Xeon W-2123 vs Xeon E3-1585 v5
Xeon W-2123
Xeon E3-1585 v5
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 W-2123 is positioned at rank 497 and the Xeon E3-1585 v5 is on rank 345, so the Xeon E3-1585 v5 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon W-2123
Performance Per Dollar Xeon E3-1585 v5
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-2123 | Xeon E3-1585 v5 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($342) | ✅ More affordable ($0) |
| Longevity | ✨ Modern (Skylake (server) (2017−2018) / 14 nm) | 🛑 Legacy (Skylake-H (2015−2016) / 14 nm) |
💎 Value Proposition
| Insight | Xeon W-2123 | Xeon E3-1585 v5 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($342) | ✅ 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 Xeon W-2123 and Xeon E3-1585 v5
Xeon W-2123
The Xeon W-2123 is manufactured by Intel. It was released in 29 August 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 4 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 3.9 GHz. L3 cache: 8.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 120 Watt. Memory support: DDR4-1600, DDR4-1866, DDR4-2133, DDR4-2400, DDR4-2666. Passmark benchmark score: 8,519 points. Launch price was $294.
Xeon E3-1585 v5
The Xeon E3-1585 v5 is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Skylake-H (2015−2016) architecture. It features 4 cores and 8 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 65 Watt. Memory support: DDR3L,LPDDR3 1600 MHz, DDR4 2133 MHz at 1.2V. Passmark benchmark score: 8,408 points. Launch price was $556.
Processing Power
Both the Xeon W-2123 and Xeon E3-1585 v5 share an identical 4-core/8-thread configuration. Boost clocks reach 3.9 GHz on the Xeon W-2123 versus 3.9 GHz on the Xeon E3-1585 v5 — identical boost frequencies (base: 3.6 GHz vs 3.5 GHz). The Xeon W-2123 uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon E3-1585 v5 uses Skylake-H (2015−2016) (14 nm). In PassMark, the Xeon W-2123 scores 8,519 against the Xeon E3-1585 v5's 8,408 — a 1.3% lead for the Xeon W-2123. L3 cache: 8.25 MB (total) on the Xeon W-2123 vs 8 MB (total) on the Xeon E3-1585 v5.
| Feature | Xeon W-2123 | Xeon E3-1585 v5 |
|---|---|---|
| Cores / Threads | 4 / 8 | 4 / 8 |
| Boost Clock | 3.9 GHz | 3.9 GHz |
| Base Clock | 3.6 GHz+3% | 3.5 GHz |
| L3 Cache | 8.25 MB (total)+3% | 8 MB (total) |
| L2 Cache | 1 MB (per core)+300% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (server) (2017−2018) | Skylake-H (2015−2016) |
| PassMark | 8,519+1% | 8,408 |
| Geekbench 6 Single | 1,172 | — |
| Geekbench 6 Multi | 4,215 | — |
Memory & Platform
The Xeon W-2123 uses the LGA2066 socket (PCIe 3.0), while the Xeon E3-1585 v5 uses BGA1440 (PCIe 5.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-2123 | Xeon E3-1585 v5 |
|---|---|---|
| Socket | LGA2066 | BGA1440 |
| PCIe Generation | PCIe 3.0 | PCIe 5.0+67% |
| Max RAM Speed | DDR4-2666 | — |
| Max RAM Capacity | 512 GB | — |
| RAM Channels | 4 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 48 | — |
Advanced Features
Virtualization: Yes (Xeon W-2123) / not specified (Xeon E3-1585 v5).
| Feature | Xeon W-2123 | Xeon E3-1585 v5 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | Yes | — |
| Virtualization | Yes | — |
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