
Xeon X5675 vs Core i7-4820K

Xeon X5675

Core i7-4820K
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. Components placed above yours deliver better value for money. The Xeon X5675 is positioned at rank 998 and the Core i7-4820K is on rank 800, so the Core i7-4820K offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5675
Performance Per Dollar Core i7-4820K
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5675 | Core i7-4820K |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($22) | ⚠️ Higher cost ($40) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Ivy Bridge-E (2013) / 22 nm) |
💎 Value Proposition
| Insight | Xeon X5675 | Core i7-4820K |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+79%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($22) | ⚠️ Higher cost ($40) |
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 i7-4820K

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 i7-4820K
The Core i7-4820K is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-E (2013) architecture. It features 4 cores and 8 threads. Base frequency is 3.7 GHz, with boost up to 3.9 GHz. L3 cache: 10 MB (total). L2 cache: 256 kB (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 6,515 points. Launch price was $399.
Processing Power
The Xeon X5675 packs 6 cores / 12 threads, while the Core i7-4820K offers 4 cores / 8 threads — the Xeon X5675 has 2 more cores. Boost clocks reach 3.46 GHz on the Xeon X5675 versus 3.9 GHz on the Core i7-4820K — a 12% clock advantage for the Core i7-4820K (base: 3.06 GHz vs 3.7 GHz). The Xeon X5675 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i7-4820K uses Ivy Bridge-E (2013) (22 nm). In PassMark, the Xeon X5675 scores 6,418 against the Core i7-4820K's 6,515 — a 1.5% lead for the Core i7-4820K. L3 cache: 12288 kB (total) on the Xeon X5675 vs 10 MB (total) on the Core i7-4820K.
| Feature | Xeon X5675 | Core i7-4820K |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 8 |
| Boost Clock | 3.46 GHz | 3.9 GHz+13% |
| Base Clock | 3.06 GHz | 3.7 GHz+21% |
| L3 Cache | 12288 kB (total)+20% | 10 MB (total) |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 32 nm | 22 nm-31% |
| Architecture | Westmere-EP (2010−2011) | Ivy Bridge-E (2013) |
| PassMark | 6,418 | 6,515+2% |
Memory & Platform
The Xeon X5675 uses the LGA1366 socket (PCIe 2.0), while the Core i7-4820K uses LGA2011 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon X5675 | Core i7-4820K |
|---|---|---|
| Socket | LGA1366 | LGA2011 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | — |
| RAM Channels | 3 | — |
| ECC Support | ✅ | — |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Xeon X5675) / not specified (Core i7-4820K). Primary use case: Xeon X5675 targets Workstation. Direct competitor: Xeon X5675 rivals Core i7-980X.
| Feature | Xeon X5675 | Core i7-4820K |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Workstation | — |
Value Analysis
The Xeon X5675 launched at $1440 MSRP, while the Core i7-4820K debuted at $332. At current prices ($22 vs $40), the Xeon X5675 is $18 cheaper. In terms of value (PassMark points per dollar), the Xeon X5675 delivers 291.7 pts/$ vs 162.9 pts/$ for the Core i7-4820K — making the Xeon X5675 the 56.7% better value option.
| Feature | Xeon X5675 | Core i7-4820K |
|---|---|---|
| MSRP | $1440 | $332-77% |
| Avg Price (30d) | $22-45% | $40 |
| Performance per Dollar | 291.7+79% | 162.9 |
| Release Date | 2011 | 2013 |
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