

50 MP, f/1.9, 25mm (wide), PDAF

Auxiliary lens

Features
LED flash, HDR, panorama
Video
1080p@30/60fps

Oppo K13x

Single
8 MP, f/2.0, 25mm (wide), 1/4.0", 1.12µm
Features
Panorama
Video
1080p@30fps

Oppo K15s

Single
8 MP, f/2.1, 25mm (wide)
Features
Panorama
Video
1080p@30fps

Oppo K13x

Loudspeaker
Yes
3.5mm jack
Yes

Oppo K15s

Loudspeaker
Yes
3.5mm jack
No

Oppo K13x

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes (only A5i Pro)
Radio
Unspecified
USB
USB Type-C 2.0, OTG

Oppo K15s

WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
5.4, A2DP, LE, aptX HD
Positioning
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Yes
Infrared port
Yes
Radio
No
USB
USB Type-C 2.0, OTG

Oppo K13x

Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass

Oppo K15s

Sensors
Fingerprint (under display, optical), accelerometer, gyro, proximity, compass

Oppo K13x

Type
6000 mAh
Charging
45W wired, 33W PPS, 13.5W PD, 50% in 37 min

Oppo K15s

Type
Si/C Li-Ion 8000 mAh
Charging

45W wired, 45W UFCS, 45W PPS, 13.5W PD

Reverse wired

Oppo K13x

Colors
Sunset Peach, Midnight Violet (Midnight Purple), Breeze Blue
Models
CPH2753, CPH2821
SAR
1.18 W/kg (head)     1.05 W/kg (body)    
Price
About 120 EUR

Oppo K15s

Colors
Gray, Purple
Models
PYE130
Price
About 270 EUR

How the Oppo K13x and Oppo K15s differ

  • The Oppo K15s has a larger battery, 8000 mAh against 6000 mAh on the Oppo K13x.
  • The Oppo K13x has the bigger screen, 6.67 inches against 6.57 inches.
  • The Oppo K15s is the newer of the two, released in October 2026.