Core i3-6320 vs Xeon X5647
Core i3-6320
Xeon X5647
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 Core i3-6320 is positioned at rank 630 and the Xeon X5647 is on rank 593, so the Xeon X5647 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i3-6320
Performance Per Dollar Xeon X5647
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i3-6320 | Xeon X5647 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) |
💎 Value Proposition
| Insight | Core i3-6320 | Xeon X5647 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($35) | ✅ More affordable ($0) |
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 i3-6320 and Xeon X5647
Core i3-6320
The Core i3-6320 is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 3.9 GHz, with boost up to 3.9 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 51 Watt. Memory support: DDR4. Passmark benchmark score: 4,421 points. Launch price was $157.
Xeon X5647
The Xeon X5647 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 4 cores and 8 threads. Base frequency is 2.93 GHz, with boost up to 3.2 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 130 Watt. Memory support: DDR3. Passmark benchmark score: 4,441 points. Launch price was $175.
Processing Power
The Core i3-6320 packs 2 cores / 4 threads, while the Xeon X5647 offers 4 cores / 8 threads — the Xeon X5647 has 2 more cores. Boost clocks reach 3.9 GHz on the Core i3-6320 versus 3.2 GHz on the Xeon X5647 — a 19.7% clock advantage for the Core i3-6320 (base: 3.9 GHz vs 2.93 GHz). The Core i3-6320 uses the Skylake (2015−2016) architecture (14 nm), while the Xeon X5647 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i3-6320 scores 4,421 against the Xeon X5647's 4,441 — a 0.5% lead for the Xeon X5647. L3 cache: 4 MB (total) on the Core i3-6320 vs 12 MB (total) on the Xeon X5647.
| Feature | Core i3-6320 | Xeon X5647 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 8+100% |
| Boost Clock | 3.9 GHz+22% | 3.2 GHz |
| Base Clock | 3.9 GHz+33% | 2.93 GHz |
| L3 Cache | 4 MB (total) | 12 MB (total)+200% |
| L2 Cache | 256K (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Skylake (2015−2016) | Westmere-EP (2010−2011) |
| PassMark | 4,421 | 4,441 |
| Cinebench R23 Multi | 2,853 | — |
| Geekbench 6 Single | 1,311 | — |
| Geekbench 6 Multi | 2,730 | — |
Memory & Platform
The Core i3-6320 uses the LGA1151 socket (PCIe 3.0), while the Xeon X5647 uses LGA1366 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i3-6320 versus DDR3-1066 on the Xeon X5647 — the Core i3-6320 supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i3-6320) vs 3 (Xeon X5647). Chipset compatibility: H110,H170,Z170,Q170,Q150,B150,B250,H270,Z270,Q270,Q250 (Core i3-6320) and Intel X58,Intel 5520 (Xeon X5647).
| Feature | Core i3-6320 | Xeon X5647 |
|---|---|---|
| Socket | LGA1151 | LGA1366 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2133+33% | DDR3-1066 |
| Max RAM Capacity | 64 GB | — |
| RAM Channels | 2 | 3+50% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 16 | — |
Advanced Features
Virtualization support: Yes (Core i3-6320) vs VT-x, VT-d (Xeon X5647). The Core i3-6320 includes integrated graphics (Intel HD Graphics 530), while the Xeon X5647 requires a dedicated GPU. Primary use case: Xeon X5647 targets Workstation. Direct competitor: Xeon X5647 rivals Core i7-980X.
| Feature | Core i3-6320 | Xeon X5647 |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | Intel HD Graphics 530 | — |
| Unlocked | — | No |
| AVX-512 | No | No |
| Virtualization | Yes | VT-x, VT-d |
| Target Use | — | Workstation |
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