After nearly a 3 months of gaming on the iQOO 15R, testing everything from PC emulation to the heaviest Android titles available, I wanted to answer one question I've seen repeatedly:

Does the iQOO 15R throttle under heavy load?

Short answer:

Yes, but not in the way many people think.

A lot of users see temperatures crossing 45°C and immediately conclude that a phone is throttling badly.

The reality is more complicated.

Modern games like Wuthering Waves, Zenless Zone Zero, Warframe and PC emulation workloads are capable of pushing even Snapdragon 8 Elite devices to their thermal limits.

The question isn't whether temperatures rise.

The question is:

How aggressively does the phone reduce performance once heat builds up?

After testing multiple demanding games, one thing became clear.

iQOO's tuning philosophy is heavily performance-oriented.

Instead of limiting power early to keep temperatures low, the 15R allows the Snapdragon 8 Gen 5 to stretch its legs and deliver as much performance as possible.

For gamers, that's usually the better approach.

Heat can be managed with room temperature, external coolers and shorter breaks.

Artificially capped performance cannot.

PC Emulation

GTA 5 and NFS Payback were easily the toughest tests.

• These aren't native Android games and place a completely different level of stress on the GPU.

• In GTA 5, performance remained surprisingly playable, but long sessions eventually ran into thermal limitations.

• NFS Payback was even more demanding and exposed the limits of the compact chassis.

Would I call this bad throttling?

Not really.

You're effectively asking a smartphone to run PC games through an emulator.

Even many larger flagship devices struggle here.

Wuthering Waves & Zenless Zone Zero

These are probably the best examples of why raw temperature numbers don't tell the whole story.

Both games push modern mobile hardware extremely hard.

The 15R gets warm.

Sometimes very warm.

But throughout testing, the device continued pulling substantial power instead of immediately backing off.

What impressed me wasn't that temperatures increased.

What impressed me was how long the phone continued prioritizing performance before reducing clocks.

Genshin Impact

• Genshin remains one of the most balanced gaming experiences on the device.
• At sensible settings, performance is stable and enjoyable.
• Features like Super Resolution can dramatically increase GPU load, and naturally that comes with additional heat.
• The good news is that users have the option to choose between visual quality and thermals depending on their priorities.

Esports Titles

• COD Mobile and Rainbow Six Mobile were basically effortless for the Snapdragon 8 Gen 5.
• Stable performance, excellent responsiveness and no meaningful thermal concerns during normal play.
• For the games most people actually spend hundreds of hours playing, the 15R feels completely comfortable.

So... Does It Throttle?

Technically yes.

Because it heats , yes but it's trying hard to push performance over lower temperatures. 

• Every smartphone throttles eventually when enough heat accumulates.

• The important thing is how it throttles.

• From my testing, the iQOO 15R doesn't feel like a phone that's desperately trying to keep temperatures low.

• Although Some games will lag like PC Emulation and Wuthering Waves but those games are too heavy for 8 Gen 5 to handle and not because 8 Gen 5 is badly optimized.

• In fact the 15R is better optimized for heat and performance than the 8 Elite in iQOO 13.

• It feels like a phone that's trying to maximize performance first and manage thermals second. 

Personally, I'd rather have that balance in a gaming-focused device.

Final Verdict

The iQOO 15R is not immune to thermal limits.

No compact flagship is.

But I also wouldn't describe it as a phone that suffers from severe or overly aggressive throttling.

What I saw was a device that consistently tries to deliver the highest possible performance, even in extremely demanding workloads that challenge much more expensive phones.

If your workload is PC emulation, Wuthering Waves, ZZZ or other GPU-heavy titles, expect heat. Even for 8 Elite Gen 5

If your expectation is that a compact phone should stay cool while running some of the most demanding games available in 2026, that's simply not realistic.

For its price segment, the iQOO 15R delivers exactly what most gamers want:

Maximum performance first, thermal management second.

@iQOO Connect