Xiaomi Poco X3 GT vs vivo iQOO 12 - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date August 19, 2021 November 14, 2023
Release Year 2021 2023

Physical

Volume 110.31 cm³ 100.33 cm³
Screen Size to Weight Ratio 3.42 "/g 3.42 "/g
Weight 193 g 198.5 g
Height 163.3 mm 163.2 mm
Width 75.9 mm 75.9 mm
Thickness 8.9 mm 8.1 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Black
  • Red
  • White (BMW M branding)

Display

Screen Size 6.6 " 6.78 "
Resolution 1080 x 2400 1260 x 2800
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.9 % 89.6 %
Pixel Density 399 PPI 453 PPI
Refresh Rate 120 Hz 144 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A 1400 nits
Peak Brightness N/A 3000 nits

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 108.77 mAh/in²
Battery Density 45.33 mAh/cm³ 49.83 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1100 (6 nm) Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)
GPU Mali-G77 MC9 Adreno 750

Connectivity

USB Version 2.0 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 2.0 USB Type-C 2.0, OTG

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 16

Comparison Summary

Alright, let's dive deep into this comparison between the Xiaomi Poco X3 GT and the vivo iQOO 12. I've got my engineering hat on and I'm ready to translate these specs into something we can all understand and use to make a smart decision.

1. Specifications Breakdown

Here's a detailed breakdown of the key specifications, focusing on their real-world impact:

FeatureXiaomi Poco X3 GTvivo iQOO 12Real-World Implications
Design
Dimensions163.3 x 75.9 x 8.9 mm163.2 x 75.9 x 8.1 mmiQOO 12 is slightly thinner; Poco X3 GT is slightly larger in volume, though both feel similar in hand.
Weight193g198.5gThe Poco X3 GT is a bit lighter, which could be a plus for long holding periods.
FoldableStandardStandardBoth phones are standard smartphones, no foldable gimmick here.
Display
Size6.6"6.78"iQOO 12 has a slightly larger screen, offering a more immersive viewing experience.
Resolution1080 x 24001260 x 2800iQOO 12 has significantly sharper images, better for detailed viewing and text clarity.
PPI399453iQOO 12 offers a much crisper visual experience due to higher pixel density.
TechnologyIPS LCDAMOLEDThe iQOO 12's AMOLED display offers superior colors, deep blacks, and better outdoor visibility.
Refresh Rate120Hz144HziQOO 12 has slightly smoother scrolling, but in reality most will not notice the difference.
Brightness0 nits3000 nitsThe iQOO 12's display is incredibly bright, perfect for outdoor use in bright sunlight.
Performance
ChipsetMediatek Dimensity 1100 (6 nm)Qualcomm Snapdragon 8 Gen 3 (4 nm)The iQOO 12's chipset is generations ahead, offering significantly better performance in every task.
Antutu Score745,2832,020,000iQOO 12 will feel much faster, smoother, and handle games effortlessly.
GPUMali-G77 MC9Adreno 750iQOO 12's GPU offers far better graphics processing, enhancing gaming and graphics intensive application performances
Battery Life
Capacity5000 mAh5000 mAhBoth phones should have similar battery life, lasting for a full day of average use.
Charging67W Fast Charging120W Fast ChargingiQOO 12 charges considerably faster, filling the battery from 0-100% in a fraction of the time.
Battery TypeLi-PolymerLi-IoniQOO 12’s Li-Ion technology is typically faster charging and has higher energy density.
Camera
Standard Lens Resolution64MP50MPThe Poco X3 GT has a higher megapixel count, but higher megapixel count doesn't always mean better photos.
Standard Lens Aperturef/1.79f/1.69The iQOO 12 has wider aperture, good for low light and better background blur.
Standard Lens Sensor Size1/2"1/1.3"The iQOO 12's larger sensor means better light capture, good for low light.
Selfie Lens Resolution16MP16MPBoth selfie cameras are comparable, good for basic selfies and video calls.
Telephoto LensNo64MPiQOO 12 has optical zoom capabilities, allowing for better zooming without significant loss of quality
Wide Angle + MacroNo50MPiQOO 12 has a dedicated macro lens for detailed close up shots and a wide angle for expansive photos.
VideoUp to 4K@30fpsUp to 8K@30fpsiQOO 12 supports significantly higher video resolutions, allowing for professional grade video recording.
Camera FeaturesLimitedAdvanced features like tracking AF, OIS and 8k recordingiQOO 12 has better features for higher quality photos and videos.
Software
OSAndroid 11Android 14The iQOO 12 has newer software, getting access to all the latest features and performance improvements.
Connectivity
Wi-FiWi-Fi 6Wi-Fi 7iQOO 12 has the latest Wi-Fi standard, better speed, and performance.
BluetoothBluetooth 5.2Bluetooth 5.4iQOO 12's newer Bluetooth offers improved battery life, better range, faster connections.
GPSBasic GPSDual-band GPSiQOO 12 has much better location accuracy in areas where the signal can be weak.
SIMDual SIMDual SIMBoth phones support Dual SIM configurations.
Storage
Internal Storage128GB/256GB256GB/512GB/1024GBiQOO 12 has more storage configurations. Great for large game and photo libraries.
RAM8GB12GB/16GBiQOO 12 has significantly more RAM, great for heavy multitasking.
Expandable StorageNoNoNeither phone supports MicroSD cards.
Audio
Audio QualityDolby Atmos, Hi-Res, Stereo Speakers, 2 microphonesDolby Atmos, Stereo SpeakersPoco X3 GT has an edge in higher quality audio features.
Security
Security FeaturesSide-mounted fingerprint sensorBasic fingerprint sensorSide mounted fingerprint sensors tend to be more comfortable than in screen sensors.
Build Quality
Screen ProtectionGorilla Glass VictusUnknownPoco X3 GT has better screen protection from scratches and drops.
Sensors
SensorsComprehensive set, Ultrasonic proximity virtualBasic sensor setPoco X3 GT has a more comprehensive sensor set.

