Xiaomi Poco X3 GT vs Realme C55 - Detailed Phone Comparison

Detailed Comparison

Specification
Realme C55
Realme C55
Realme

General

Launch Date August 19, 2021 March 8, 2023
Release Year 2021 2023

Physical

Volume 110.31 cm³ 99.3 cm³
Screen Size to Weight Ratio 3.42 "/g 3.55 "/g
Weight 193 g 189.5 g
Height 163.3 mm 165.6 mm
Width 75.9 mm 75.9 mm
Thickness 8.9 mm 7.9 mm
Foldable Design No No
Available Colors
  • Cloud White
  • Stargaze Black
  • Wave Blue
  • Sun Shower
  • Rainy Night
  • Rainforest

Display

Screen Size 6.6 " 6.72 "
Resolution 1080 x 2400 1080 x 2400
Aspect Ratio 20:9 20:9
Screen-to-Body Ratio 84.9 % 86.7 %
Pixel Density 399 PPI 392 PPI
Refresh Rate 120 Hz 90 Hz
Typical Brightness 450 nits N/A
HBM Brightness N/A N/A
Peak Brightness N/A 680 nits

Hardware

Battery Capacity per Screen Area 114.78 mAh/in² 110.72 mAh/in²
Battery Density 45.33 mAh/cm³ 50.35 mAh/cm³
Battery Capacity 5000 mAh 5000 mAh
NFC Support Yes Yes
Chipset Mediatek Dimensity 1100 (6 nm) Mediatek MT6769H Helio G88 (12 nm)
CPU Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G77 MC9 Mali-G52 MC2

Connectivity

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

Software

Operating System Android Android
Initial OS Version 11 13
Maximum OS Version

Comparison Summary

Alright, let’s dive into a head-to-head comparison of the Xiaomi Poco X3 GT and the Realme C55. It's always interesting to see how different manufacturers approach similar price points, and these two phones offer some distinct choices for consumers. We'll cut through the spec jargon and focus on what actually matters in your daily usage.

1. Specifications Breakdown

Here’s a breakdown of the key specs, focusing on how they translate into real-world performance:

FeatureXiaomi Poco X3 GTRealme C55Real-World Implications
Design
Dimensions163.3 × 75.9 × 8.9 mm165.6 × 75.9 × 7.9 mmC55 is taller and thinner, Poco X3 GT is a bit bulkier, might affect handling and pocketability.
Weight193g189.5gMinimal weight difference, both feel similar in hand.
Build Quality (Screen)Corning Gorilla Glass VictusUnknownPoco X3 GT offers much better screen protection against scratches and drops, which could be a deciding factor for some users.
Display
Size6.6"6.72"C55 offers slightly larger screen, for more immersive media consumption or gaming
Resolution1080x24001080x2400Identical sharpness levels.
Pixel Density399 PPI392 PPIVery similar; not really discernible in daily use.
TechnologyIPS LCDIPS LCDSame display technology, good color and viewing angles, but no vibrant OLED panels
Refresh Rate120Hz90HzPoco X3 GT feels smoother when scrolling and playing games, a more premium experience.
Brightness0 nits680 nitsC55 has better outdoor visibility in direct sunlight, a critical advantage if you're using the phone often on-the-go. The Poco X3 GT has no brightness spec available, which is concerning.
Performance
ChipsetMediatek Dimensity 1100 (6 nm)Mediatek Helio G88 (12 nm)Poco X3 GT’s chipset is much more powerful, for faster app loading, smoother multitasking, and higher graphics performance. The C55 is adequate but not a performance champ.
AnTuTu Score745,283245,800Massive performance gap; Poco X3 GT is significantly faster, suitable for gaming and heavy tasks.
GPUMali-G77 MC9Mali-G52 MC2Poco X3 GT offers significantly better graphics for gaming and graphical tasks due to its superior GPU.
Camera
Standard Camera64MP f/1.79, 1/2" sensor, 0.7µm64MP, 1/2" sensor, 0.7µmSimilar main sensors, should produce comparable image quality in good lighting conditions.
Selfie Camera16MP f/2.458MP f/2.0Poco X3 GT takes higher-resolution selfies, however, the C55 has a wider aperture for better low light performance.
Portrait (Depth)No2MP f/2.4C55 offers basic depth sensing for portrait mode, although not a primary driver of quality.
Video4K@30fps, 1080p@ up to 120fps1080p@ up to 60fpsPoco X3 GT supports higher quality 4K video recording, with a lot more framerate flexibility for more creative videos.
Features4K Video, Triple Camera, Ultra stable video, moreDual Camera, simpler videoPoco X3 GT offers more advanced video features such as 4K recording, ultrawide lens, and ultra stable video stabilization.
Battery Life
Capacity5000mAh5000mAhBoth offer similar battery capacity, which suggests comparable battery endurance.
Charging67W fast charging (Li-Polymer)33W fast charging (Li-Ion)Poco X3 GT charges much faster, saving you valuable time and reducing downtime.
Software
OSAndroid 11Android 13C55 has a newer version of Android, offering better features and security updates out of the box.
Connectivity
Wi-FiWiFi 6 (802.11ax)802.11n 5GHzPoco X3 GT has newer Wi-Fi standard, offering faster speeds and better efficiency on modern networks.
BluetoothBluetooth 5.2 LE, APT-x, LDAC, AACBluetooth 5.2 LE, EDR, HIDPoco X3 GT has additional audio features like APT-X, LDAC, and AAC codecs for higher quality wireless audio. C55 has support for EDR and HID.
GPSGPS, A-GPS, GLONASS, BeiDou, QZSS, Galileo, BeiDou (B1)GPS, A-GPS, GLONASS, Beidou, GalileoPoco X3 GT has better location accuracy, useful for navigation, fitness tracking, or gaming.
Storage
Internal Storage128 GB or 256 GB64 GB, 128 GB, or 256 GBSimilar storage options at the high end, but the C55 offers a 64GB variant for a lower price point.
RAM8 GB4 GB, 6 GB, or 8 GBBoth have 8 GB variants for better multitasking, but the C55 has cheaper 4GB and 6GB options.
Expandable StorageNoNoNeither of the phones supports expandable storage, which can be a drawback for heavy media users.
AudioDolby Atmos, Hi-Res Audio, Stereo Speakers, 2 microphonesBasic AudioPoco X3 GT has better audio quality with Dolby Atmos and Hi-Res Audio for immersive entertainment experience.
Security
Fingerprint SensorSide-mountedSide-mountedBoth share similar tech, provides basic biometric security.
SensorsAccelerometer, Compass, Gyroscope, Ultrasonic Proximity VirtualAccelerometer, ProximityPoco X3 GT offers more sensors, useful for gaming, fitness tracking and advanced features.

