Home > Smartphone comparison > Xiaomi 14 vs iQOO 12 – which one to choose?

Xiaomi 14 vs Vivo iQOO 12

78 out of 100
Xiaomi 14
VS
74 out of 100
Vivo iQOO 12
Xiaomi 14
Vivo iQOO 12

Here we compared two flagship smartphones: the 6.36-inch Xiaomi 14 (with Qualcomm Snapdragon 8 Gen 3) that was released on October 26, 2023, against the Vivo iQOO 12, which is powered by the same chip and came out 1 month after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi 14
  • Shows 14% longer battery life (25:30 vs 22:20 hours)
  • Handles wireless charging up to 50W
  • The rear camera has a 3.2x optical zoom
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 1920FPS
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology
Reasons to consider the Vivo iQOO 12
  • Higher display refresh rate – 144 Hz
  • Has 50% more RAM: 12GB versus 8GB
  • Has a 0.42 inch larger screen size
  • Supports higher wattage charging (120W versus 90W)
  • Delivers 21% higher peak brightness (1426 against 1183 nits)

Review

Evaluation of Xiaomi 14 and Vivo iQOO 12 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
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Value for money (Beta)

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Currency
8 / 256 GB
VS
12 / 256 GB
35.1
(Mediocre)
Value Index
51.2
(Average)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Xiaomi 14
vs
iQOO 12

Display

Type AMOLED AMOLED
Size 6.36 inches 6.78 inches
Resolution 1200 x 2670 pixels 1260 x 2800 pixels
Aspect ratio 20:9 20:9
PPI 460 ppi 453 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (10-120 Hz) Yes
Max rated brightness 1000 nits 3000 nits
Max rated brightness in HDR 3000 nits -
HDR support Yes, Dolby Vision Yes, HDR10+
Touch sampling rate 240 Hz -
Screen protection Gorilla Glass Victus Tempered glass
Screen-to-body ratio 89.4% 89.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 99.6% -
PWM 429 Hz -
Response time 1 ms -
Contrast ∞ Infinity -
Screen space comparison
iQOO 12
6.78″ (20:9 ratio) = 17.2 in2
Xiaomi 14
6.36″ (20:9 ratio) = 15.1 in2
~13% more screen space
Peak brightness test (auto)
Xiaomi 14
1183 nits
iQOO 12 +21%
1426 nits
Sources: NotebookCheck [3]

Design and build

Height 152.8 mm (6.02 inches) 163.22 mm (6.43 inches)
Width 71.5 mm (2.81 inches) 75.8 mm (2.98 inches)
Thickness 8.2 mm (0.32 inches) 8.1 mm (0.32 inches)
Weight 193 g (6.81 oz) 198.5 g (7 oz)
Waterproof IP68 IP64
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Green, Pink White, Black, Red
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
Xiaomi 14
89.4%
iQOO 12
89.7%

Performance

Chipset specifications of Xiaomi 14 and Vivo iQOO 12
SoC
Chipset Qualcomm Snapdragon 8 Gen 3 Qualcomm Snapdragon 8 Gen 3
Max clock 3300 MHz 3300 MHz
CPU cores 8 (1 + 3 + 2 + 2) 8 (1 + 3 + 2 + 2)
Architecture - 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4		 - 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4
L3 cache 12 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 4 nanometers 4 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 750 Adreno 750
GPU shading units 1536 1536
GPU clock 903-1000 MHz 903-1000 MHz
FLOPS ~2774 GFLOPS ~2774 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi 14 and Vivo iQOO 12
Geekbench 6 (Single-Core)
Xiaomi 14 +1%
2206
iQOO 12
2177
Geekbench 6 (Multi-Core)
Xiaomi 14
6701
iQOO 12
6672
Compute Score (GPU)
Xiaomi 14
15039
iQOO 12 +8%
16186
Compute Score (GPU) 15039 16186
Single-core score 2206 2177
Multi-core score 6701 6672
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Xiaomi 14 +1%
2363726
iQOO 12
2333285
CPU 735611 643259
GPU 746981 818824
Memory 344459 348314
UX 536675 522888
Total score 2363726 2333285
Samples [27 tests] [9 tests]
3DMark Steel Nomad Light
Xiaomi 14
1511
iQOO 12 +12%
1698
Stability 83% 93%
Graphics test 11 FPS 13 FPS
Graphics score 1511 1698
3DMark Solar Bay
Xiaomi 14
7582
iQOO 12 +13%
8555
Stability 80% 81%
Graphics test 29 FPS 33 FPS
Section 1 32 FPS 36 FPS
Section 2 29 FPS 33 FPS
Section 3 25 FPS 28 FPS
Graphics score 7582 8555
3DMark Wild Life Extreme
Xiaomi 14
4551
iQOO 12 +8%
4912
Stability 87% 80%
Graphics test 27 FPS 29 FPS
Graphics score 4551 4912
Sources: 3DMark [5], [6]
PCMark 3.0
Xiaomi 14 +9%
15662
iQOO 12
14359
Web score 15681 11029
Video editing 7814 6533
Photo editing 31599 32389
Data manipulation 14650 11964
Writing score 17307 20920
AnTuTu 11 Ranking List (177th and 187th place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi 14
DateBenchmarkResult
📘 2026-09-25 (gertjan28)AnTuTu 112286235
📘 2026-09-24 (neko_rhythm)AnTuTu 112406819
📘 2026-08-21 (Yanu Ptr)AnTuTu 112357325
📘 2026-07-17 (Anonymous)AnTuTu 112450173
📘 2026-05-24 (Fes4ik)AnTuTu 111918734
Add View all (36)
Vivo iQOO 12
DateBenchmarkResult
📘 2026-09-21 (AMIT RAKESH)AnTuTu 122529668
📘 2026-08-29 (Դավիթ)AnTuTu 112342743
📘 2026-08-18 -> vadyamkaAnTuTu 112090139
📘 2026-07-11 (Gojo Satoru)AnTuTu 112358558
📘 2026-06-21 (Armaan)AnTuTu 112398289
Add View all (15)