2. Key Insights

Xiaomi Poco X3 GT:

  • Strengths: This phone was a solid mid-range device in 2021, with a decent display (though LCD), good battery life, fast charging at the time, and a capable processor that was great for everyday tasks and even some gaming. It also features a more comprehensive sensor set and a more comfortable fingerprint scanner. It features Hi-Res audio and dual microphones, features that the iQOO 12 lacks.
  • Competitive Advantages: It's a slightly more affordable option with more secure screen protection. For users who may not need the absolute best in performance or features and instead value cost effectiveness and security, the X3 GT is a valid choice.
  • Limitations: Its IPS LCD panel, weaker performance, and older camera system are significant drawbacks compared to newer phones, especially the iQOO 12.

vivo iQOO 12:

  • Strengths: This is a performance beast, rocking the Snapdragon 8 Gen 3. It boasts a stunning AMOLED display, top-tier camera system, incredibly fast charging, a higher refresh rate, more storage, and a better GPS system. This is clearly a flagship phone.
  • Competitive Advantages: It excels in nearly every category: performance, display quality, camera capabilities, and charging speed. It also comes with newer software which gives users the latest features and security.
  • Trade-offs: The iQOO 12 lacks a side mounted fingerprint sensor and Hi-Res Audio, features that the X3 GT possesses, but that are easily overlooked. Its screen protection is unknown, which is a potential drawback compared to the more secure screen of the X3 GT.

3. User Profiles and Recommendations

Xiaomi Poco X3 GT:

  • Best Suited For: Budget-conscious users who want a reliable phone for everyday tasks, casual gaming, and basic photography. This phone is good for those who are not focused on the very best performance or graphics, instead valuing cost effectiveness.
  • Use Cases: Good for web browsing, social media, video streaming, and light gaming. This device is perfectly suited for less demanding and more casual use.
  • Price-to-Value: Offers good value for its cost, particularly for budget-minded users.

vivo iQOO 12:

  • Best Suited For: Performance enthusiasts, gamers, and anyone who wants the absolute best in a smartphone. It is good for professionals who may want the best possible camera system for work and for content creators seeking high video resolution quality.
  • Use Cases: Ideal for intensive gaming, video editing, high-resolution media consumption, and professional photography.
  • Price-to-Value: The iQOO 12 is a premium device, and its price will reflect that. It will offer the most bang for your buck to those who know how to use the high end features offered.

4. Buying Decision Framework

Here are three practical questions to help you decide:

  1. How important is top-tier performance? If you are a gamer or heavy multi-tasker, the iQOO 12 is the only logical choice.
  2. How important is display quality? If vibrant colors and high brightness are important, the AMOLED display of the iQOO 12 makes it the better pick.
  3. What is your budget? The Poco X3 GT is a significantly cheaper option, and will be suitable for lighter and more casual users.

Scenario-Based Recommendations:

  • Casual User: If you use your phone mostly for social media, browsing, and some light games, the Poco X3 GT will do the job just fine and save you a lot of money.
  • Mobile Gamer: The iQOO 12 is the clear winner here, with its high refresh rate, powerful chipset, and advanced cooling technology.
  • Photography Enthusiast: The iQOO 12 will be a much better choice due to its superior camera system with more advanced features and shooting capabilities.
  • Power User: The iQOO 12's performance, faster charging, and extra RAM are perfect for those who push their devices to their limits.

My Choice:

If I were buying today, I would choose the vivo iQOO 12 without hesitation. Despite the potential lack of screen protection, the advantages of the AMOLED display, a much better processor, superior camera system, faster charging and more storage make the iQOO 12 the obvious choice. It's like comparing a sports car to a regular sedan - both will get you where you need to go, but one does it with style and speed. As someone who appreciates top-tier performance and camera capabilities, the iQOO 12 fits my needs perfectly. The cost is justified by the sheer amount of tech this phone packs under the hood. For the casual user, the X3 GT is a good choice, but it cannot compare to the iQOO 12 in terms of performance, features, and overall user experience.

Alex Griffin
Alex Griffin

Technology analyst specializing in mobile devices and consumer electronics.

Core Expertise

  • Mobile technology analysis
  • Consumer electronics evaluation
  • Technical specification interpretation
  • User experience insights

Professional Mission Empowering readers to make informed technology decisions by transforming intricate specifications into understandable, practical guidance.

Demystifying technology, one device at a time.