
Xeon E5-2643 v2

Pentium Gold 8505
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 E5-2643 v2 is positioned at rank 308 and the Pentium Gold 8505 is on rank 471, so the Xeon E5-2643 v2 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2643 v2
Performance Per Dollar Pentium Gold 8505
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2643 v2 | Pentium Gold 8505 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Ivy Bridge-EP (2013) / 22 nm) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon E5-2643 v2 | Pentium Gold 8505 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 E5-2643 v2 and Pentium Gold 8505

Xeon E5-2643 v2
The Xeon E5-2643 v2 is manufactured by Intel. It was released in 1 September 2013 (12 years ago). It is based on the Ivy Bridge-EP (2013) architecture. It features 6 cores and 12 threads. Base frequency is 3.5 GHz, with boost up to 3.8 GHz. L3 cache: 15 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: 9,172 points. Launch price was $2,200.

Pentium Gold 8505
The Pentium Gold 8505 is manufactured by Intel. It was released in 2007-01-01. It features 5 cores and 6 threads. Max frequency: 4.4 GHz. L3 cache: 8 MB Intel® Smart Cache. Built on Intel 7 nm process technology. Socket: FCBGA1744. Thermal design power (TDP): 55 Watt. Memory support: DDR5-4800, DDR4-3200, LPDDR5-5200, LPDDR4x-4267. Passmark benchmark score: 9,167 points. Launch price was $69.
Processing Power
The Xeon E5-2643 v2 packs 6 cores / 12 threads, while the Pentium Gold 8505 offers 5 cores / 6 threads — the Xeon E5-2643 v2 has 1 more core. Boost clocks reach 3.8 GHz on the Xeon E5-2643 v2 versus 4.4 GHz on the Pentium Gold 8505 — a 14.6% clock advantage for the Pentium Gold 8505. The Xeon E5-2643 v2 is built on the Ivy Bridge-EP (2013) architecture. In PassMark, the Xeon E5-2643 v2 scores 9,172 against the Pentium Gold 8505's 9,167 — a 0.1% lead for the Xeon E5-2643 v2. L3 cache: 15 MB (total) on the Xeon E5-2643 v2 vs 8 MB Intel® Smart Cache on the Pentium Gold 8505.
| Feature | Xeon E5-2643 v2 | Pentium Gold 8505 |
|---|---|---|
| Cores / Threads | 6 / 12+20% | 5 / 6 |
| Boost Clock | 3.8 GHz | 4.4 GHz+16% |
| Base Clock | 3.5 GHz | — |
| L3 Cache | 15 MB (total)+88% | 8 MB Intel® Smart Cache |
| L2 Cache | 256 kB (per core) | — |
| Process | 22 nm | Intel 7 nm-68% |
| Architecture | Ivy Bridge-EP (2013) | — |
| PassMark | 9,172 | 9,167 |
| Geekbench 6 Single | — | 1,550 |
| Geekbench 6 Multi | — | 4,055 |
Memory & Platform
The Xeon E5-2643 v2 uses the LGA2011 socket (PCIe 5.0), while the Pentium Gold 8505 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2643 v2 | Pentium Gold 8505 |
|---|---|---|
| Socket | LGA2011 | FCBGA1744 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | — | DDR5-4800 |
| Max RAM Capacity | — | 64 GB |
| RAM Channels | — | 2 |
| ECC Support | — | ❌ |
| PCIe Lanes | — | 20 |
Advanced Features
Virtualization: not specified (Xeon E5-2643 v2) / Yes (Pentium Gold 8505). The Pentium Gold 8505 includes integrated graphics (UHD Graphics), while the Xeon E5-2643 v2 requires a dedicated GPU.
| Feature | Xeon E5-2643 v2 | Pentium Gold 8505 |
|---|---|---|
| Integrated GPU | — | Yes |
| IGPU Model | — | UHD Graphics |
| AVX-512 | — | No |
| Virtualization | — | Yes |
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