Xeon E5-2643 v4 vs Xeon E5-4655 v4
Xeon E5-2643 v4
Xeon E5-4655 v4
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 v4 is positioned at rank 947 and the Xeon E5-4655 v4 is on rank 1019, so the Xeon E5-2643 v4 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 v4
Performance Per Dollar Xeon E5-4655 v4
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($555) | ⚠️ Higher cost ($4,616) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+740%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($555) | ⚠️ Higher cost ($4,616) |
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 v4 and Xeon E5-4655 v4
Xeon E5-2643 v4
The Xeon E5-2643 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 12 threads. Base frequency is 3.4 GHz, with boost up to 3.7 GHz. L3 cache: 20 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400. Passmark benchmark score: 11,024 points. Launch price was $1,552.
Xeon E5-4655 v4
The Xeon E5-4655 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 8 cores and 16 threads. Base frequency is 2.5 GHz, with boost up to 3.2 GHz. L3 cache: 30 MB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 135 Watt. Memory support: DDR4. Passmark benchmark score: 10,912 points. Launch price was $4,616.
Processing Power
The Xeon E5-2643 v4 packs 6 cores / 12 threads, while the Xeon E5-4655 v4 offers 8 cores / 16 threads — the Xeon E5-4655 v4 has 2 more cores. Boost clocks reach 3.7 GHz on the Xeon E5-2643 v4 versus 3.2 GHz on the Xeon E5-4655 v4 — a 14.5% clock advantage for the Xeon E5-2643 v4 (base: 3.4 GHz vs 2.5 GHz). Both are built on the Broadwell (2015−2019) architecture using a 14 nm process. In PassMark, the Xeon E5-2643 v4 scores 11,024 against the Xeon E5-4655 v4's 10,912 — a 1% lead for the Xeon E5-2643 v4. L3 cache: 20 MB on the Xeon E5-2643 v4 vs 30 MB on the Xeon E5-4655 v4.
| Feature | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| Cores / Threads | 6 / 12 | 8 / 16+33% |
| Boost Clock | 3.7 GHz+16% | 3.2 GHz |
| Base Clock | 3.4 GHz+36% | 2.5 GHz |
| L3 Cache | 20 MB | 30 MB+50% |
| L2 Cache | 1.5 MB | 2 MB+33% |
| Process | 14 nm | 14 nm |
| Architecture | Broadwell (2015−2019) | Broadwell (2015−2019) |
| PassMark | 11,024+1% | 10,912 |
Memory & Platform
Both processors use the LGA2011 socket with PCIe 5.0.
| Feature | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| Socket | LGA2011 | LGA2011 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | — | DDR4-2400 |
| Max RAM Capacity | — | 1536 GB |
| RAM Channels | — | 4 |
| ECC Support | — | ✅ |
| PCIe Lanes | — | 40 |
Advanced Features
Virtualization: not specified (Xeon E5-2643 v4) / VT-x, VT-d (Xeon E5-4655 v4). Primary use case: Xeon E5-4655 v4 targets Server.
| Feature | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| Integrated GPU | — | No |
| Unlocked | — | No |
| AVX-512 | — | No |
| Virtualization | — | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Xeon E5-2643 v4 launched at $1552 MSRP, while the Xeon E5-4655 v4 debuted at $4616.
| Feature | Xeon E5-2643 v4 | Xeon E5-4655 v4 |
|---|---|---|
| MSRP | $1552-66% | $4616 |
| Avg Price (30d) | $555 | — |
| Release Date | 2016 | 2016 |
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