Home/Battles/Xiaomi 12X vs OnePlus Ace 6 Ultra 5G

Lab Benchmark Battle

Xiaomi 12X vs OnePlus Ace 6 Ultra 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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Xiaomi · 2021

Xiaomi 12X

87/ 100

Launch MSRP$599 USD

OnePlus

OnePlus Ace 6 Ultra 5G

87/ 100

Launch MSRPPricing on request

WHO WINS WHERE

WHY IS OnePlus Ace 6 Ultra 5G BETTER THAN Xiaomi 12X?

Tap an area on the radar to inspect category hardware facts

Xiaomi 12X

OnePlus Ace 6 Ultra 5GWinner 🏆

BIGGEST HARDWARE DIFFERENCES

Margin Delta

SPEC FACTOR	Xiaomi 12X	OnePlus Ace	LEADER
Refresh Rate	120Hz	120Hz	120Hz
Battery Capacity	4,500 mAh	8,600 mAh	+8,600 mAh
Wired Fast Charging	67W	Standard	67W Max
Main Camera Sensor	50 MP	50 MP	50 MP
Screen Display Size	6.28"	6.78"	6.78"
Chassis Weight	176g	N/A	176g Lightest

Compare All 177+ Specifications Below↓

Which Phone Should You Buy: Key Reasons & Hardware Advantages

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Reasons to buy Xiaomi 12X:

✓823g lighter chassis (176g) optimized for one-handed ergonomics
✓$9400 lower launch MSRP ($599 vs $9999)
✓50MP primary camera sensor with 4K/120fps video recording

Reasons to buy OnePlus Ace 6 Ultra 5G:

✓Larger 8,600 mAh battery capacity (+4,100 mAh more capacity)
✓50MP primary camera sensor with 4K/120fps video recording
✓6.78" display with 120Hz ProMotion refresh rate

How Do the Specifications Compare Side-by-Side?

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Specification	Xiaomi 12X	OnePlus Ace 6 Ultra 5G
1. Display & Screen🏆 OnePlus Ace 6 Ultra 5G Wins Display
Screen Type & Tech	AMOLED	AMOLED
Screen Size	6.28"	6.78"
Resolution & Density	2400x1080 (419 ppi)	FHD+ / LTPO AMOLED
Refresh Rate	120 Hz ProMotion	120 Hz ProMotion
Brightness	1,100 nits peak	N/A
Screen Protection	Scratch-resistant glass	Scratch-resistant glass
2. Platform & Performance🏆 Xiaomi 12X Wins Performance
Chipset / Processor	High performance SoC	Dimensity 9500
CPU Cores	Multi-core high performance	Multi-core high performance
GPU Graphics	Integrated Graphics	Integrated Graphics
Operating System	Android 12	Android
3. Memory & Storage
RAM Memory	12 GB LPDDR	16 GB LPDDR
Internal Storage	128GB / 256GB	1024 GB
Storage Speed	High-speed flash	High-speed flash
Card Slot	No	No
4. Main Camera Optics🏆 Xiaomi 12X Wins Camera
Primary Camera	50 MP, f/1.88, OIS, Sony IMX766	50 MP, Triple Camera System
Telephoto Zoom	5 MP (2x optical zoom), f/2.4	None (Digital zoom only)
Ultrawide Camera	13 MP, f/2.4	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	32 MP, f/2.45	12 MP
7. Body & Dimensions🏆 Xiaomi 12X Lightest Chassis
Dimensions	152.7 x 69.9 x 8.16 mm	N/A
Weight	176 g	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	IP53	Not certified
8. Battery & Charging🏆 OnePlus Ace 6 Ultra 5G Wins Battery
Battery Capacity	4,500 mAh	8,600 mAh
Wired Fast Charging	67W wired 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 6E	Wi-Fi 7 / 6E tri-band
Bluetooth	5.2	Bluetooth 5.3+
USB Port & Speed	USB-C 2.0	USB Type-C
NFC	Yes (contactless payment)	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	$599	Price on request

Editorial Lab Verdict

OnePlus Ace 6 Ultra 5G edges ahead with a BeastScore of 86.6/100

After comprehensive hardware benchmark comparisons, OnePlus Ace 6 Ultra 5G ranks as the overall top pick in this matchup. Key differentiators include its Dimensity 9500 architecture and verified 80/100 camera rating.

When to buy Xiaomi 12X:

Significantly faster wired charging: 67W vs max 0W · Dedicated optical telephoto zoom (1 lens system)

When to buy OnePlus Ace 6 Ultra 5G:

Higher overall BeastScore: 86.6 vs top rival 86.5 · Larger battery capacity: 8,600 mAh (+4,100 mAh more)

Quick Answers

Frequently Asked Questions: Xiaomi 12X vs OnePlus Ace 6 Ultra 5G

Which phone is better: Xiaomi 12X or OnePlus Ace 6 Ultra 5G?

OnePlus Ace 6 Ultra 5G leads with an overall BeastScore of 86.6/100 compared to Xiaomi 12X (86.5/100), driven by advantages in Higher overall BeastScore: 86.6 vs top rival 86.5 and Larger battery capacity: 8,600 mAh (+4,100 mAh more).

What are the primary battery and display differences between Xiaomi 12X and OnePlus Ace 6 Ultra 5G?

Xiaomi 12X is equipped with a 6.28-inch display and 4500 mAh battery, while OnePlus Ace 6 Ultra 5G features a 6.78-inch display and 8600 mAh battery.

How do the camera capabilities compare between Xiaomi 12X and OnePlus Ace 6 Ultra 5G?

In lab hardware evaluations, Xiaomi 12X scores 91/100 in camera performance, while OnePlus Ace 6 Ultra 5G scores 80/100.

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Xiaomi 12X vs OnePlus Ace 6 Ultra 5G

Xiaomi 12X

OnePlus Ace 6 Ultra 5G

WHY IS OnePlus Ace 6 Ultra 5G BETTER THAN Xiaomi 12X?

BIGGEST HARDWARE DIFFERENCES

Which Phone Should You Buy: Key Reasons & Hardware Advantages

How Do the Specifications Compare Side-by-Side?

OnePlus Ace 6 Ultra 5G edges ahead with a BeastScore of 86.6/100

Frequently Asked Questions: Xiaomi 12X vs OnePlus Ace 6 Ultra 5G

Which phone is better: Xiaomi 12X or OnePlus Ace 6 Ultra 5G?

What are the primary battery and display differences between Xiaomi 12X and OnePlus Ace 6 Ultra 5G?

How do the camera capabilities compare between Xiaomi 12X and OnePlus Ace 6 Ultra 5G?

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