Compare / Oppo F33 vs Oppo K15x

Oppo F33 vs Oppo K15x

A side-by-side comparison of the Oppo F33 and the Oppo K15x, covering display, chipset, memory, camera, battery and build.

Oppo F33
Oppo
Oppo F33
Oppo K15x
Oppo
Oppo K15x

Overview

Display
Oppo F33
6.57inch
AMOLED · 120 Hz
1080 × 2372 · 397 PPI
Oppo K15x
6.75inch
IPS LCD · 120 Hz
720 × 1570 · 256 PPI
Chip
Oppo F33
Mediatek Dimensity 6360 Max (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 16
Oppo K15x
Mediatek Dimensity 6300 (6 nm)
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
Mali-G57 MC2 · Android 16
Memory
Oppo F33
6 / 8GB RAM
128 GB · 256 GB storage
microSDXC
Oppo K15x
6GB RAM
128 GB · 256 GB storage
microSDXC
Camera
Oppo F33
50MP
16 MP selfie
1080p@30/60fps video
Oppo K15x
13MP
5 MP selfie
1080p@30/60fps video
Battery
Oppo F33
7,000mAh
80 W wired
Oppo K15x
6,500mAh
45 W wired
Build
Oppo F33
189g
158.2 × 75 × 8 mm
IP68
Oppo K15x
212g
166.6 × 78.5 × 8.6 mm
IP64
Connectivity
Oppo F33
5GWi-Fi 5Bluetooth 5.4Nano-SIM + Nano-SIMUSB Type-C 2.0
Oppo K15x
5GWi-Fi 5Bluetooth 5.4NFCNano-SIM + Nano-SIMUSB Type-C 2.0

Specifications

Oppo F33Oppo K15x

Oppo F33

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 900 / 2100
4G bands
1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48
5G bands
1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Oppo K15x

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
5G bands
1, 3, 5, 8, 28, 41, 48, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Oppo F33

Announced
2026, April 15
Status
Available. Released 2026, April 21

Oppo K15x

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

Oppo F33

Dimensions
158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in)
Weight
189 g (6.67 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)

MIL-STD-810H compliant*

* does not guarantee ruggedness or use in extreme conditions

Oppo K15x

Dimensions
166.6 x 78.5 x 8.6 mm (6.56 x 3.09 x 0.34 in)
Weight
212 g (7.48 oz)
Build
Glass front, plastic frame, plastic back
SIM

Nano-SIM + Nano-SIM

IP64 dust tight and water resistant (water splashes)

Oppo F33

Type
AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM)
Size
6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio)
Resolution
1080 x 2372 pixels (~397 ppi density)
Protection
Asahi Glass DT-STAR D+

Oppo K15x

Type
IPS LCD, 120Hz, 1125 nits (peak)
Size
6.75 inches, 111.4 cm2 (~85.2% screen-to-body ratio)
Resolution
720 x 1570 pixels, 19.5:9 ratio (~256 ppi density)

Oppo F33

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 K15x

OS
Android 16, ColorOS 16
Chipset
Mediatek Dimensity 6300 (6 nm)
CPU
Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU
Mali-G57 MC2

Oppo F33

Card slot
microSDXC
Internal

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

UFS 2.2

Oppo K15x

Card slot
microSDXC
Internal

128GB 6GB RAM, 256GB 6GB RAM

UFS 2.2

Oppo F33

Dual

50 MP, f/1.8, (wide), PDAF

Auxiliary lens

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

Oppo K15x

Dual

13 MP, f/2.2, 27mm (wide), AF

Auxiliary lens

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

Oppo F33

Single
16 MP, f/2.4, (wide)
Features
Panorama
Video
1080p@30fps

Oppo K15x

Single
5 MP, f/2.2, 27mm (wide)
Features
Panorama
Video
1080p@30fps

Oppo F33

Loudspeaker
Yes, with stereo speakers
3.5mm jack
No

Oppo K15x

Loudspeaker
Yes
3.5mm jack
Yes

Oppo F33

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
No
Radio
Unspecified
USB
USB Type-C 2.0, OTG

Oppo K15x

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

Oppo F33

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

Oppo K15x

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

Oppo F33

Type
Si/C Li-Ion 7000 mAh
Charging

80W wired, 33W PPS, 13.5W PD

10W reverse wired

Oppo K15x

Type
6500 mAh
Charging

45W wired

5W reverse wired

Oppo F33

Colors
Pearl White, Forest Green
Models
CPH2777
SAR
1.18 W/kg (head)     0.81 W/kg (body)    
Price
About 290 EUR

Oppo K15x

Colors
Purple, White
Models
PLT150
Price
About 230 EUR
Full specs: Oppo F33 Full specs: Oppo K15x

How the Oppo F33 and Oppo K15x differ

  • The Oppo F33 has a larger battery, 7000 mAh against 6500 mAh on the Oppo K15x.
  • The Oppo K15x has the bigger screen, 6.75 inches against 6.57 inches.
  • The Oppo F33 offers more RAM, up to 8 GB against 6 GB.
  • The main cameras are 50 MP on the Oppo F33 and 13 MP on the Oppo K15x.
  • The Oppo K15x is the newer of the two, released in October 2026.

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