2. Key Insights

Xiaomi Poco X3 GT:

  • Strengths: Raw power, faster display, superior screen protection, faster charging, better Wi-Fi, better audio quality, more advanced camera features (4K video, triple cam, ultra stable).
  • Competitive Advantages: The Poco X3 GT is a performance-focused phone with a top-tier chipset for gaming, heavy apps and overall speed, complemented by the 120Hz refresh rate. It also includes superior screen protection, faster charging speeds, and enhanced audio features.
  • Trade-Offs: Slightly bulkier, older Android version (upgradeable). The Poco lacks a brightness specification which may be a concern.

Realme C55:

  • Strengths: Newer OS out-of-box, potentially better outdoor visibility with 680 nits, potentially cheaper 64GB model.
  • Competitive Advantages: The Realme C55 is geared toward users who prioritize a more modern operating system, and a brighter display (assuming the Poco's spec of 0 nits is an error). It also features a slightly larger screen and a thinner design.
  • Trade-Offs: Significantly less powerful chipset, slower display, slower charging, weaker audio, fewer sensors and less advanced camera features.

3. User Profiles and Recommendations

Xiaomi Poco X3 GT:

  • Ideal User: Gamers, power users, or anyone who needs a device that performs smoothly under heavy loads. Users who like consuming media and require enhanced audio features, video capture, and a smoother display would be well-suited to this device.
  • Use Cases: High-performance mobile gaming, video editing, seamless multitasking, streaming content with quality audio, using in busy environments that benefit from faster Wi-Fi,
  • Price-to-Value Ratio: Offers a superior performance to price ratio, especially if you're looking for flagship-level responsiveness on a mid-range budget.

Realme C55:

  • Ideal User: Casual smartphone users who value a modern OS, brighter display, and a slim design. It is suitable for those not focused on intensive tasks like gaming.
  • Use Cases: Daily social media use, web browsing, content consumption, and casual photography. If your primary use is for general daily tasks and you need a device that works well under direct sunlight, it could be a contender.
  • Price-to-Value Ratio: A good option for those looking for an affordable smartphone, but is generally outclassed by the Poco X3 GT in terms of raw performance.

4. Buying Decision Framework

Here are three questions to consider:

  1. How important is performance? If you're a gamer or heavy user, the Poco X3 GT is clearly better. If you're a casual user, the C55 will probably suffice.
  2. What's your use case for the camera? If quality or creative video and image features are key, the Poco X3 GT wins. The C55 is capable, but it's not as advanced.
  3. What is your budget? The C55 may come at a lower price, and if you don't need high performance or audio quality, it could be more appealing to you.

Scenario-Based Recommendations:

  • Heavy Gamer: Xiaomi Poco X3 GT without a doubt.
  • Budget Shopper: Realme C55, if you are comfortable with less performance.
  • Media Consumer: Xiaomi Poco X3 GT is the better choice due to its enhanced audio and video capture capabilities.
  • Outdoor Use: Realme C55 is worth considering, especially given the lack of brightness spec for the Poco.

My Choice

If I were choosing between these two devices, I would pick the Xiaomi Poco X3 GT. While it's older, it's clear that the performance difference is significant. The Dimensity 1100 chipset is a beast in this price range, and when coupled with the 120Hz refresh rate, it delivers a much more fluid and enjoyable user experience. The better build quality (with Gorilla Glass Victus) gives me more peace of mind, and its advanced video recording capability is essential to me. I can handle the slightly bulkier design for the huge performance boost, and I'd prefer the higher quality audio experience.

I do have some reservations because the brightness specification for the Poco X3 GT is unavailable and that is concerning. And, while an OS is upgradeable, I prefer the newer Android 13 out of the box of the C55 for a slightly more streamlined user experience. Ultimately though, if I'm spending my money I prefer to have the most robust hardware and performance possible. For me the Poco X3 GT is the clear winner.

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.