Core i5-4690K + NVIDIA GTX 1660 Bottleneck Analysis

The Core i5-4690K and NVIDIA GTX 1660 are 8% apart at 1440p (5% at 1080p, 11% at 4K) - check the per-resolution breakdown below for where this pairing makes sense.

Balance across resolutions

1080p

Balanced

1440p

Balanced

4K

GPU 9-12%

Benchmark data updated July 2026 · prices sync daily from retail feeds · how we score

Component scores below are out of 100 on our gaming-performance scale, weighted by how much each resolution leans on the CPU vs the GPU - the closer the two weighted scores, the more balanced the pairing.

1080p (Full HD)

Well Balanced
CPU: Core i5-4690KScore: 38/100
GPU: NVIDIA GTX 1660Score: 29/100
CPU Weight: 60%GPU Weight: 40%

Estimated AAA Game FPS

Based on gaming scores. Actual FPS varies by title.

perf

61

FPS

balanced

48

FPS

ultra

36

FPS

Great pairing! The Core i5-4690K and NVIDIA GTX 1660 are well-matched at 1080p (Full HD). Both components will be utilized efficiently with minimal performance waste. This is an ideal combination for this resolution.

1440p (Quad HD)

Well Balanced
CPU: Core i5-4690KScore: 38/100
GPU: NVIDIA GTX 1660Score: 29/100
CPU Weight: 40%GPU Weight: 60%

Estimated AAA Game FPS

Based on gaming scores. Actual FPS varies by title.

perf

48

FPS

balanced

35

FPS

ultra

24

FPS

Great pairing! The Core i5-4690K and NVIDIA GTX 1660 are well-matched at 1440p (Quad HD). Both components will be utilized efficiently with minimal performance waste. This is an ideal combination for this resolution.

4K (Ultra HD)

Moderate GPU Bottleneck (9-12%)
CPU: Core i5-4690KScore: 38/100
GPU: NVIDIA GTX 1660Score: 29/100

Limiting factor at this resolution

CPU Weight: 20%GPU Weight: 80%

Estimated AAA Game FPS

Based on gaming scores. Actual FPS varies by title.

perf

30

FPS

balanced

21

FPS

ultra

15

FPS

At 4K (Ultra HD), the NVIDIA GTX 1660 will hold back the Core i5-4690K by roughly 9-12% depending on the game. At 4K the GPU carries most of the workload, and your graphics card is the limiting factor. Upgrading your GPU would provide the biggest performance improvement at this resolution.

Core i5-4690K + NVIDIA GTX 1660

We do not recommend buying every part in this pairing today - the ones worth buying link out to retailers, and the rest point to current alternatives instead:

Core i5-4690K

CPU · Score 38/100

Core i5-4690K

LGA1150 · 88W TDP

NVIDIA GTX 1660

GPU · Score 29/100

NVIDIA GTX 1660

6GB VRAM · 120W TDP · used / remaining stock

The NVIDIA GTX 1660 is discontinued - its price is an estimate of the used / remaining-stock market, not current new-retail.

Frequently Asked Questions

Is the Core i5-4690K a bottleneck for the NVIDIA GTX 1660?

No, the Core i5-4690K and NVIDIA GTX 1660 are well-matched at 1440p with only a 8% difference. This is an excellent pairing.

What resolution is best for the Core i5-4690K + NVIDIA GTX 1660?

The Core i5-4690K and NVIDIA GTX 1660 are most balanced at 1080p with only a 5% bottleneck. At 1080p, bottleneck is 5%. At 1440p, it's 8%. At 4K, it's 11%.

Should I upgrade from the Core i5-4690K or NVIDIA GTX 1660?

Neither - this pairing is well-balanced. Only upgrade when you want to target a higher resolution or need more performance in specific games.

Try Different Components

Want to test other parts? Use our free bottleneck calculator to compare any CPU and GPU pair.