
Core i7-9700K
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Xeon X7550
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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
- ✅Better for gaming: +62.9% higher average FPS across 46 shared CPU benchmark tests.
- ✅Costs $1,115 less on MSRP ($385 MSRP vs $1,500 MSRP).
- ✅Delivers 612.5% more PassMark for each dollar spent, at 37.4 vs 5.2 PassMark/$ ($385 MSRP vs $1,500 MSRP).
- ✅Draws 95W instead of 130W, a 35W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Smaller total L3 cache (12 MB vs 18 MB).
- ❌Less compelling for workstation-style loads than Xeon X7550, which brings 8 cores / 16 threads.
Xeon X7550
2010Why buy it
- ✅+50% larger total L3 cache (18 MB vs 12 MB).
- ✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-9700K across 46 shared CPU benchmark tests.
- ❌Lower PassMark (7,873 vs 14,397).
- ❌Lower PassMark per dollar, at 5.2 vs 37.4 PassMark/$ ($1,500 MSRP vs $385 MSRP).
- ❌36.8% higher power demand at 130W vs 95W.
- ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.
Core i7-9700K
2018Xeon X7550
2010Why buy it
- ✅Better for gaming: +62.9% higher average FPS across 46 shared CPU benchmark tests.
- ✅Costs $1,115 less on MSRP ($385 MSRP vs $1,500 MSRP).
- ✅Delivers 612.5% more PassMark for each dollar spent, at 37.4 vs 5.2 PassMark/$ ($385 MSRP vs $1,500 MSRP).
- ✅Draws 95W instead of 130W, a 35W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
Why buy it
- ✅+50% larger total L3 cache (18 MB vs 12 MB).
- ✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.
Trade-offs
- ❌Smaller total L3 cache (12 MB vs 18 MB).
- ❌Less compelling for workstation-style loads than Xeon X7550, which brings 8 cores / 16 threads.
Trade-offs
- ❌Worse for gaming: lower average FPS than Core i7-9700K across 46 shared CPU benchmark tests.
- ❌Lower PassMark (7,873 vs 14,397).
- ❌Lower PassMark per dollar, at 5.2 vs 37.4 PassMark/$ ($1,500 MSRP vs $385 MSRP).
- ❌36.8% higher power demand at 130W vs 95W.
- ❌No integrated graphics, while Core i7-9700K can still boot and troubleshoot without a discrete GPU.
Quick Answers
So, is Core i7-9700K better than Xeon X7550?
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 | Xeon X7550 |
|---|---|---|
| 1080p | ||
| low | 308 FPS | 169 FPS |
| medium | 278 FPS | 134 FPS |
| high | 231 FPS | 109 FPS |
| ultra | 182 FPS | 87 FPS |
| 1440p | ||
| low | 270 FPS | 138 FPS |
| medium | 221 FPS | 108 FPS |
| high | 178 FPS | 86 FPS |
| ultra | 143 FPS | 68 FPS |
| 4K | ||
| low | 170 FPS | 65 FPS |
| medium | 140 FPS | 55 FPS |
| high | 108 FPS | 43 FPS |
| ultra | 95 FPS | 34 FPS |

Counter-Strike 2
| Preset | Core i7-9700K | Xeon X7550 |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 187 FPS |
| medium | 321 FPS | 167 FPS |
| high | 291 FPS | 144 FPS |
| ultra | 259 FPS | 118 FPS |
| 1440p | ||
| low | 324 FPS | 161 FPS |
| medium | 282 FPS | 147 FPS |
| high | 258 FPS | 127 FPS |
| ultra | 225 FPS | 103 FPS |
| 4K | ||
| low | 249 FPS | 105 FPS |
| medium | 221 FPS | 96 FPS |
| high | 208 FPS | 85 FPS |
| ultra | 179 FPS | 68 FPS |

League of Legends
| Preset | Core i7-9700K | Xeon X7550 |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 360 FPS | 197 FPS |
| 1440p | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 360 FPS | 197 FPS |
| 4K | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 318 FPS | 197 FPS |

Valorant
| Preset | Core i7-9700K | Xeon X7550 |
|---|---|---|
| 1080p | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 360 FPS | 197 FPS |
| 1440p | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 360 FPS | 197 FPS |
| 4K | ||
| low | 360 FPS | 197 FPS |
| medium | 360 FPS | 197 FPS |
| high | 360 FPS | 197 FPS |
| ultra | 360 FPS | 197 FPS |
Technical Specifications
Side-by-side comparison of Core i7-9700K and Xeon X7550

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.

