
Xeon X5675 vs Core i7-12700K

Xeon X5675

Core i7-12700K
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Xeon X5675 is positioned at rank #998 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5675
Performance Per Dollar Core i7-12700K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5675 | Core i7-12700K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($22) | ⚠️ Higher cost ($285) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Alder Lake, Golden Cove, Gracemont (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon X5675 | Core i7-12700K |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+142%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($22) | ⚠️ Higher cost ($285) |
Performance Check
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.
Technical Specifications
Side-by-side comparison of Xeon X5675 and Core i7-12700K

Xeon X5675
The Xeon X5675 is manufactured by Intel. It was released in 14 February 2011 (14 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 3.06 GHz, with boost up to 3.46 GHz. L3 cache: 12288 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,418 points. Launch price was $162.

Core i7-12700K
The Core i7-12700K is manufactured by Intel. It was released in 4 November 2021 (4 years ago). It is based on the Alder Lake, Golden Cove, Gracemont (2021) architecture. It features 12 cores and 20 threads. Base frequency is 3.6 GHz, with boost up to 5 GHz. L3 cache: 25 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 34,347 points. Launch price was $409.
Processing Power
The Xeon X5675 packs 6 cores / 12 threads, while the Core i7-12700K offers 12 cores / 20 threads — the Core i7-12700K has 6 more cores. Boost clocks reach 3.46 GHz on the Xeon X5675 versus 5 GHz on the Core i7-12700K — a 36.4% clock advantage for the Core i7-12700K (base: 3.06 GHz vs 3.6 GHz). The Xeon X5675 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i7-12700K uses Alder Lake, Golden Cove, Gracemont (2021) (10 nm). In PassMark, the Xeon X5675 scores 6,418 against the Core i7-12700K's 34,347 — a 137% lead for the Core i7-12700K. L3 cache: 12288 kB (total) on the Xeon X5675 vs 25 MB (total) on the Core i7-12700K.
| Feature | Xeon X5675 | Core i7-12700K |
|---|---|---|
| Cores / Threads | 6 / 12 | 12 / 20+100% |
| Boost Clock | 3.46 GHz | 5 GHz+45% |
| Base Clock | 3.06 GHz | 3.6 GHz+18% |
| L3 Cache | 12288 kB (total) | 25 MB (total)+108% |
| L2 Cache | 256 kB (per core) | 1.25 MB (per core)+400% |
| Process | 32 nm | 10 nm-69% |
| Architecture | Westmere-EP (2010−2011) | Alder Lake, Golden Cove, Gracemont (2021) |
| PassMark | 6,418 | 34,347+435% |
Memory & Platform
The Xeon X5675 uses the LGA1366 socket (PCIe 2.0), while the Core i7-12700K uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon X5675 versus 4800 on the Core i7-12700K — the Core i7-12700K supports 199.8% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 3 (Xeon X5675) vs 2 (Core i7-12700K). Chipset compatibility: Intel X58,Intel 5520 (Xeon X5675) and Z690,B660 (Core i7-12700K).
| Feature | Xeon X5675 | Core i7-12700K |
|---|---|---|
| Socket | LGA1366 | LGA1700 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | DDR3-1333 | 4800+159900% |
| Max RAM Capacity | — | 128 |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | — | 20 |
Advanced Features
Only the Core i7-12700K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: VT-x, VT-d, EPT (Xeon X5675) vs VT-x, VT-d (Core i7-12700K). The Core i7-12700K includes integrated graphics (Intel UHD Graphics 770), while the Xeon X5675 requires a dedicated GPU. Primary use case: Xeon X5675 targets Workstation. Direct competitor: Xeon X5675 rivals Core i7-980X; Core i7-12700K rivals Ryzen 7 5800X.
| Feature | Xeon X5675 | Core i7-12700K |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics 770 |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d |
| Target Use | Workstation | — |
Value Analysis
The Xeon X5675 launched at $1440 MSRP, while the Core i7-12700K debuted at $409. At current prices ($22 vs $285), the Xeon X5675 is $263 cheaper. In terms of value (PassMark points per dollar), the Xeon X5675 delivers 291.7 pts/$ vs 120.5 pts/$ for the Core i7-12700K — making the Xeon X5675 the 83.1% better value option.
| Feature | Xeon X5675 | Core i7-12700K |
|---|---|---|
| MSRP | $1440 | $409-72% |
| Avg Price (30d) | $22-92% | $285 |
| Performance per Dollar | 291.7+142% | 120.5 |
| Release Date | 2011 | 2021 |
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