Tom Clancy's Rainbow Six Siege
1080p@100Hz·06:43 played
kanefav·3h ago
Public3 Tips
330
FPSAverage
229
FPS1% Low
83%/77°C
81%/80°C
16 GB
77%usage
R7 240 + Ryzen 3 4100 Bottleneck Calculator
Will the Ryzen 3 4100 bottleneck the R7 240? See the score below, powered by real FPS from 100+ games.
Radeon R7 2400% Score
Ryzen 3 410031% Score
Resolution
GPU0%
100%CPU
Severe GPU Bottleneck
GPU is 100% Weaker
Your AMD Radeon R7 240 is limiting your CPU. Your processor has headroom your graphics card can't use, a faster GPU would close that gap.
GPU Score
0%
TOP 180for desktopCurrently in stock for $67.95. You should consider the +Infinity% faster Arc B570.
CPU Score
31%
TOP 249for desktopCurrently in stock for $77.12. You should consider the +129% faster Core Ultra 5 245K.
Upgrade Recommendation
Your GPU is 100% weaker. Upgrade to the Intel Arc B570 for +Infinity% GPU performance.
Current100% bottleneck
After upgradeBalanced
Bottleneck Breakdown by Game
How R7 240 + Ryzen 3 4100 performs across popular titles at 1080p
What is a PC Bottleneck?
A bottleneck is when one component limits the rest of your system. If your GPU can render 200 FPS but your CPU can only prepare 120 frames of game data, you are capped at 120, you are paying for performance you are not getting.
This bottleneck calculator is a quick bottleneck test for your build, a bottleneck checker that uses real FPS data from 100+ games instead of synthetic benchmarks. For exact numbers during the games you play, benchmark your PC with HowManyFPS.
USAGE
98%CPU
45%GPU
CPU Bottleneck Calculator
A CPU bottleneck means your processor cannot keep up with your graphics card. This is most common at 1080p and in CPU-heavy games like shooters, strategy, and open-world titles with complex AI. Signs include low GPU usage (under 80%) while your CPU runs near 100%. Use the resolution toggle above to check if switching to 1440p or 4K rebalances your build.
GPU Bottleneck Calculator
A GPU bottleneck means your graphics card is the weaker link. This is expected at 4K and in visually demanding games with ray tracing or high-resolution textures. Your CPU will show low usage while your GPU runs at 95%+. Upgrading your GPU or lowering resolution and visual settings will close the gap.
This Calculator Estimates. HowManyFPS Measures.
Bottleneck Detection
Find out if your GPU or CPU is the limit, during the games you actually play.
Thermal Monitoring
See if your hardware is thermal throttling and silently dropping frames.
Background App Impact
Find apps eating your FPS that you didn't know were running.
Real FPS Numbers
Average FPS, 1% lows, and frame times from actual gameplay, not estimates.
Settings Tracking
Compare FPS across settings changes, see exactly what each toggle costs you.
Upgrade Rankings
See which component upgrade gives you the most FPS per dollar.
Bottleneck Calculator FAQ
compressWhat is a PC bottleneck?expand_more
When one component limits the rest of your system. If your GPU can render 200 FPS but your CPU can only prepare 120 frames of game data, you are capped at 120. That gap is your bottleneck.
searchHow do I check if my PC is bottlenecked?expand_more
Enter your GPU and CPU above for a quick estimate. For real-world results, download HowManyFPS, it tracks GPU and CPU usage during actual gameplay and shows exactly which component is holding you back.
percentIs a 10% bottleneck bad?expand_more
No. 10–15% is normal. Above 30%, you are losing meaningful FPS and should consider upgrading the weaker component. Use HowManyFPS to see the exact impact in your games.
memory_altCan RAM cause a bottleneck?expand_more
Yes. Slow speeds, single-channel configs, or insufficient capacity can bottleneck both CPU and GPU, especially in CPU-bound games. HowManyFPS tracks RAM usage so you can confirm.
aspect_ratioHow does resolution affect bottlenecks?expand_more
At 1080p the GPU finishes frames fast and waits on the CPU, high refresh rate gaming (144–360 Hz) is almost always CPU-limited. At 1440p, CPU and GPU share the workload more evenly, making it the sweet spot. At 4K the GPU does the heavy lifting and even mid-range CPUs rarely bottleneck. The same PC can be CPU-bottlenecked at 1080p and GPU-bottlenecked at 4K.
targetHow accurate is this bottleneck calculator?expand_more
Scores are based on real FPS data from 100+ games, not synthetic benchmarks. For the most accurate result, download HowManyFPS and measure your bottleneck during the games you actually play.
memoryHow do I fix a CPU bottleneck?expand_more
Upgrade to a faster CPU with strong single-thread performance. Short term: lower draw distance, NPC count, and physics settings. Run HowManyFPS first to confirm before spending money.
videocamHow do I fix a GPU bottleneck?expand_more
Upgrade your graphics card. Short term: lower resolution, reduce shadows and ray tracing, or enable DLSS/FSR. Run HowManyFPS to see how much headroom your CPU has.
Popular Bottleneck Tests
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