Xeon E5-2643 v4 vs Xeon E5-4650 v2
Xeon E5-2643 v4
Xeon E5-4650 v2
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 E5-4650 v2 is on rank 958, 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 E5-4650 v2
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2643 v4 | Xeon E5-4650 v2 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($555) | ✅ More affordable ($48) |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | 🛑 Legacy (Legacy / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-2643 v4 | Xeon E5-4650 v2 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1048%) |
| Upfront Cost | ⚠️ Higher cost ($555) | ✅ More affordable ($48) |
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 E5-4650 v2
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 E5-4650 v2
The Xeon E5-4650 v2 is manufactured by Intel. It was released in 2015-01-01. It features 10 cores and 20 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 25 MB Intel® Smart Cache. Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 95 Watt. Memory support: DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866. Passmark benchmark score: 10,946 points. Launch price was $800.
Processing Power
The Xeon E5-2643 v4 packs 6 cores / 12 threads, while the Xeon E5-4650 v2 offers 10 cores / 20 threads — the Xeon E5-4650 v2 has 4 more cores. Boost clocks reach 3.7 GHz on the Xeon E5-2643 v4 versus 2.9 GHz on the Xeon E5-4650 v2 — a 24.2% clock advantage for the Xeon E5-2643 v4 (base: 3.4 GHz vs 2.4 GHz). The Xeon E5-2643 v4 is built on the Broadwell (2015−2019) architecture. In PassMark, the Xeon E5-2643 v4 scores 11,024 against the Xeon E5-4650 v2's 10,946 — a 0.7% lead for the Xeon E5-2643 v4. L3 cache: 20 MB on the Xeon E5-2643 v4 vs 25 MB Intel® Smart Cache on the Xeon E5-4650 v2.
| Feature | Xeon E5-2643 v4 | Xeon E5-4650 v2 |
|---|---|---|
| Cores / Threads | 6 / 12 | 10 / 20+67% |
| Boost Clock | 3.7 GHz+28% | 2.9 GHz |
| Base Clock | 3.4 GHz+42% | 2.4 GHz |
| L3 Cache | 20 MB | 25 MB Intel® Smart Cache+25% |
| L2 Cache | 1.5 MB | — |
| Process | 14 nm-36% | 22 nm |
| Architecture | Broadwell (2015−2019) | — |
| PassMark | 11,024 | 10,946 |
Memory & Platform
Both processors use the LGA2011 socket with PCIe 5.0.
| Feature | Xeon E5-2643 v4 | Xeon E5-4650 v2 |
|---|---|---|
| Socket | LGA2011 | LGA2011 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
Value Analysis
The Xeon E5-2643 v4 launched at $1552 MSRP, while the Xeon E5-4650 v2 debuted at $1723. At current prices ($555 vs $48), the Xeon E5-4650 v2 is $507 cheaper. In terms of value (PassMark points per dollar), the Xeon E5-2643 v4 delivers 19.9 pts/$ vs 228.0 pts/$ for the Xeon E5-4650 v2 — making the Xeon E5-4650 v2 the 168% better value option.
| Feature | Xeon E5-2643 v4 | Xeon E5-4650 v2 |
|---|---|---|
| MSRP | $1552-10% | $1723 |
| Avg Price (30d) | $555 | $48-91% |
| Performance per Dollar | 19.9 | 228.0+1046% |
| Release Date | 2016 | 2014 |
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