Xeon w7-3555 vs Xeon Gold 6448H
Xeon w7-3555
Xeon Gold 6448H
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 w7-3555
Performance Per Dollar Xeon Gold 6448H
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($2,199) | ⚠️ Higher cost ($3,658) |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+60%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($2,199) | ⚠️ Higher cost ($3,658) |
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 w7-3555 and Xeon Gold 6448H
Xeon w7-3555
The Xeon w7-3555 is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 75 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 325 Watt. Memory support: DDR5-4800. Passmark benchmark score: 67,754 points. Launch price was $2,339.
Xeon Gold 6448H
The Xeon Gold 6448H is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.
Processing Power
The Xeon w7-3555 packs 28 cores / 56 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 4 more cores. Boost clocks reach 4.8 GHz on the Xeon w7-3555 versus 4.1 GHz on the Xeon Gold 6448H — a 15.7% clock advantage for the Xeon w7-3555 (base: 2.7 GHz vs 2.4 GHz). Both are built on the Sapphire Rapids (2023−2024) architecture using a Intel 7 nm process. In PassMark, the Xeon w7-3555 scores 67,754 against the Xeon Gold 6448H's 70,292 — a 3.7% lead for the Xeon Gold 6448H. L3 cache: 75 MB on the Xeon w7-3555 vs 60 MB on the Xeon Gold 6448H.
| Feature | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| Cores / Threads | 28 / 56 | 32 / 64+14% |
| Boost Clock | 4.8 GHz+17% | 4.1 GHz |
| Base Clock | 2.7 GHz+13% | 2.4 GHz |
| L3 Cache | 75 MB+25% | 60 MB |
| L2 Cache | 2 MB (per core) | 2 MB (per core) |
| Process | Intel 7 nm | Intel 7 nm |
| Architecture | Sapphire Rapids (2023−2024) | Sapphire Rapids (2023−2024) |
| PassMark | 67,754 | 70,292+4% |
| Geekbench 6 Single | 2,300 | — |
| Geekbench 6 Multi | 17,120 | — |
Memory & Platform
Both processors use the LGA4677 socket with PCIe 5.0. Maximum memory speed reaches DDR5-4800 on the Xeon w7-3555 versus 4800 on the Xeon Gold 6448H — the Xeon Gold 6448H supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 4096 GB of RAM. Both feature 8-channel memory with ECC support. PCIe lanes: 112 (Xeon w7-3555) vs 80 (Xeon Gold 6448H) — the Xeon w7-3555 offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W790 (Xeon w7-3555) and C741 (Xeon Gold 6448H).
| Feature | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| Socket | LGA4677 | LGA4677 |
| PCIe Generation | PCIe 5.0 | PCIe 5.0 |
| Max RAM Speed | DDR5-4800 | 4800+95900% |
| Max RAM Capacity | 4096 GB+104857500% | 4096 |
| RAM Channels | 8 | 8 |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 112+40% | 80 |
Advanced Features
Only the Xeon w7-3555 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: true (Xeon w7-3555) vs VT-x, VT-d (Xeon Gold 6448H). Direct competitor: Xeon w7-3555 rivals Threadripper PRO 7965WX; Xeon Gold 6448H rivals EPYC 9454.
| Feature | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | true | VT-x, VT-d |
Value Analysis
The Xeon w7-3555 launched at $2749 MSRP, while the Xeon Gold 6448H debuted at $3658.
| Feature | Xeon w7-3555 | Xeon Gold 6448H |
|---|---|---|
| MSRP | $2749-25% | $3658 |
| Avg Price (30d) | $2199 | — |
| Release Date | 2024 | 2023 |
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