
Core i7-9700K
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Core i9-7920X
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Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook
This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.
Core i7-9700K
2018Why buy it
- ✅Costs $814 less on MSRP ($385 MSRP vs $1,199 MSRP).
- ✅Delivers 90.7% more PassMark for each dollar spent, at 37.4 vs 19.6 PassMark/$ ($385 MSRP vs $1,199 MSRP).
- ✅Draws 95W instead of 140W, a 45W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with UHD Graphics 630, while Core i9-7920X needs a discrete GPU.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i9-7920X across 4 shared CPU benchmark tests.
- ❌Lower PassMark (14,397 vs 23,508).
- ❌Smaller total L3 cache (12 MB vs 17 MB).
Core i9-7920X
2017Why buy it
- ✅Better for gaming: +11.4% higher average FPS across 4 shared CPU benchmark tests.
- ✅+37.5% larger total L3 cache (17 MB vs 12 MB).
Trade-offs
- ❌Lower PassMark per dollar, at 19.6 vs 37.4 PassMark/$ ($1,199 MSRP vs $385 MSRP).
- ❌47.4% higher power demand at 140W vs 95W.
- ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.
Core i7-9700K
2018Core i9-7920X
2017Why buy it
- ✅Costs $814 less on MSRP ($385 MSRP vs $1,199 MSRP).
- ✅Delivers 90.7% more PassMark for each dollar spent, at 37.4 vs 19.6 PassMark/$ ($385 MSRP vs $1,199 MSRP).
- ✅Draws 95W instead of 140W, a 45W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
- ✅Integrated graphics onboard with UHD Graphics 630, while Core i9-7920X needs a discrete GPU.
Why buy it
- ✅Better for gaming: +11.4% higher average FPS across 4 shared CPU benchmark tests.
- ✅+37.5% larger total L3 cache (17 MB vs 12 MB).
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i9-7920X across 4 shared CPU benchmark tests.
- ❌Lower PassMark (14,397 vs 23,508).
- ❌Smaller total L3 cache (12 MB vs 17 MB).
Trade-offs
- ❌Lower PassMark per dollar, at 19.6 vs 37.4 PassMark/$ ($1,199 MSRP vs $385 MSRP).
- ❌47.4% higher power demand at 140W vs 95W.
- ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core i9-7920X better than Core i7-9700K?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Games Benchmarks
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2
| Preset | Core i7-9700K | Core i9-7920X |
|---|---|---|
| 1080p | ||
| low | 308 FPS | 163 FPS |
| medium | 278 FPS | 142 FPS |
| high | 231 FPS | 113 FPS |
| ultra | 182 FPS | 96 FPS |
| 1440p | ||
| low | 270 FPS | 140 FPS |
| medium | 221 FPS | 119 FPS |
| high | 178 FPS | 94 FPS |
| ultra | 143 FPS | 79 FPS |
| 4K | ||
| low | 170 FPS | 76 FPS |
| medium | 140 FPS | 70 FPS |
| high | 108 FPS | 55 FPS |
| ultra | 95 FPS | 43 FPS |

Counter-Strike 2
| Preset | Core i7-9700K | Core i9-7920X |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 352 FPS |
| medium | 321 FPS | 300 FPS |
| high | 291 FPS | 274 FPS |
| ultra | 259 FPS | 243 FPS |
| 1440p | ||
| low | 324 FPS | 315 FPS |
| medium | 282 FPS | 274 FPS |
| high | 258 FPS | 249 FPS |
| ultra | 225 FPS | 215 FPS |
| 4K | ||
| low | 249 FPS | 227 FPS |
| medium | 221 FPS | 201 FPS |
| high | 208 FPS | 191 FPS |
| ultra | 179 FPS | 162 FPS |

