CPU GPU Bottleneck Calculator

Bottleneck Calculator

Test a PC build by CPU, GPU, resolution, memory, storage, workload, and refresh target before deciding what to upgrade.

Hardware rows
58
Game targets
15
Source policy
Open
Result type
Estimate

Analyze your PC build

Pick the three main inputs first. Expand the advanced panel when you want the report to consider memory, storage, workload, and refresh target.

Click Calculate to refresh
Processor Select your CPU Step 1
Graphics Card Select your GPU Step 2
Show Advanced Options Specific game, usage profile, RAM, memory type, storage, and target refresh rate

Ready. Run the calculation after choosing your build.

Analysis Report

Component balance, configuration notes, and upgrade guidance.

Default estimate

CPU

AMD Ryzen 5 7600X

GPU

NVIDIA GeForce RTX 4070 SUPER

Resolution

1440p

Memory

32GB DDR5 memory

Game / Use Case

Balanced gaming

Quality

High

Overall verdict

Balanced system estimate

This build is broadly balanced for the selected resolution and workload.

0%

Overall bottleneck

Likely limiting component

balanced

Bottleneck estimate

0%

Severity

none

CPU score

72

GPU score

55.6

CPU bottleneck

0%

CPU pressure is within the expected range.

GPU bottleneck

0%

GPU pressure is within the expected range.

Estimated performance

Average FPS

--

Estimate

Maximum FPS

--

Estimate

1% Lows

--

Estimate

CPU bottleneck Optimal balance GPU bottleneck

The marker shows whether the selected build leans CPU-bound or GPU-bound.

Configuration analysis

Memory

32GB DDR5 memory

Enough capacity for balanced gaming and multitasking.

Storage

NVMe SSD

Fast storage keeps game loads separate from CPU/GPU balance.

Workload

Balanced Gaming

Balanced profile blends CPU frame pacing and GPU image quality pressure.

Display target

1440p / 144Hz

Higher refresh targets increase CPU pressure before the final estimate.

Recommendation

  • This pairing is broadly balanced for the selected resolution and workload profile.

Why this result

  • CPU and GPU scores are compared after resolution and workload weighting.

Upgrade priority

  1. Fix the limiting component first, then tune quality or refresh target.

Confidence: medium

Sources: AMD, Best Bottleneck Calculator, NVIDIA

Estimate only. This is not measured FPS.

CPU Analysis

Index rank --

AMD Ryzen 5 7600X

Cores / threads

6 / 12

Base / boost clock

4.7 / 5.3 GHz

Cache / socket

32MB / AM5

Power / release

105W / 2022

Good gaming CPU for balanced 1440p builds.

GPU Analysis

Index rank --

NVIDIA GeForce RTX 4070 SUPER

VRAM

12GB GDDR6X

Memory bus / bandwidth

192-bit / 504 GB/s

Architecture / series

Ada Lovelace / RTX 40

Power / release

220W / 2024

Strong 1440p GPU with enough VRAM for high settings.

Gaming Experience Prediction

eSports

-- FPS

High-refresh estimate for competitive titles.

AAA Games

-- FPS

Visual quality estimate for demanding titles.

Creator / Streaming

--

Workstation and stream headroom estimate.

Settings Advice

Base quality
High
Ray tracing
Use selectively
Upscaling
Optional
Refresh target
144Hz target

Game-specific settings guidance appears after calculation.

Upgrade planning

Recommended Balanced Builds

These are generated from the local hardware index and the selected resolution, not paid placements.

Why the number changes

CPU bottleneck vs GPU bottleneck

A CPU bottleneck usually appears at lower resolutions or very high frame-rate targets, where frame pacing, cache, and simulation work matter more.

A GPU bottleneck is normal at high resolutions. At 4K, the graphics card often becomes the expected limit, so the calculator applies tolerance before calling it a problem.

CPU, GPU, RAM, and motherboard components arranged on a PC hardware workbench with performance graph lighting.

Visual workload map

The result follows component pressure, not a magic score

A balanced build can still become CPU-limited in esports, GPU-limited at 4K, or memory-limited when a game exceeds RAM or VRAM recommendations.

That is why the calculator changes the answer when you change resolution, workload profile, or memory size instead of returning one fixed bottleneck percentage for every situation.

Method

How this bottleneck calculator works

Static hardware specs come from official product pages. The balance result comes from normalized internal indexes, resolution weights, workload profiles, and memory checks.

Official specs first

Intel, AMD, and NVIDIA pages are used for cores, clocks, cache, VRAM, bandwidth, and board power.

Estimates stay labeled

Performance indexes are model inputs. We do not present them as raw benchmark tables or exact FPS.

Resolution-aware

1080p, 1440p, ultrawide, and 4K are weighted differently because bottlenecks move as GPU load changes.

Memory warnings

RAM and VRAM shortfalls are reported separately from CPU/GPU balance so the recommendation is clearer.

Bottleneck calculator FAQ

What is a bottleneck calculator?

A bottleneck calculator estimates whether the CPU, GPU, RAM, or VRAM is more likely to limit a selected PC build, resolution, and workload.

Is the bottleneck percentage exact?

No. The percentage is a relative estimate based on official hardware specs, normalized internal indexes, resolution, and workload profiles. It is not measured FPS.

Why does 4K often show less CPU bottleneck?

Higher resolutions increase GPU work. A CPU limit that matters at 1080p can become less visible at 1440p or 4K because the GPU becomes the normal limiting component.

Can I compare CPU and GPU upgrades?

Yes. Choose a different processor, graphics card, resolution, or workload profile and compare how the limiting component and recommendation changes.

Where does the hardware data come from?

Static specifications come from official Intel, AMD, and NVIDIA pages. Performance indexes are internal estimates and are clearly labeled as estimates.