Intel Core i7-8700K + NVIDIA RTX 5070 Bottleneck Analysis
The Intel Core i7-8700K pairs well with the NVIDIA RTX 5070 at 4K and 1440p, but at 1080p the CPU limits the GPU by roughly 23-32% depending on the game - buy this combo for 1440p and 4K gaming, not competitive 1080p.
Balance across resolutions
1080p
CPU 23-32%
1440p
CPU 14-23%
4K
Balanced
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)
Significant CPU Bottleneck (23-32%)Limiting factor at this resolution
Estimated AAA Game FPS
Based on gaming scores. Actual FPS varies by title.performance
130
FPS
CPU limited
balanced
130
FPS
CPU limited
ultra
103
FPS
At 1080p (Full HD), the Intel Core i7-8700K will hold back the NVIDIA RTX 5070 by roughly 23-32% depending on the game - CPU-heavy titles will feel it most. The processor cannot feed frames to the GPU fast enough, so you may see lower-than-expected frame rates. Upgrading to a faster CPU would unlock the full potential of your NVIDIA RTX 5070.
1440p (Quad HD)
Moderate CPU Bottleneck (14-23%)Limiting factor at this resolution
Estimated AAA Game FPS
Based on gaming scores. Actual FPS varies by title.performance
135
FPS
balanced
98
FPS
ultra
68
FPS
At 1440p (Quad HD), the Intel Core i7-8700K will hold back the NVIDIA RTX 5070 by roughly 14-23% depending on the game - CPU-heavy titles will feel it most. The processor cannot feed frames to the GPU fast enough, so you may see lower-than-expected frame rates. Upgrading to a faster CPU would unlock the full potential of your NVIDIA RTX 5070.
4K (Ultra HD)
Well BalancedEstimated AAA Game FPS
Based on gaming scores. Actual FPS varies by title.performance
86
FPS
balanced
59
FPS
ultra
43
FPS
Great pairing! The Intel Core i7-8700K and NVIDIA RTX 5070 are well-matched at 4K (Ultra HD). Both components will be utilized efficiently with minimal performance waste. This is an ideal combination for this resolution.
Will it run the games you play?
Pick your games for an estimated FPS at 1440p, high settings.
Valorant
309-419FPS
High-refresh
Counter-Strike 2
254-344FPS
High-refresh
Fortnite
Balanced settings, no Lumen
188-254FPS
High-refresh
Marvel Rivals
177-239FPS
High-refresh
Call of Duty: Warzone
126-170FPS
High-refresh
These are estimates, not benchmarks. Your actual frame rate depends on your exact settings, resolution scaling, drivers, and the scene on screen - treat these as a realistic ballpark at high settings, not a guarantee. Lower settings or upscaling (DLSS/FSR) push them higher; maxed-out ray tracing pushes them lower.
Intel Core i7-8700K + NVIDIA RTX 5070
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:
CPU · Score 52/100
Intel Core i7-8700K
LGA1151 · 95W TDP
Recommended Upgrades
Cost per frame uses today's prices and the estimated AAA FPS gain at 1440p - lower is better value.
Specs Comparison
| Spec | Intel Core i7-8700K | NVIDIA RTX 5070 |
|---|---|---|
| Gaming Score | 52/100 | 82/100 |
| Benchmark Score | 34 | 80 |
| TDP | 95W | 250W |
| Price | Not recommended | $630 |
| Socket / VRAM | LGA1151 | 12GB |
| Release Year | 2017 | 2025 |
Finish the Build
You picked the Intel Core i7-8700K + NVIDIA RTX 5070 - these tools answer the next two questions with this exact pairing already filled in:
Complete the Setup
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Frequently Asked Questions
Is the Intel Core i7-8700K a bottleneck for the NVIDIA RTX 5070?
Yes, the Intel Core i7-8700K creates a bottleneck of roughly 14-23% for the NVIDIA RTX 5070 at 1440p, depending on the game. The CPU cannot fully utilize the GPU's capabilities.
What resolution is best for the Intel Core i7-8700K + NVIDIA RTX 5070?
The Intel Core i7-8700K and NVIDIA RTX 5070 are most balanced at 4k with only a 9% bottleneck. At 1080p, bottleneck is 27%. At 1440p, it's 18%. At 4K, it's 9%.
Should I upgrade from the Intel Core i7-8700K or NVIDIA RTX 5070?
Upgrade the CPU. The Intel Core i7-8700K is the bottleneck. A faster CPU will let the NVIDIA RTX 5070 reach its full potential.
Want to test other parts? Use our free bottleneck calculator to compare any CPU and GPU pair.