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OPPO K15 Pro vs Vivo S2

What K15 Pro does better (14) and where S2 wins (7) — every spec side by side.

OPPO K15 Pro
OPPO · 2026K15 Pro
9.4Score
14 advantages≈ $430
Higher score
vs
Vivo S2
Vivo · 2026S2
8.6Score
7 advantages≈ $430
9.2Display9.6
8.6Camera6.4
9.4Battery8.6
8.9Features6.6
Dimensions

Size comparison

K15 ProS2
75.1 × 158.38.375.3 × 164.48
K15 ProS2Difference
Height158.3 mm164.4 mm−6.1 mm
Width75.1 mm75.3 mm−0.2 mm
Thickness8.3 mm8 mm+0.3 mm
Weight203 g197 g+6 g

Drawn to the same scale from the official dimensions (front and side).

Why is K15 Pro better than S2?

  1. Wired charging80 W vs 44 W+82%
  2. RAM12 GB vs 8 GB+50%
  3. Storage (max)512 GB vs 256 GB2×
  4. Optical stabilisationYes · S2: No
  5. NFCYes · S2: No
  6. Battery capacity7,500 mAh vs 7,050 mAh+6%
  7. Refresh rate144 Hz vs 120 Hz+20%
  8. CPU frequency3.4 GHz vs 2.5 GHz+36%
  9. Storage (base)256 GB vs 128 GB2×
  10. Rear cameras2 vs 12×
  11. Ultra-wide cameraYes · S2: No
  12. 4K video frame rate60 fps vs 30 fps2×

Why is S2 better than K15 Pro?

  1. Peak brightness1,200 nits vs 3,000 nits2.5×
  2. Selfie camera16 MP vs 32 MP2×
  3. 4K selfie videoNo · K15 Pro: Yes
  4. Screen size6.6″ vs 6.8″+4%
  5. Weight203 g vs 197 g+3%
  6. Thickness8.3 mm vs 8 mm+4%
  7. Screen-to-body ratio88.9% vs 91.4%+3%
Specifications

Side by side

OPPO K15 ProOPPO K15 Pro≈ $4309.4
Vivo S2Vivo S2≈ $4308.6
Design
Weight203 g197 g
Thickness8.3 mm8 mm
Height158.3 mm164.4 mm
Width75.1 mm75.3 mm
FrameAluminiumPlastic
Back—Plastic
Ingress protectionIP68IP68
Water resistance (IPx)IPx8IPx8
Glass protectionCrystal Shield Glass—
ColoursGray, Silver, Pink, Black/GoldSapphire Blue, Regal Bronze, Silk White
Display
Screen size6.6″6.8″
PanelAMOLEDAMOLED
OLED panelYesYes
Resolution (width)1,256 px1,260 px
Resolution (height)2,760 px2,800 px
Pixel density460 ppi449 ppi
Refresh rate144 Hz120 Hz
Peak brightness1,200 nits3,000 nits
Screen-to-body ratio88.9%91.4%
Performance
ChipsetMediatek Dimensity 8500 SuperMediatek Dimensity 7360 Turbo
Chip makerMediaTekMediaTek
Process4 nm4 nm
CPU cores88
CPU frequency3.4 GHz2.5 GHz
GPUMali-G720 MC8Mali-G615 MC2
AnTuTu score2,254,164—
Geekbench 6 (multi-core)6,223—
Memory
RAM12 GB8 GB
Storage (max)512 GB256 GB
Storage (base)256 GB128 GB
Storage typeUFS 3.1UFS 3.1
Memory card slotNoNo
Camera
Main camera50 MP50 MP
Main camera aperturef/1.8f/1.8
Main sensor size—1/2.93"
Rear cameras21
Optical stabilisationYesNo
Ultra-wide cameraYesNo
Telephoto cameraNoNo
Max video4K4K
4K video frame rate60 fps30 fps
Selfie camera16 MP32 MP
4K selfie videoNoYes
Battery
Battery capacity7,500 mAh7,050 mAh
Battery typeSi/CLi-Ion
Wired charging80 W44 W
Wireless chargingNoNo
Connectivity
5GYesYes
eSIMNoNo
Dual SIMYesYes
Wi-Fi standardWi-Fi 6Wi-Fi 5
Bluetooth5.45.4
NFCYesNo
USBUSB Type-C 2.0USB Type-C 2.0
USB version22
Infrared portYes—
Dual-band GPSYes—
Satellite navigationGLONASS, GALILEO, BDS, QZSS, NavICGLONASS, GALILEO, BDS, QZSS
Features
Stereo speakersYesYes
3.5 mm headphone jackNoNo
Fingerprint sensorUnder displayUnder display
SensorsFingerprint (under display, optical), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Software
OS at launchAndroid 16Android 16
PlatformAndroidAndroid
InterfaceColorOS 16OriginOS 6
Major OS updates promised—3
To compare: 0up to 4 models
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