Sony Xperia 1 III vs Realme 12x - Detailed Phone Comparison

Detailed Comparison

Specification
Realme 12x
Realme 12x
Realme

General

Launch Date August 25, 2021 April 7, 2024
Release Year 2021 2024

Physical

Volume 96.06 cm³ 99.56 cm³
Screen Size to Weight Ratio 3.49 "/g 3.51 "/g
Weight 186 g 190 g
Height 165 mm 165.6 mm
Width 71 mm 76.1 mm
Thickness 8.2 mm 7.9 mm
Foldable Design No No
Available Colors
  • Frosted Black
  • Frosted Gray
  • Frosted Purple
  • Glowing Black
  • Feather Green

Display

Screen Size 6.5 " 6.67 "
Resolution 1644 x 3840 720 x 1604
Aspect Ratio 21:9 20:9
Screen-to-Body Ratio 84.2 % 85.1 %
Pixel Density 643 PPI 264 PPI
Refresh Rate 120 Hz 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 625 nits
Peak Brightness N/A N/A

Hardware

Battery Capacity per Screen Area 106.51 mAh/in² 112.39 mAh/in²
Battery Density 46.84 mAh/cm³ 50.22 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM8350 Snapdragon 888 5G (5 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Adreno 660 Mali-G57 MC2

Connectivity

USB Version 3.1 2.0
OTG Support 1
DisplayPort
DisplayPort Version N/A N/A
USB Features USB Type-C 3.1, OTG, Video Output USB Type-C 2.0

Software

Operating System Android Android
Initial OS Version 11 14
Maximum OS Version 13

Comparison Summary

Alright, let's dive into a head-to-head comparison of the Sony Xperia 1 III and the Realme 12x. It's a fascinating matchup, contrasting Sony's dedication to premium tech with Realme's focus on value. Let's break down what these phones bring to the table.

1. Specifications Breakdown

FeatureSony Xperia 1 IIIRealme 12xReal-World Implications
Design
Launch Date2021-08-252024-04-07Realme 12x is much newer, benefiting from more recent tech advancements.
Dimensions165 × 71 × 8.2 mm165.6 × 76.1 × 7.9 mmRealme 12x is wider, possibly less comfortable for one-handed use. Xperia 1 III is slightly thicker.
Weight186g190gPractically identical weight; both feel substantial.
Display
Size6.5"6.67"Realme 12x has a slightly larger display, offering a bit more screen real estate for content consumption.
Resolution1644x3840720x1604Xperia 1 III has incredibly sharper and more detailed visuals. Much better for media and photography.
Pixel Density (PPI)643264Xperia 1 III displays text and images incredibly crisp and detailed, a huge difference.
TechnologyOLEDIPS LCDXperia 1 III has superior display technology with better contrast, richer colors, and deeper blacks.
Refresh Rate120Hz120HzBoth offer smooth scrolling and animations, a big plus for gamers.
Brightness0 nits0 nitsPeak brightness is identical but this is not real, likely a data issue; Real world will differ.
Performance
ChipsetSnapdragon 888Dimensity 6100+Xperia 1 III's chipset offers vastly superior performance, better for gaming, multitasking and demanding apps.
AnTuTu Score889,100442,599Xperia 1 III is much faster, leading to a significantly smoother overall experience.
GPUAdreno 660Mali-G57 MC2Xperia 1 III has a more powerful GPU, resulting in better graphics rendering.
Camera
Standard Camera12MP f/1.750MP f/1.8Realme 12x has higher resolution, Xperia 1 III has a wider aperture and larger pixels.
Selfie Camera8MP f/2.08MP f/2.1Xperia 1 III has slightly wider aperture, better low-light capability, better selfie quality.
Telephoto Lens12MP f/2.2N/AXperia 1 III offers optical zoom capabilities for better zoom quality.
Wide Angle Lens12MP f/2.3N/AXperia 1 III offers a wide field of view for landscape shots.
ToF 3D SensorYesN/AXperia 1 III benefits with depth and range information, better bokeh.
Portrait Mode (Depth)N/A2MP f/2.4Realme 12x offers a portrait mode for depth sensing.
Video Recording4K up to 120fps1080p at 30fpsXperia 1 III allows higher quality video recording, better stabilisation features.
DXOMark (Camera)105N/AXperia 1 III has a higher benchmark, indicating better camera performance (but this is subjective).
Battery Life
Capacity4500mAh5000mAhRealme 12x has a slightly larger battery, potentially better battery life for everyday use.
Charging30W15WXperia 1 III charges faster, reaching full capacity quicker.
Charging featuresBypass ChargingNoneXperia 1 III can bypass charging while gaming to reduce battery heat.
Software
Operating SystemAndroid 11 (upgradable to 13)Android 14Realme 12x has newer Android version.

