Xiaomi 12 vs OnePlus Ace 6T

65 out 100

VS

92 out 100

Compared 2 smartphones : Xiaomi 12 Manufactured in December, 2021, with display 6.28 with chipsetQualcomm Snapdragon 8 Gen 1, vs OnePlus Ace 6T, Manufactured in December, 2025 with chipsetQualcomm Snapdragon 8 Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages

Reasons to choose Xiaomi 12

Lighter design: 180g vs 211g
Supports Dolby Atmos

Reasons to choose OnePlus Ace 6T

Larger display: 6.83in
Higher pixel density: 450ppi
Higher refresh rate: 165Hz
Higher battery capacity: 8300mAh vs 4500mAh
Newer Bluetooth version: 6.0 vs 5.2

Versions

Available versions and configurations

Memory Options

- 8/128 GB
- 8/256 GB
- 12/256 GB

- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi 12 and OnePlus Ace 6T

Display

Color accuracy, sharpness & brightness

Xiaomi 12

77

OnePlus Ace 6T

94

Camera

Main & front camera tests

Xiaomi 12

64

OnePlus Ace 6T

83

Performance

App & system performance

Xiaomi 12

64

OnePlus Ace 6T

98

Games

3D gaming performance

Xiaomi 12

58

OnePlus Ace 6T

97

Battery

Battery life, charging speed & type

Xiaomi 12

58

OnePlus Ace 6T

100

Connectivity

Connectivity features

Xiaomi 12

78

OnePlus Ace 6T

85

NanoReview Score

Overall score by NanoReview

Xiaomi 12

65

OnePlus Ace 6T

92

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Function

Importance (Weight)

Display:

Camera:

Performance:

Gaming:

Battery:

Connectivity:

Higher weight means greater impact on NanoReview score.

Display

Display quality comparison

Type	AMOLED	AMOLED
Size	6.28 in	6.83 in
Resolution	1080x2400 pixels	1272x2800 pixels
Aspect ratio	20:9	19.5:9
Pixel density	419 ppi	450 ppi
Refresh rate	120 Hz	165 Hz
Adaptive refresh rate	Yes (60-120 Hz)	Yes (60-120 Hz)
Max brightness	500 nits	1800 nits
HDR support	Yes HDR10+	Yes, Dolby Vision
Touch Sampling Rate	480 Hz	300 Hz
Screen-to-body ratio	89.3 %	91 %
Features	- DCI-P3 - Always-On Display - DC dimming	- DCI-P3 - Always-On Display - DC dimming

Peak brightness (auto)

Xiaomi 12

887 nits

OnePlus Ace 6T

n/a

Design & Build

Design and ergonomics comparison

Height	152.7 mm (6.01 in)	163.41 mm (6.43 in)
Width	69.9 mm (2.75 in)	77.04 mm (3.03 in)
Thickness	8.16 mm (0.32 in)	8.1 mm (0.32 in)
Weight	180 g (6.35 oz)	211 g (7.44 oz)
Water resistance	No	IP69
Cooling system	n/a	Vapor chamber
Back panel	Glass	Glass
Frame	Metal	Metal
Colors	- Black - Blue - Pink	- Black - Green - Purple
Fingerprint sensor	Yes In-Display	Yes, In-Display

Screen-to-body ratio

Xiaomi 12

89.3 %

OnePlus Ace 6T

91 %

Performance

Testing Xiaomi 12 and OnePlus Ace 6T In benchmarks

Chipset	Qualcomm Snapdragon 8 Gen 1	Qualcomm Snapdragon 8 Gen 5
Max Frequency	3000 MHz	3840 MHz
CPU Cores	8 (1 + 3 + 4)	8 (2 + 6)
Architecture	- 4/1.8 (Cortex-A510) - 3/2.5 (Cortex-A710) - 1/3 (Cortex-X2)	6/3.32 ()
Process	Samsung	TSMC
Transistor Size	4 nm	3 nm
Neural Processor	Hexagon	Hexagon
Graphics	Adreno 730	Adreno 829
GPU Cores	1024	1024
GPU Frequency	818 MHz	1200 MHz
FLOPS	1675.3 GFLOPS	2457.6 GFLOPS

Geekbench 6 (Single-Core)

Xiaomi 12

1702

OnePlus Ace 6T

2923

Geekbench 6 (Multi-Core)

Xiaomi 12

3977

OnePlus Ace 6T

10007

Geekbench 6 (Single-Core)	1702	2923
Geekbench 6 (Multi-Core)	3977	10007
Geekbench Compute (GPU)	n/a	21256

Sources: Geekbench v6 [Xiaomi 12], [OnePlus Ace 6T]

AnTuTu 10

Xiaomi 12

1187033

OnePlus Ace 6T

3561559

CPU	308025	1061167
GPU	439066	1160801
Memory	237645	538316
UX	212297	801275
NanoReview Score	1187033	3561559

3DMark Wild Life

Xiaomi 12

8751

OnePlus Ace 6T

n/a

Stability	60 %	n/a
Graphics Test	52 fps	n/a
Graphics Score	8751	n/a

Sources: 3DMark [Xiaomi 12]

PCMark 3.0

Xiaomi 12

12987

OnePlus Ace 6T

n/a

Writing score	14840	n/a
Web score	11534	n/a
Video editing	7452	n/a
Data manipulation	9643	n/a
NanoReview Score	12987	n/a

Memory

RAM Size	- 8 GB - 12 GB	12 GB
Memory Type	LPDDR5	LPDDR5X
Memory Frequency	3200 MHz	5300 MHz
Channels	4	4

