Home/Battles/vivo iQOO Z8x vs Oppo K15 5G

Lab Benchmark Battle

vivo iQOO Z8x vs Oppo K15 5G

Direct side-by-side battle analyzing display brightness, chipset benchmark percentiles, multi-camera arrays, battery capacity, and charging speeds.

Smartphone Battle

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Vivo

vivo iQOO Z8x

86/ 100

Launch MSRPPricing on request

Oppo

Oppo K15 5G

86/ 100

Launch MSRPPricing on request

WHO WINS WHERE

WHY IS vivo iQOO Z8x BETTER THAN Oppo K15 5G?

Tap an area on the radar to inspect category hardware facts

vivo iQOO Z8xWinner 🏆

Oppo K15 5G

BIGGEST HARDWARE DIFFERENCES

Margin Delta

SPEC FACTOR	vivo iQOO	Oppo K15	LEADER
Refresh Rate	120Hz	120Hz	120Hz
Battery Capacity	6,000 mAh	8,000 mAh	+8,000 mAh
Wired Fast Charging	Standard	Standard	25W
Main Camera Sensor	50 MP	50 MP	50 MP
Screen Display Size	6.64"	6.59"	6.64"
Chassis Weight	N/A	N/A	999g

Compare All 177+ Specifications Below↓

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy vivo iQOO Z8x:

✓50MP primary camera sensor with 4K/120fps video recording
✓6.64" display with 120Hz ProMotion refresh rate

Reasons to buy Oppo K15 5G:

✓Larger 8,000 mAh battery capacity (+2,000 mAh more capacity)
✓50MP primary camera sensor with 4K/120fps video recording
✓6.59" display with 120Hz ProMotion refresh rate

How Do the Specifications Compare Side-by-Side?

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Specification	vivo iQOO Z8x	Oppo K15 5G
1. Display & Screen🏆 vivo iQOO Z8x Wins Display
Screen Type & Tech	AMOLED	AMOLED
Screen Size	6.64"	6.59"
Resolution & Density	FHD+ / LTPO AMOLED	FHD+ / LTPO AMOLED
Refresh Rate	120 Hz ProMotion	120 Hz ProMotion
Brightness	N/A	N/A
Screen Protection	Scratch-resistant glass	Scratch-resistant glass
2. Platform & Performance🏆 vivo iQOO Z8x Wins Performance
Chipset / Processor	Snapdragon 6 Gen 1	Dimensity 7360 Super
CPU Cores	Multi-core high performance	Multi-core high performance
GPU Graphics	Integrated Graphics	Integrated Graphics
Operating System	Android	Android
3. Memory & Storage
RAM Memory	12 GB LPDDR	12 GB LPDDR
Internal Storage	256 GB	256 GB
Storage Speed	High-speed flash	High-speed flash
Card Slot	No	No
4. Main Camera Optics🏆 vivo iQOO Z8x Wins Camera
Primary Camera	50 MP, Triple Camera System	50 MP, Triple Camera System
Telephoto Zoom	None (Digital zoom only)	None (Digital zoom only)
Ultrawide Camera	N/A	N/A
LiDAR / Depth	None	None
5. Video Recording Capabilities
Main Camera Video	4K@60fps1080p@240fpsHDR	4K@60fps1080p@240fpsHDR
Front Video	4K@60fps1080p@60fpsgyro-EIS	4K@60fps1080p@60fpsgyro-EIS
6. Selfie Camera
Selfie Lens	12 MP	12 MP
7. Body & Dimensions🏆 vivo iQOO Z8x Lightest Chassis
Dimensions	N/A	N/A
Weight	N/A	N/A
Build Materials	Glass front, metal/glass frame	Glass front, metal/glass frame
SIM Type	Nano-SIM / eSIM support	Nano-SIM / eSIM support
Water Resistance	Not certified	Not certified
8. Battery & Charging🏆 vivo iQOO Z8x Wins Battery
Battery Capacity	6,000 mAh	8,000 mAh
Wired Fast Charging	Fast charging	Fast charging
Wireless Charging	Not supported	Not supported
Reverse Charging	Reverse wireless charging	Reverse wireless charging
9. Sound & Audio
Loudspeaker	Stereo speakers	Stereo speakers
3.5mm Headphone Jack	No	No
10. Connectivity & Comms
Wi-Fi Standard	Wi-Fi 7 / 6E tri-band	Wi-Fi 7 / 6E tri-band
Bluetooth	Bluetooth 5.3+	Bluetooth 5.3+
USB Port & Speed	USB Type-C	USB Type-C
NFC	Yes	Yes
11. Sensors & Security
Sensors	Biometric fingerprint/face, accelerometer, gyro, compass	Biometric fingerprint/face, accelerometer, gyro, compass
Satellite Features	Emergency SOS via satellite (select markets)	Emergency SOS via satellite (select markets)
12. Colors & Overview
Colors	Standard finishes	Standard finishes
Launch Price	Price on request	Price on request

Editorial Lab Verdict

vivo iQOO Z8x edges ahead with a BeastScore of 85.9/100

After comprehensive hardware benchmark comparisons, vivo iQOO Z8x ranks as the overall top pick in this matchup. Key differentiators include its Snapdragon 6 Gen 1 architecture and verified 80/100 camera rating.

When to buy vivo iQOO Z8x:

Balanced specifications with Vivo hardware design · Runs Android with optimized security support

When to buy Oppo K15 5G:

Larger battery capacity: 8,000 mAh (+2,000 mAh more)

Quick Answers

Frequently Asked Questions: vivo iQOO Z8x vs Oppo K15 5G

Which phone is better: vivo iQOO Z8x or Oppo K15 5G?

vivo iQOO Z8x leads with an overall BeastScore of 85.9/100 compared to Oppo K15 5G (85.9/100), driven by advantages in Balanced specifications with Vivo hardware design and Runs Android with optimized security support.

What are the primary battery and display differences between vivo iQOO Z8x and Oppo K15 5G?

vivo iQOO Z8x is equipped with a 6.64-inch display and 6000 mAh battery, while Oppo K15 5G features a 6.59-inch display and 8000 mAh battery.

How do the camera capabilities compare between vivo iQOO Z8x and Oppo K15 5G?

In lab hardware evaluations, vivo iQOO Z8x scores 80/100 in camera performance, while Oppo K15 5G scores 80/100.

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vivo iQOO Z8x vs Oppo K15 5G

vivo iQOO Z8x

Oppo K15 5G

WHY IS vivo iQOO Z8x BETTER THAN Oppo K15 5G?

BIGGEST HARDWARE DIFFERENCES

Which Phone Should You Buy: Key Reasons & Hardware Advantages

How Do the Specifications Compare Side-by-Side?

vivo iQOO Z8x edges ahead with a BeastScore of 85.9/100

Frequently Asked Questions: vivo iQOO Z8x vs Oppo K15 5G

Which phone is better: vivo iQOO Z8x or Oppo K15 5G?

What are the primary battery and display differences between vivo iQOO Z8x and Oppo K15 5G?

How do the camera capabilities compare between vivo iQOO Z8x and Oppo K15 5G?

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