How to Benchmark Diablo III

HowManyFPS tracks your real frame rate, spots bottlenecks, and catches background apps stealing your frames, automatically while you play Diablo III. See exactly what to upgrade and unlock the full FPS Calculator, free.

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How to Test Your PC in Diablo III

Get Set Up in Under a Minute

Download the installer and run it, you're ready to go. HowManyFPS handles everything, including setting up hardware monitoring automatically.

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Pick Diablo III

Find Diablo III in the sidebar and click it. If the game is already running, it shows up at the top automatically.

Launch Diablo III and Play for 5 Minutes

Hit Play or launch Diablo III however you normally would. HowManyFPS detects it automatically, reads your settings from the config files, and starts recording. Just play, it tracks FPS, GPU/CPU usage, temps, and background processes without affecting your performance.

See Exactly How Your PC Performs

When you're done, your full report is ready, average FPS, 1% lows, GPU/CPU usage and temps, and every background process that was running. Compare results across settings changes or hardware upgrades to see what actually makes a difference.

Publish & Unlock the FPS Calculator

Hit Publish to share your benchmark with the community. Your results help other Diablo III players compare hardware, and you instantly unlock the full FPS Calculator for Diablo III, with every resolution, preset, and GPU/CPU combo.

Everything HowManyFPS Tracks

speed

Real FPS Numbers

Average FPS and 1% lows from actual gameplay, not estimates.

thermostat

GPU & CPU Temps

See if your hardware is thermal throttling and silently dropping frames.

memory

Bottleneck Detection

Find out if your GPU or CPU is the limit, and which component to upgrade first.

storage

RAM Usage

See if Diablo III needs more RAM than your system has available.

apps

Background App Impact

Find apps eating your FPS that you didn't know were running.

tune

Settings Tracking

Compare FPS across settings changes, see exactly what each toggle costs you.

Recent Public Diablo III Benchmarks

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Why Is My PC Slow in Diablo III?

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Windows 10/11, under 50 MB, always free

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Diablo III Benchmarking FAQ

How do I benchmark Diablo III?expand_more

Download HowManyFPS (free, takes under a minute), launch Diablo III, and play for a few minutes. HowManyFPS detects the game automatically and records everything, FPS, temps, GPU/CPU usage, and bottlenecks. Your full report is ready the moment you stop playing.

How do I check my FPS in Diablo III?expand_more

HowManyFPS tracks your frame rate automatically while you play Diablo III, no manual setup needed. After your session you get average FPS, 1% lows, and a full frame-time graph.

What FPS should I get in Diablo III?expand_more

It depends on your GPU, CPU, RAM, and in-game settings. Run a quick benchmark with HowManyFPS to get your actual numbers, or use the FPS calculator for an estimate before testing.

Does HowManyFPS affect Diablo III performance?expand_more

No. HowManyFPS uses under 1% CPU overhead and adds zero input latency. It reads hardware sensors in the background, you won't notice it running.

How do I find bottlenecks in Diablo III?expand_more

HowManyFPS logs GPU and CPU usage alongside your FPS. If your GPU is at 99% while your CPU sits at 40%, your GPU is the bottleneck. If it's the opposite, your CPU is the limit. Every benchmark report shows this automatically.

Is HowManyFPS free?expand_more

Yes, completely free. No trial period, no premium tier, no feature gates. Download it, use it, keep it.

Is HowManyFPS an FPS counter for Diablo III?expand_more

It goes beyond a simple FPS counter. HowManyFPS measures frame rate alongside GPU/CPU usage, temps, RAM, and background processes, then saves everything to a report you can compare over time.

Can Your PC Run Diablo III?

	Minimum	Recommended
OS	Windows 7 (64-bit)	Windows 10 (64-bit)
CPU	Core 2 Duo / Athlon 64 X2	Core 2 Quad Q6600 / Phenom II X4
GPU	GeForce 8800 GT / Radeon HD 2900 XT	GeForce GTX 260 / Radeon HD 4870
RAM	4 GB	8 GB
Storage	25 GB	25 GB

Why Is My PC Slow in Diablo III?

Join thousands of gamers already benchmarking their rigs.

Download HowManyFPS

Windows 10/11, under 50 MB, always free

Spot BottlenecksBoost FPS100+ Games