
Xeon E5-1681 V3 vs Xeon E5-2658A V3

Xeon E5-1681 V3

Xeon E5-2658A V3
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 Xeon E5-1681 V3
Performance Per Dollar Xeon E5-2658A V3
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) | 🛑 Legacy (Haswell-EP (2014−2015) / 22 nm) |
💎 Value Proposition
| Insight | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+0%) |
| 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 E5-1681 V3 and Xeon E5-2658A V3

Xeon E5-1681 V3
The Xeon E5-1681 V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 10 cores and 20 threads. Base frequency is 2.9 GHz, with boost up to 3.5 GHz. L3 cache: 25 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 135 Watt. Memory support: DDR4-2133. Passmark benchmark score: 14,820 points. Launch price was $800.

Xeon E5-2658A V3
The Xeon E5-2658A V3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 2.2 GHz, with boost up to 2.9 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011-3. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2133. Passmark benchmark score: 14,879 points. Launch price was $800.
Processing Power
The Xeon E5-1681 V3 packs 10 cores / 20 threads, while the Xeon E5-2658A V3 offers 12 cores / 24 threads — the Xeon E5-2658A V3 has 2 more cores. Boost clocks reach 3.5 GHz on the Xeon E5-1681 V3 versus 2.9 GHz on the Xeon E5-2658A V3 — a 18.8% clock advantage for the Xeon E5-1681 V3 (base: 2.9 GHz vs 2.2 GHz). Both are built on the Haswell-EP (2014−2015) architecture using a 22 nm process. In PassMark, the Xeon E5-1681 V3 scores 14,820 against the Xeon E5-2658A V3's 14,879 — a 0.4% lead for the Xeon E5-2658A V3. L3 cache: 25 MB (total) on the Xeon E5-1681 V3 vs 30 MB (total) on the Xeon E5-2658A V3.
| Feature | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| Cores / Threads | 10 / 20 | 12 / 24+20% |
| Boost Clock | 3.5 GHz+21% | 2.9 GHz |
| Base Clock | 2.9 GHz+32% | 2.2 GHz |
| L3 Cache | 25 MB (total) | 30 MB (total)+20% |
| L2 Cache | 256K (per core) | 256K (per core) |
| Process | 22 nm | 22 nm |
| Architecture | Haswell-EP (2014−2015) | Haswell-EP (2014−2015) |
| PassMark | 14,820 | 14,879 |
| Geekbench 6 Single | 1,050 | — |
| Geekbench 6 Multi | 9,000 | — |
Memory & Platform
Both processors use the LGA2011-3 socket with PCIe 3.0. Both support up to DDR4-2133 memory speed. Both support up to 768 GB of RAM. Both feature 4-channel memory with ECC support. Both provide 40 PCIe lanes.
| Feature | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| Socket | LGA2011-3 | LGA2011-3 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2133 | DDR4-2133 |
| Max RAM Capacity | 768 GB | 768 GB |
| RAM Channels | 4 | 4 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 40 | 40 |
Advanced Features
Only the Xeon E5-2658A V3 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: Yes (Xeon E5-1681 V3) vs VT-x, VT-d (Xeon E5-2658A V3). Primary use case: Xeon E5-2658A V3 targets Server.
| Feature | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | — | No |
| AVX-512 | No | Yes |
| Virtualization | Yes | VT-x, VT-d |
| Target Use | — | Server |
Value Analysis
The Xeon E5-1681 V3 launched at $1589 MSRP, while the Xeon E5-2658A V3 debuted at $1832. At current prices ($200 vs $200), the Xeon E5-2658A V3 is $0 cheaper. In terms of value (PassMark points per dollar), the Xeon E5-1681 V3 delivers 74.1 pts/$ vs 74.4 pts/$ for the Xeon E5-2658A V3 — making the Xeon E5-2658A V3 the 0.4% better value option.
| Feature | Xeon E5-1681 V3 | Xeon E5-2658A V3 |
|---|---|---|
| MSRP | $1589-13% | $1832 |
| Avg Price (30d) | $200 | $200 |
| Performance per Dollar | 74.1 | 74.4 |
| Release Date | 2014 | 2015 |
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