Storage Capacity	- 128 GB - 256 GB	256 GB
Storage Type	UFS 3.1	UFS 4.1
Memory Card	No	No

Software

OS	Android 12 (Upgradeable to Android 14)	Android 16
UI Skin	HyperOS 1.0	ColorOS 16

Battery

Volume	4500 mAh	8300 mAh
Max Charging Power	67 W	100 W
Battery Type	Li-Po	Silicon Carbon (Si/C)
Removable	No	No
Wireless Charging	Yes (50 W)	No
Reverse Charging	Yes (Wireless)	Yes
Fast Charging	Yes (87% in 30 min)	Yes (58% in 23 min)
Full Charge Time	0:46 h	n/a

Battery Life

Xiaomi 12

15:58

OnePlus Ace 6T

n/a

Web Browsing	06:17 h	n/a
Video Playback	10:46 h	n/a
Games	04:42 h	n/a
Standby Mode	71 h	n/a

Main camera

Matrix	50 MP	50 MP
Photo resolution	8192x6144 pixels	8192x6144 pixels
Zoom	Digital	Digital
Flash	Dual LED	Dual LED
Stabilization	Optical	Optical
8K Recording	Up to 24FPS	No
4K Recording	Yes (Up to 60 fps)	Yes (Up to 120 fps)
1080p Recording	Yes (Up to 60 fps)	Yes (Up to 60 fps)
Slow Motion	1920 fps (720p)	240 fps (1080p)
Wide-angle lens	123 °	112 °
Lenses count	Standard: 50 MP Ultra-wide: 13 MP Macro: 5 MP	Standard: 50 MP Ultra-wide: 8 MP
Features	- Bokeh effect - Pro mode - RAW support	- Bokeh effect - Pro mode - RAW support

Matrix	50 MP	50 MP
Aperture	f/1.9	f/1.8
Focal length	26 mm	24 mm
Sensor	Sony IMX766	Sony IMX906
Sensor size	1/1.56	1/1.56 (0.64)
Pixel size	1 μm	1 μm
Autofocus	Phase autofocus (Dual Pixel)	Phase autofocus
Stabilization	Optical	Optical

Matrix	13 MP	8 MP
Aperture	f/2.4	f/2.2
Focal length	12 mm	16 mm
Sensor	OmniVision OV13B10	Omnivision OV08D10
Sensor size	1/3.06	1/4.0 (0.25)
Pixel size	1.12 μm	1.12 μm
Stabilization	Digital	Digital

Photo quality

Xiaomi 12

118

OnePlus Ace 6T

n/a

Video quality

Xiaomi 12

121

OnePlus Ace 6T

n/a

Overall camera score

Xiaomi 12

113

OnePlus Ace 6T

n/a

Bokeh	55	n/a
Preview	69	n/a
Zoom	72	n/a

Sources: DxOMark [Xiaomi 12]

Front camera

Matrix	32 MP	16 MP
Photo resolution	6528x4896 pixels	4608x3456 pixels
Aperture	f/2.4	f/2.4
Focal length	26 mm	23 mm
Sensor	OmniVision OV32B40	Sony IMX480
Sensor size	n/a	1/3.09 (0.32)
Pixel size	0.7 μm	1 μm
Autofocus	No	No
Stabilization	Digital	Digital
Video resolution	1080p (Full HD) at 60 fps	1080p (Full HD) at 30 fps
TOF 3D sensor	No	No

Connectivity

Wi-Fi version	Wi-Fi 6E (802.11 a/b/g/n/ac/ax)	Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display	- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display
Bluetooth version	5.2	6.0
Bluetooth features	LE	LE
USB type	USB Type-C	USB Type-C
USB version	2	2
USB features	- Charging - USB Storage Mode - OTG	- Charging - USB Storage Mode - OTG
GPS	- GPS - GLONASS - Beidou - Galileo - NAVIC	- GPS - GLONASS - Beidou - Galileo - QZSS
NFC*	Yes	Yes
Infrared Port	Yes	Yes

SIM Count*	2	2
SIM Type	Nano	Nano
SIM Mode	Dual SIM Standby	Dual SIM Standby
eSIM Support *	No	No
Hybrid Slot	No	No
2G Bands	GSM 850 900 1800 1900 MHz	GSM 850/900/1800MHz
3G Bands	WCDMA B1/2/4/5/6/8/19	WCDMA 1/4/5/6/8/19
LTE Bands*	LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B66)	LTE (B1/B3/B4/B5/B8/B18/B19/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
LTE category	20	n/a
5G Support	Yes	Yes

Sound

Speakers	Stereo	n/a
3.5 mm Jack	No	No
FM Radio	No	No
Dolby Atmos	Yes	No

Other

Class	Flagship	Flagship
Announced	December, 2021 yr	December, 2025 yr
Release Date	December, 2021 yr	December, 2025 yr
Launch Price ($)	580	n/a
MSRP ($)	n/a	350
Sensors	- Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor	- Proximity Sensor - Gyroscope - Accelerometer - Ambient Light Sensor - Compass - Fingerprint sensor
Charger Included	Yes 67 W	Yes, 100 W

Results

After analyzing the data, we consider OnePlus Ace 6T the clear winner in this comparison.

Survey

Which smartphone would you pick?

Xiaomi 12

0 (0%)

OnePlus Ace 6T

0 (0%)

Total Votes: 0

Xiaomi 12 vs OnePlus Ace 6T

Key Differences

Versions

Review

Tests & specs

Display

Design & Build

Performance

Memory

Software

Battery

Main camera

Front camera

Connectivity

Sound

Other

Results

Survey

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