Sony Xperia 10 III vs Realme 12 Pro+ - Detailed Phone Comparison

Detailed Comparison

Specification

General

Launch Date June 11, 2021 January 29, 2024
Release Year 2021 2024

Physical

Volume 86.92 cm³ 105.17 cm³
Screen Size to Weight Ratio 3.55 "/g 3.42 "/g
Weight 169 g 196 g
Height 154 mm 161.5 mm
Width 68 mm 74 mm
Thickness 8.3 mm 8.8 mm
Foldable Design No No
Available Colors
  • Black
  • Blue
  • White
  • Pink
  • Submarine Blue
  • Navigator Beige
  • Explorer Red

Display

Screen Size 6 " 6.7 "
Resolution 1080 x 2520 1080 x 2412
Aspect Ratio 21:9 20:9
Screen-to-Body Ratio 80.3 % 90.4 %
Pixel Density 457 PPI 394 PPI
Refresh Rate N/A 120 Hz
Typical Brightness N/A N/A
HBM Brightness N/A 800 nits
Peak Brightness N/A 950 nits

Hardware

Battery Capacity per Screen Area 125.00 mAh/in² 111.38 mAh/in²
Battery Density 51.77 mAh/cm³ 47.54 mAh/cm³
Battery Capacity 4500 mAh 5000 mAh
NFC Support Yes Yes
Chipset Qualcomm SM6350 Snapdragon 690 5G (8 nm) Qualcomm SM7435-AB Snapdragon 7s Gen 2 (4 nm)
CPU Octa-core (2x2.0 GHz Kryo 560 Gold & 6x1.7 GHz Kryo 560 Silver) Octa-core (4x2.40 GHz Cortex-A78 & 4x1.95 GHz Cortex-A55)
GPU Adreno 619 Adreno 710

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 USB Type-C 2.0

Software

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

Comparison Summary

Sony Xperia 10 III vs. Realme 12 Pro+: A Practical Comparison

1. Specifications Breakdown

Design & Build

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
Dimensions154 × 68 × 8.3 mm161.5 × 74 × 8.8 mmXperia is more compact and pocket-friendly; Realme is larger and heavier (196g vs. 169g), which may feel bulkier in hand.
Weight169g196gXperia is noticeably lighter, better for long use.
Screen ProtectionGorilla Glass 6UnknownXperia has better drop protection and scratch resistance.
Fingerprint SensorSide-mountedIn-display (basic)Xperia’s side sensor is faster and more ergonomic.

Display

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
Size6" OLED6.7" AMOLEDRealme offers a bigger screen (better for media), while Xperia is more compact.
Resolution1080 × 2520 (457 PPI)1080 × 2412 (394 PPI)Xperia’s higher PPI means slightly sharper text and images.
Refresh Rate60Hz120HzRealme’s 120Hz makes scrolling and gaming smoother.

Performance

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
ChipsetSnapdragon 690 (8nm)Snapdragon 7s Gen 2 (4nm)Realme is 2.2x faster in benchmarks—better for gaming, multitasking.
RAM6GB8GB / 12GBRealme handles heavy apps and games better.
Storage128GB (non-expandable)128GB / 256GB / 512GBRealme offers more storage options.

Camera

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
Main Sensor12MP (f/1.8, Sony Exmor RS)50MP (f/1.8, Sony IMX890)Realme captures much more detail, with better low-light performance.
Ultrawide8MP (f/2.2)8MP (f/2.2, Macro)Similar utility, but Realme’s doubles as a macro lens.
Telephoto8MP (2x zoom)64MP (3x optical zoom)Realme’s periscope lens is far superior for zoom shots.
Selfie Camera8MP (f/2.0)32MP (f/2.4)Realme has a sharper front camera but worse low-light due to aperture.
Video & Stabilization4K/30fps (no EIS)4K/30fps (with EIS & OIS)Realme’s stabilization makes videos smoother.

Battery & Charging

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
Capacity4500mAh5000mAhRealme lasts longer on a charge.
Charging Speed18W67WRealme charges 3x faster (0-100% in ~40 mins).

Software & Connectivity

FeatureSony Xperia 10 IIIRealme 12 Pro+Real-World Implications
OSAndroid 11 (up to 13)Android 14Realme offers newer software with longer support.
Wi-FiWi-Fi 5Wi-Fi 6Realme has faster, more stable Wi-Fi in crowded areas.
Bluetooth5.15.2Realme has better connectivity for wireless audio.

2. Key Insights

Sony Xperia 10 III Strengths

Compact & Lightweight – Easier one-handed use, better portability.
Sharper Display (457 PPI) – Slightly crisper than Realme’s 394 PPI.
Better Build & Protection – Gorilla Glass 6, side fingerprint sensor.

Realme 12 Pro+ Strengths

Faster Performance – 2.2x benchmark boost, smoother gaming/multitasking.
Superior Cameras – 50MP main, 64MP periscope zoom, better stabilization.
Bigger Battery, Faster Charging – 5000mAh + 67W vs. 4500mAh + 18W.
Newer Software & Support – Android 14 vs. Android 11 (Xperia).

Trade-Offs

  • Xperia 10 III is slower, with weaker cameras, but more compact and durable.
  • Realme 12 Pro+ is larger and heavier, but better for power users and media consumption.

3. User Profiles & Recommendations

Who Should Buy the Sony Xperia 10 III?

  • Compact phone lovers – Prefer smaller, lighter designs.
  • Basic users – Don’t need high-end performance or the best cameras.
  • Durability-focused users – Gorilla Glass 6 & side fingerprint sensor are better.

Who Should Buy the Realme 12 Pro+?

  • Power users & gamers – Faster chipset, 120Hz display, more RAM.
  • Photography enthusiasts – 50MP main, 64MP zoom, OIS, and better video.
  • Media consumers – 6.7" AMOLED, Wi-Fi 6, Dolby Atmos stereo speakers.

4. Buying Decision Framework

3 Questions to Help You Decide

  1. Do you prioritize compact size or a big screen?
    • Xperia for compact, Realme for immersive viewing.
  2. Do you need flagship-level performance & cameras?
    • Realme is far ahead in speed and photography.
  3. Is fast charging & battery life crucial?
    • Realme charges 3x faster and lasts longer.

Scenario-Based Recommendations

  • Best for Travel & PhotographyRealme 12 Pro+ (superior zoom, fast charging).
  • Best for One-Handed UseSony Xperia 10 III (smaller, lighter).
  • Best for Gaming & MultitaskingRealme 12 Pro+ (faster chipset, 120Hz).

Final Verdict: Which One Would I Choose?

I’d pick the Realme 12 Pro+.

Why?

  • Performance gap is too big – The Snapdragon 7s Gen 2 is leagues ahead of the old 690.
  • Camera system is superior – The 64MP periscope zoom is a game-changer.
  • Modern features win – 120Hz, Wi-Fi 6, and 67W charging make daily use more enjoyable.

The only reason to pick the Xperia 10 III is if you absolutely need a compact phone—otherwise, the Realme 12 Pro+ is the clear winner in 2024.

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

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