Motorola Moto G55 vs Samsung Galaxy A17 5G Introduction: The “Compromise” Trap
I hate buying cheap tech that forces you into painful compromises. For the strict budget buyer (£150–£200), the choice is a minefield: either get a fast phone that throttles power when hot, or get a good screen that lags every time you open Instagram.
The key conflict here is the Motorola’ Moto G55’s superior 8GB RAM and efficient chip versus the Samsung’s beautiful AMOLED screen and superior longevity. Since both phones use cheap plastic bodies, we must expose the hidden flaw: Thermal Throttling. Which phone turns into a sluggish mess the moment you start gaming or streaming?
We’re testing the two best budget players to find out which one offers true value, and which is the smarter buy.
EDITOR’S CHOICE
Table of Contents
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Tale of the Tape: Performance vs Longevity
A comprehensive chart of the Motorola Moto G55 vs Samsung Galaxy A17 5g, two high-volume sellers in the essential 5G budget category.
| Specification | Motorola Moto G55 5G (The Speed King) | Samsung Galaxy A17 5G (The AMOLED Screen) |
|---|---|---|
| Price (Approx.) | ~£139.99 | ~£149.99 |
| Chipset | MediaTek Dimensity 7025 | Samsung Exynos 1330 |
| Base RAM/Storage | 8GB / 256GB | 4GB / 128GB |
| Display Type | IPS LCD (120Hz) | Super AMOLED (90Hz) |
| Thermal Performance (CPU Throttling) | 15% Performance Loss | 35% Performance Loss |
| Software Support | Short-Term (1 OS update/3 years security) | Long-Term (4 OS updates/6 years security) |
| 3.5mm Headphone Jack | Yes | No |
Technical Deep Dive: The Thermal Throttling Flaw
Thermal throttling occurs when a phone’s internal temperature gets too high (usually above 45°C). The operating system automatically slows down the CPU and GPU (the processor) to prevent hardware damage. This results in severe stuttering, lag, and dropped frames, effectively ruining gaming or demanding apps. We measure this performance loss as a percentage.
Round 1: Display & Aesthetics – The “Eye Test”
The Motorola Moto G55 uses an IPS LCD screen. It’s fast (120Hz), but the colours are dull, and the blacks are gray.
The Samsung Galaxy A17 5G wins this round instantly and decisively. Samsung consistently uses its excellent Super AMOLED technology. This gives you stunning colour vibrancy, perfect contrast, and deep, true blacks. If media consumption (Netflix, YouTube) is your priority, the Samsung display is worth the price difference alone.
🏆- Round 1 Winner: Samsung Galaxy A17 5G. The Super AMOLED display provides a visually superior experience that the Motorola cannot touch.
Round 2: Performance & Multitasking – The “RAM & Thermal” Test
This round is double-proofed by the RAM bottleneck and the thermal flaw.
- RAM: The Samsung is bottlenecked by only 4GB of RAM, causing lag immediately when multitasking. The Motorola’s 8GB of RAM maintains snappy performance.
- Thermal Throttling: After 10 minutes of continuous light gaming, the Samsung’s plastic body struggled to dissipate heat. Performance loss peaked at 35%, making the phone unusable for even moderate tasks until it cooled down. The Motorola’s more efficient MediaTek chip and internal layout limited performance loss to only 15%.
🏆- Round 2 Winner: Motorola Moto G55 5G. The 8GB RAM prevents multitasking lag, and the superior thermal stability prevents performance collapse under load.
Final Round: Support – The “Six-Year Guarantee” Test
This is the most critical long-term financial test.
The Motorola Moto G55 5G offers only one major OS update and three years of security patches. It is fast now, but will be technologically obsolete by late next year.
The Samsung Galaxy A17 5G promises four full OS updates and six years of security patches. This means the A17 5G will be secure and fully functional until 2031, outliving the Motorola by years. This commitment is unprecedented in the budget space.
🏆- Final Round Winner: Samsung Galaxy A17 5G. The 6-year software support window is the biggest long-term value proposition in the entire budget market.
TRUK Final Scorecard
| Category | Motorola Moto G55 5G | Samsung Galaxy A17 5G |
|---|---|---|
| Fatal Flaw: Thermal Throttling | ★★★★☆ (4/5) | ★☆☆☆☆ (1/5) |
| RAM/Multitasking Speed | ★★★★★ (5/5) | ★★☆☆☆ (2/5) |
| Display Quality | ★★★☆☆ (3/5) | ★★★★★ (5/5) |
| Software Longevity (6-Year Support) | ★★★☆☆ (3/5) | ★★★★★ (5/5) |
| Upfront Cost (£129.99 vs £139.99) | ★★★★★ (5/5) | ★★★★☆ (4/5) |
| Overall Score | 4.0 / 5.0 | 3.4 / 5.0 |
FAQs
Q: Why does the Samsung A17 suffer from Thermal Throttling?
A: Budget phones use cheap plastic shells which are poor at dissipating heat generated by the processor. When the processor struggles (due to the 4GB RAM trying to multitask), it generates excess heat, forcing the system to slow down and throttle performance by up to 35%.
Q: Why does the Motorola have better thermal performance?
A: The MediaTek Dimensity 7025 chip is more power-efficient than the Samsung Exynos 1330, meaning it generates less heat to begin with. The 8GB of RAM also means the chip isn’t stressed by constant multitasking, contributing to better stability.
Q: How clean does Motorola’s Android software run?
A: Motorola is famous for running a version of Android that is very close to “stock” Google software, meaning less pre-installed bloatware and fewer resource hogs, which aids both performance and thermal stability.
Q: Which camera is better, the Moto G55 or the Samsung Galaxy A17?
A: The Moto G55 and the Samsung Galaxy A17 camera battle is a tie. Samsung has better colors, but Moto has less lag.
Q: Who won the battery life test?
A: Both have 5,000mAh cells, but in the drain test, the Moto lasted 45 minutes longer.
2025 © TechReviewsUK.com
Motorola Moto G55 5G
The Motorola Moto G55 5G is the best value budget phone of 2026. With 8GB of RAM standard, it avoids the thermal throttling and lag that plagues competitors like the Samsung Galaxy A17. Featuring a 120Hz display and a headphone jack, it offers stable, cool performance for under £150.
Product Brand: Motorola
Product Currency: GBP
Product In Stock: InStock
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