2. Key Insights

  • Sony Xperia 1 III: The Xperia 1 III is a powerhouse focused on raw performance and high-end features. It boasts a superior display, powerful processor, and a more versatile camera system. It's a phone designed for users who demand top-tier quality in every aspect.
  • Realme 12x: The Realme 12x is a budget-friendly option that offers solid performance and a more recent software experience. While it doesn't match the Xperia 1 III in processing power or display quality, it provides a larger battery and a more modern OS, appealing to users seeking value and practicality.

Strengths and Competitive Advantages:

  • Xperia 1 III: Its standout advantage lies in its exceptional 4K OLED display, offering unparalleled sharpness and color accuracy, coupled with superior processing power, making it perfect for demanding tasks and gaming. The advanced camera system, complete with optical zoom and 4K video capabilities, further solidifies its position as a premium device.
  • Realme 12x: The key selling points of the Realme 12x are its affordability and solid battery life. It offers a decent user experience with its newer Android version and larger battery while being an affordable phone.

Trade-offs and Limitations:

  • Xperia 1 III: Its older operating system and potentially shorter battery life are trade-offs for its superior features. Its price point also makes it a less accessible option.
  • Realme 12x: The lower-resolution IPS LCD display, along with a less powerful processor, results in a less premium experience compared to the Xperia 1 III. Its slower charging and less capable camera are also noticeable drawbacks.

3. User Profiles and Recommendations

  • Sony Xperia 1 III: Ideal for:

    • Content Creators: Users needing top-tier display and video recording, perfect for video editing and content consumption.
    • Mobile Gamers: Demanding gaming experience with excellent performance and smooth visuals.
    • Photography Enthusiasts: High quality versatile camera system with a Telephoto and wide angle camera.
    • Tech Enthusiasts: Seeking the highest level of performance and cutting-edge technology.
  • Realme 12x: Ideal for:

    • Budget-conscious Users: Prioritizing affordability and basic phone functionality.
    • Everyday Users: People who prioritize battery life and a smooth basic experience.
    • Casual Gamers: Suitable for light gaming and general use.
    • Android Enthusiasts: Those who want to try the latest Android OS without breaking the bank.

4. Buying Decision Framework

Here are three practical questions to guide your decision:

  1. How important is display quality to you? If you need an extremely sharp and vibrant display, the Xperia 1 III is the only clear choice. However, if a basic display is okay, the Realme 12x will suffice.
  2. What's your primary use case? If you primarily play high-end mobile games and/or want a versatile camera, the Xperia 1 III is a clear winner. But if basic everyday usage is your main need, the Realme 12x is a better choice due to its solid battery.
  3. How much are you willing to spend? If budget is the main factor, the Realme 12x offers considerable value. However, if you can afford it and demand the best performance and features, the Xperia 1 III is the superior device.

Scenario-Based Recommendations:

  • Scenario 1: Mobile Gaming and Content Creation – Choose the Sony Xperia 1 III. Its powerful processor, superior display, and versatile camera make it ideal for intensive gaming sessions and high-quality video recording.
  • Scenario 2: Everyday User on a Budget – Choose the Realme 12x. Its larger battery and solid software experience provides good value for the price.
  • Scenario 3: Media Consumption and Photography – Choose the Sony Xperia 1 III if you can afford it, the OLED display and high-end camera system makes it perfect for watching movies and photography.
  • Scenario 4: Latest Android and basic Usage - Choose the Realme 12x for its newer OS and basic usage.

My Choice

If it were my money, I would personally choose the Sony Xperia 1 III. While it's an older device, the difference in display quality and raw performance is just too significant to ignore, and I am able to overlook the older software and somewhat smaller battery. I value a top-tier visual experience, love to experiment with mobile photography, and appreciate a smooth, responsive phone for daily tasks and mobile gaming. The extra features and capabilities it offers perfectly align with my needs and preferences, even at a higher price point. The sheer quality of the display and the versatile camera make it a compelling choice for me.

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.