Xeon X7550
Xeon X7550
The Xeon X7550 is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 16 threads. Base frequency is 2 GHz, with boost up to 2.4 GHz. L3 cache: 18 MB L3 Cache. Built on 45 nm process technology. Socket: LGA1567. Thermal design power (TDP): 130 Watt. Memory support: DDR3-800, DDR3-978, DDR3-1066, DDR3-1333, Speed-1066. Passmark benchmark score: 7,873 points. Launch price was $800.
Processing Power
The Core i7-9700K packs 8 cores / 8 threads, matching the Xeon X7550's 8 cores. Boost clocks reach 4.9 GHz on the Core i7-9700K versus 2.4 GHz on the Xeon X7550 — a 68.5% clock advantage for the Core i7-9700K (base: 3.6 GHz vs 2 GHz). The Core i7-9700K is built on the Coffee Lake-R (2018−2019) architecture. In PassMark, the Core i7-9700K scores 14,397 against the Xeon X7550's 7,873 — a 58.6% lead for the Core i7-9700K. L3 cache: 12 MB (total) on the Core i7-9700K vs 18 MB L3 Cache on the Xeon X7550.
| Feature | Core i7-9700K | Xeon X7550 |
|---|---|---|
| Cores / Threads | 8 / 8 | 8 / 16 |
| Boost Clock | 4.9 GHz+104% | 2.4 GHz |
| Base Clock | 3.6 GHz+80% | 2 GHz |
| L3 Cache | 12 MB (total) | 18 MB L3 Cache+50% |
| L2 Cache | 256K (per core) | — |
| Process | 14 nm-69% | 45 nm |
| Architecture | Coffee Lake-R (2018−2019) | — |
| PassMark | 14,397+83% | 7,873 |
Memory & Platform
The Core i7-9700K uses the LGA1151 socket (PCIe 3.0), while the Xeon X7550 uses LGA1567 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i7-9700K versus DDR3-1333 on the Xeon X7550 — the Core i7-9700K supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i7-9700K) vs 4 (Xeon X7550). Chipset compatibility: Intel 300 series (Core i7-9700K) and Nehalem-EX (Xeon X7550).
| Feature | Core i7-9700K | Xeon X7550 |
|---|---|---|
| Socket | LGA1151 | LGA1567 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2666+33% | DDR3-1333 |
| Max RAM Capacity | 128 GB | — |
| RAM Channels | 2 | 4+100% |
| ECC Support | No | Yes |
| PCIe Lanes | 16 | — |
Advanced Features
Only the Core i7-9700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d (Core i7-9700K) vs VT-x, VT-d, EPT (Xeon X7550). The Core i7-9700K includes integrated graphics (UHD Graphics 630), while the Xeon X7550 requires a dedicated GPU. Primary use case: Core i7-9700K targets Desktop, Xeon X7550 targets Server. Direct competitor: Xeon X7550 rivals Core i7-980X.
| Feature | Core i7-9700K | Xeon X7550 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | UHD Graphics 630 | — |
| Unlocked | Yes | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | Desktop | Server |
Value Analysis
The Core i7-9700K launched at $385 MSRP, while the Xeon X7550 debuted at $1500. On MSRP ($385 vs $1500), the Core i7-9700K is $1115 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-9700K delivers 37.4 pts/$ vs 5.2 pts/$ for the Xeon X7550 — making the Core i7-9700K the 150.8% better value option.
| Feature | Core i7-9700K | Xeon X7550 |
|---|---|---|
| MSRP | $385-74% | $1500 |
| Performance per Dollar | 37.4+619% | 5.2 |
| Release Date | 2018 | 2010 |
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