Xeon X5675 vs Core i3-8300
Xeon X5675
Core i3-8300
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 i3-8300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5675 | Core i3-8300 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($22) | ⚠️ Higher cost ($136) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon X5675 | Core i3-8300 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+523%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($22) | ⚠️ Higher cost ($136) |
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 i3-8300
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 i3-8300
The Core i3-8300 is manufactured by Intel. It was released in 14 February 2018 (7 years ago). It is based on the Coffee Lake (2017−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.7 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 62 Watt. Memory support: DDR4-2400. Passmark benchmark score: 6,370 points. Launch price was $138.
Processing Power
The Xeon X5675 packs 6 cores / 12 threads, while the Core i3-8300 offers 4 cores / 4 threads — the Xeon X5675 has 2 more cores. Boost clocks reach 3.46 GHz on the Xeon X5675 versus 3.7 GHz on the Core i3-8300 — a 6.7% clock advantage for the Core i3-8300 (base: 3.06 GHz vs 3.7 GHz). The Xeon X5675 uses the Westmere-EP (2010−2011) architecture (32 nm), while the Core i3-8300 uses Coffee Lake (2017−2019) (14 nm). In PassMark, the Xeon X5675 scores 6,418 against the Core i3-8300's 6,370 — a 0.8% lead for the Xeon X5675. L3 cache: 12288 kB (total) on the Xeon X5675 vs 8 MB (total) on the Core i3-8300.
| Feature | Xeon X5675 | Core i3-8300 |
|---|---|---|
| Cores / Threads | 6 / 12+50% | 4 / 4 |
| Boost Clock | 3.46 GHz | 3.7 GHz+7% |
| Base Clock | 3.06 GHz | 3.7 GHz+21% |
| L3 Cache | 12288 kB (total)+50% | 8 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 32 nm | 14 nm-56% |
| Architecture | Westmere-EP (2010−2011) | Coffee Lake (2017−2019) |
| PassMark | 6,418 | 6,370 |
| Geekbench 6 Single | — | 1,327 |
Memory & Platform
The Xeon X5675 uses the LGA1366 socket (PCIe 2.0), while the Core i3-8300 uses LGA1151 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon X5675 versus DDR4-2400 on the Core i3-8300 — the Core i3-8300 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 3 (Xeon X5675) vs 2 (Core i3-8300). Chipset compatibility: Intel X58,Intel 5520 (Xeon X5675) and H310,B360,H370,Q370,Z370,Z390 (Core i3-8300).
| Feature | Xeon X5675 | Core i3-8300 |
|---|---|---|
| Socket | LGA1366 | LGA1151 |
| PCIe Generation | PCIe 2.0 | PCIe 3.0+50% |
| Max RAM Speed | DDR3-1333 | DDR4-2400+33% |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | — | 16 |
Advanced Features
Neither processor supports overclocking. Both support VT-x, VT-d, EPT virtualization. The Core i3-8300 includes integrated graphics (UHD Graphics 630), while the Xeon X5675 requires a dedicated GPU. Primary use case: Xeon X5675 targets Workstation, Core i3-8300 targets Mainstream Desktop. Direct competitor: Xeon X5675 rivals Core i7-980X; Core i3-8300 rivals Ryzen 3 2300X.
| Feature | Xeon X5675 | Core i3-8300 |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | UHD Graphics 630 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d, EPT | VT-x, VT-d, EPT |
| Target Use | Workstation | Mainstream Desktop |
Value Analysis
The Xeon X5675 launched at $1440 MSRP, while the Core i3-8300 debuted at $138. At current prices ($22 vs $136), the Xeon X5675 is $114 cheaper. In terms of value (PassMark points per dollar), the Xeon X5675 delivers 291.7 pts/$ vs 46.8 pts/$ for the Core i3-8300 — making the Xeon X5675 the 144.7% better value option.
| Feature | Xeon X5675 | Core i3-8300 |
|---|---|---|
| MSRP | $1440 | $138-90% |
| Avg Price (30d) | $22-84% | $136 |
| Performance per Dollar | 291.7+523% | 46.8 |
| Release Date | 2011 | 2018 |
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
You May Also Compare
Similar CPU comparisons based on Xeon X5675 and Core i3-8300