League of Legends
| Preset | Core i7-9700K | Core i9-7920X |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 560 FPS |
| medium | 360 FPS | 468 FPS |
| high | 360 FPS | 420 FPS |
| ultra | 360 FPS | 366 FPS |
| 1440p | ||
| low | 360 FPS | 507 FPS |
| medium | 360 FPS | 431 FPS |
| high | 360 FPS | 385 FPS |
| ultra | 360 FPS | 334 FPS |
| 4K | ||
| low | 360 FPS | 390 FPS |
| medium | 360 FPS | 322 FPS |
| high | 360 FPS | 284 FPS |
| ultra | 318 FPS | 231 FPS |

Valorant
| Preset | Core i7-9700K | Core i9-7920X |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 588 FPS |
| medium | 360 FPS | 588 FPS |
| high | 360 FPS | 588 FPS |
| ultra | 360 FPS | 588 FPS |
| 1440p | ||
| low | 360 FPS | 588 FPS |
| medium | 360 FPS | 588 FPS |
| high | 360 FPS | 579 FPS |
| ultra | 360 FPS | 502 FPS |
| 4K | ||
| low | 360 FPS | 531 FPS |
| medium | 360 FPS | 480 FPS |
| high | 360 FPS | 424 FPS |
| ultra | 360 FPS | 366 FPS |
Technical Specifications
Side-by-side comparison of Core i7-9700K and Core i9-7920X

Core i7-9700K
Core i7-9700K
The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018−2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

Core i9-7920X
Core i9-7920X
The Core i9-7920X is manufactured by Intel. It was released in 10 September 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 4.4 GHz. L3 cache: 16.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 23,508 points. Launch price was $1,199.
Processing Power
The Core i7-9700K packs 8 cores / 8 threads, while the Core i9-7920X offers 12 cores / 24 threads — the Core i9-7920X has 4 more cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 4.4 GHz on the Core i9-7920X — a 10.8% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2.9 GHz). The Core i7-9700K uses the Coffee Lake-R (2018−2019) architecture (14 nm), while the Core i9-7920X uses Skylake (server) (2017−2018) (14 nm). In PassMark, the Core i7-9700K scores 14,397 against the Core i9-7920X's 23,508 — a 48.1% lead for the Core i9-7920X. L3 cache: 12 MB (total) on the Core i7-9700K vs 16.5 MB (total) on the Core i9-7920X.
| Feature | Core i7-9700K | Core i9-7920X |
|---|---|---|
| Cores / Threads | 8 / 8 | 12 / 24+50% |
| Boost Clock | 4.9 GHz+11% | 4.4 GHz |
| Base Clock | 3.6 GHz+24% | 2.9 GHz |
| L3 Cache | 12 MB (total) | 16.5 MB (total)+38% |
| L2 Cache | 256K (per core) | 1 MB (per core)+300% |
| Process | 14 nm | 14 nm |
| Architecture | Coffee Lake-R (2018−2019) | Skylake (server) (2017−2018) |
| PassMark | 14,397 | 23,508+63% |
Memory & Platform
The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Core i9-7920X uses LGA2066 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Core i7-9700K | Core i9-7920X |
|---|---|---|
| Socket | LGA1151 | LGA2066 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization: VT-x, VT-d (Core i7-9700K) / not specified (Core i9-7920X). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Core i9-7920X requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop.
| Feature | Core i7-9700K | Core i9-7920X |
|---|---|---|
| Integrated GPU | Yes | — |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d | — |
| Target Use | Desktop | — |
Value Analysis
The Core i7-9700K launched at $385 MSRP, while the Core i9-7920X debuted at $1199. On MSRP ($385 vs $1199), the Core i7-9700K is $814 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 19.6 pts/$ for the Core i9-7920X — making the Core i7-9700K the 62.4% better value option.
| Feature | Core i7-9700K | Core i9-7920X |
|---|---|---|
| MSRP | $385-68% | $1199 |
| Performance per Dollar | 37.4+91% | 19.6 |
| Release Date | 2018 | 2017 |
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