Memory

RAM
RAM size 8 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 4200 MHz -
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 UFS 4.0
Memory card No No

Software

Operating system Android 14 (Can be upgraded to Android 16) Android 14 (Can be upgraded to Android 16)
ROM HyperOS 3 OriginOS 6
OS size 28 GB -
OS updates 4 years -
Security updates 5 years -

Battery

Capacity 4610 mAh 5000 mAh
Max charge power 90 W 120 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging Yes (50 W) No
Reverse charging Yes, (wireless) Yes
Bypass charging No -
Fast charging Yes (58% in 15 min) Yes (85% in 15 min)
Full charging time 0:35 hr 0:20 hr
Battery life tests
Web browsing 10:59 hr 08:42 hr
Watching video 17:04 hr 15:33 hr
Gaming 05:15 hr 05:56 hr
Standby 111 hr 98 hr
General battery life
Xiaomi 14 +14%
25:30 hr
iQOO 12
22:20 hr
Add your battery life

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Optical, 3.2x Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 30FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 1920 FPS (720p) 960 FPS (1080p)
Angle of widest lens 115° 119°
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
1) Standard: 50 MP
2) Telephoto: 64 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.6 f/1.7
Focal length 23 mm 23 mm
Sensor OmniVision OVX9000 Light Fusion 900 Omnivision OV50H
Sensor size 1/1.31" (≈ 0.76 inch) 1/1.3" (≈ 0.77 inch)
Pixel size 1.2 micron 1.2 micron
Autofocus Laser autofocus Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 64 MP
Aperture f/2.0 f/2.6
Focal length 75 mm 70 mm
Sensor Samsung S5KJN1 Omnivision OV64B
Sensor size 1/2.76" (≈ 0.36 inch) 1/2.0" (≈ 0.5 inch)
Pixel size 0.64 micron 0.7 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/2.2 f/2.0
Focal length 14 mm 15 mm
Sensor Samsung S5KJN1 Samsung S5KJN1
Sensor size 1/2.76" (≈ 0.36 inch) 1/2.76" (≈ 0.36 inch)
Pixel size 0.64 micron 0.64 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Xiaomi 14
137
iQOO 12
n/a
Video quality
Xiaomi 14
138
iQOO 12
n/a
Generic main camera score
Xiaomi 14
138
iQOO 12
n/a
Bokeh 55 -
Preview 73 -
Zoom 134 -
Samples Photo samples of Xiaomi 14 from DxOMark -

Selfie camera

Megapixels 32 megapixels 16 megapixels
Image resolution 6528 x 4896 4608 x 3456
Aperture f/2.0 f/2.5
Focal length 22 mm -
Sensor Omnivision OV32B Samsung S5K3P9
Sensor size 1/3" (≈ 0.33 inch) 1/3.1" (≈ 0.32 inch)
Pixel size 0.7 micron 1 micron
Autofocus Phase autofocus No
Stabilization Digital No
Video resolution 2160p (4K) at 60 FPS 1080p (Full HD) at 30 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 5.4 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort Yes, DP 1.2 -
GPS GPS, GLONASS, Beidou, Galileo, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode - Standby
eSIM support* Yes No
Hybrid slot No No
LTE Cat* 20 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes -
Speakers test
Max loudness
Xiaomi 14
92.6 dB
iQOO 12
n/a

Other

Category Flagship Flagship
Announced October 2023 November 2023
Release date November 2023 November 2023
Launch price (MSRP) $999 $625
Successor - Xiaomi 17 - Vivo iQOO 15
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 90 W Yes, 120 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, battery life, connectivity, software, and sound are more important to you, then choose the Xiaomi 14. But if the gaming is more of a priority – go for the Vivo iQOO 12.

Cast your vote

So, which phone would you choose?
248 (61.7%)
154 (38.3%)
Total votes: 402

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