Xeon W-2123 vs U300
Xeon W-2123
U300
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 U300 is on rank 372, so the U300 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 U300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon W-2123 | U300 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior 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) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon W-2123 | U300 |
|---|---|---|
| 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 U300
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.
U300
The U300 is manufactured by Intel. It was released in 1 January 2023 (2 years ago). 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: DDR5-5200, DDR4-3200, LPDDR4x-4267. Passmark benchmark score: 8,492 points. Launch price was $149.
Processing Power
The Xeon W-2123 packs 4 cores / 8 threads, while the U300 offers 5 cores / 6 threads — the U300 has 1 more core. Boost clocks reach 3.9 GHz on the Xeon W-2123 versus 4.4 GHz on the U300 — a 12% clock advantage for the U300. The Xeon W-2123 is built on the Skylake (server) (2017−2018) architecture. In PassMark, the Xeon W-2123 scores 8,519 against the U300's 8,492 — a 0.3% lead for the Xeon W-2123. L3 cache: 8.25 MB (total) on the Xeon W-2123 vs 8 MB Intel® Smart Cache on the U300.
| Feature | Xeon W-2123 | U300 |
|---|---|---|
| Cores / Threads | 4 / 8 | 5 / 6+25% |
| Boost Clock | 3.9 GHz | 4.4 GHz+13% |
| Base Clock | 3.6 GHz | — |
| L3 Cache | 8.25 MB (total)+3% | 8 MB Intel® Smart Cache |
| L2 Cache | 1 MB (per core) | — |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Skylake (server) (2017−2018) | — |
| PassMark | 8,519 | 8,492 |
| 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 U300 uses FCBGA1744 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon W-2123 | U300 |
|---|---|---|
| Socket | LGA2066 | FCBGA1744 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| 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 (U300).
| Feature | Xeon W-2123 | U300 |
|---|---|---|
| Integrated GPU | No | — |
| AVX-512 | Yes | — |
| Virtualization | Yes | — |
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