Core i3-8300 vs Xeon X5675
Core i3-8300
Xeon X5675
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.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-8300
Performance Per Dollar Xeon X5675
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-8300 | Xeon X5675 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($136) | ✅ More affordable ($22) |
| Longevity | ✨ Modern (Coffee Lake (2017−2019) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-8300 | Xeon X5675 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+523%) |
| Upfront Cost | ⚠️ Higher cost ($136) | ✅ More affordable ($22) |
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 Core i3-8300 and Xeon X5675
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.
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.
Processing Power
The Core i3-8300 packs 4 cores / 4 threads, while the Xeon X5675 offers 6 cores / 12 threads — the Xeon X5675 has 2 more cores. Boost clocks reach 3.7 GHz on the Core i3-8300 versus 3.46 GHz on the Xeon X5675 — a 6.7% clock advantage for the Core i3-8300 (base: 3.7 GHz vs 3.06 GHz). The Core i3-8300 uses the Coffee Lake (2017−2019) architecture (14 nm), while the Xeon X5675 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i3-8300 scores 6,370 against the Xeon X5675's 6,418 — a 0.8% lead for the Xeon X5675. L3 cache: 8 MB (total) on the Core i3-8300 vs 12288 kB (total) on the Xeon X5675.
| Feature | Core i3-8300 | Xeon X5675 |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 12+50% |
| Boost Clock | 3.7 GHz+7% | 3.46 GHz |
| Base Clock | 3.7 GHz+21% | 3.06 GHz |
| L3 Cache | 8 MB (total) | 12288 kB (total)+50% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Coffee Lake (2017−2019) | Westmere-EP (2010−2011) |
| PassMark | 6,370 | 6,418 |
| Geekbench 6 Single | 1,327 | — |
Memory & Platform
The Core i3-8300 uses the LGA1151 socket (PCIe 3.0), while the Xeon X5675 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2400 on the Core i3-8300 versus DDR3-1333 on the Xeon X5675 — the Core i3-8300 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i3-8300) vs 3 (Xeon X5675). Chipset compatibility: H310,B360,H370,Q370,Z370,Z390 (Core i3-8300) and Intel X58,Intel 5520 (Xeon X5675).
| Feature | Core i3-8300 | Xeon X5675 |
|---|---|---|
| Socket | LGA1151 | LGA1366 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
| Max RAM Speed | DDR4-2400+33% | DDR3-1333 |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | 3+50% |
| 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: Core i3-8300 targets Mainstream Desktop, Xeon X5675 targets Workstation. Direct competitor: Core i3-8300 rivals Ryzen 3 2300X; Xeon X5675 rivals Core i7-980X.
| Feature | Core i3-8300 | Xeon X5675 |
|---|---|---|
| Integrated GPU | Yes | No |
| 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 | Mainstream Desktop | Workstation |
Value Analysis
The Core i3-8300 launched at $138 MSRP, while the Xeon X5675 debuted at $1440. At current prices ($136 vs $22), the Xeon X5675 is $114 cheaper. In terms of value (PassMark points per dollar), the Core i3-8300 delivers 46.8 pts/$ vs 291.7 pts/$ for the Xeon X5675 — making the Xeon X5675 the 144.7% better value option.
| Feature | Core i3-8300 | Xeon X5675 |
|---|---|---|
| MSRP | $138-90% | $1440 |
| Avg Price (30d) | $136 | $22-84% |
| Performance per Dollar | 46.8 | 291.7+523% |
| Release Date | 2018 | 2011 |
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