PCBottleneck

Intel Pentium G645 + Sapphire RX 480 4GB NITRO+

Complete bottleneck analysis across all resolutions and use cases.

Verdict (1440p Gaming)

Severe Bottleneck

Severe bottleneck — your GPU is a critical limiter. Upgrade it before anything else.

64%

bottleneck

Bottleneck by Use Case

1080p Gaming

54%

Significant Bottleneck

1440p Gaming

64%

Severe Bottleneck

4K Gaming

79%

Severe Bottleneck

Streaming

40%

Moderate Bottleneck

Component Comparison

CPU

Intel Pentium G645

Cores/Threads2C / 2T
Boost Clock2.5 GHz
TDP65W
SocketDynamic
Benchmark Score49.9/100
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GPU

Sapphire RX 480 4GB NITRO+

VRAM8GB
TDP150W
Target Res.all
Release Year2020
Benchmark Score19.1/100
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Frequently Asked Questions

Does Intel Pentium G645 bottleneck Sapphire RX 480 4GB NITRO+?

At 1440p gaming, this combination shows a 64% bottleneck (Severe Bottleneck). Severe bottleneck — your GPU is a critical limiter. Upgrade it before anything else.

What is the efficiency score for Intel Pentium G645 + Sapphire RX 480 4GB NITRO+?

The build efficiency score is 36/100. Below average — one component is significantly underutilized.

Should I upgrade my GPU?

Upgrade your GPU first. It is the limiting component in this configuration.

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