Xeon Silver 4208 vs Xeon Bronze 3508U
Xeon Silver 4208
Xeon Bronze 3508U
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 Silver 4208 is positioned at rank 329 and the Xeon Bronze 3508U is on rank 321, so the Xeon Bronze 3508U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon Silver 4208
Performance Per Dollar Xeon Bronze 3508U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4208 | Xeon Bronze 3508U |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Cascade Lake (2019−2020) / 14 nm) | ✨ Modern (Legacy / Intel 7 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4208 | Xeon Bronze 3508U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| 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 Silver 4208 and Xeon Bronze 3508U
Xeon Silver 4208
The Xeon Silver 4208 is manufactured by Intel. It was released in 2 April 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 3.2 GHz. L3 cache: 11 MB. L2 cache: 8 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 85 Watt. Memory support: DDR4-2400. Passmark benchmark score: 11,040 points. Launch price was $417.
Xeon Bronze 3508U
The Xeon Bronze 3508U is manufactured by Intel. It was released in 2015-01-01. It features 8 cores and 8 threads. Base frequency is 2.1 GHz, with boost up to 2.2 GHz. L3 cache: 22.5 MB. Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 125 Watt. Memory support: DDR5 @ 4400 MT/s (1 DPC &2DPC). Passmark benchmark score: 11,248 points. Launch price was $800.
Processing Power
The Xeon Silver 4208 packs 8 cores / 16 threads, matching the Xeon Bronze 3508U's 8 cores. Boost clocks reach 3.2 GHz on the Xeon Silver 4208 versus 2.2 GHz on the Xeon Bronze 3508U — a 37% clock advantage for the Xeon Silver 4208 (base: 2.1 GHz vs 2.1 GHz). The Xeon Silver 4208 is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Silver 4208 scores 11,040 against the Xeon Bronze 3508U's 11,248 — a 1.9% lead for the Xeon Bronze 3508U. L3 cache: 11 MB on the Xeon Silver 4208 vs 22.5 MB on the Xeon Bronze 3508U.
| Feature | Xeon Silver 4208 | Xeon Bronze 3508U |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 8 |
| Boost Clock | 3.2 GHz+45% | 2.2 GHz |
| Base Clock | 2.1 GHz | 2.1 GHz |
| L3 Cache | 11 MB | 22.5 MB+105% |
| L2 Cache | 8 MB | — |
| Process | 14 nm | Intel 7 nm-50% |
| Architecture | Cascade Lake (2019−2020) | — |
| PassMark | 11,040 | 11,248+2% |
Memory & Platform
The Xeon Silver 4208 uses the LGA3647 socket (PCIe 3.0), while the Xeon Bronze 3508U uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Silver 4208 | Xeon Bronze 3508U |
|---|---|---|
| Socket | LGA3647 | LGA4677 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
| Max RAM Speed | 2400 | — |
| Max RAM Capacity | 1024 | — |
| RAM Channels | 6 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 48 | — |
Advanced Features
Virtualization: VT-x, VT-d (Xeon Silver 4208) / not specified (Xeon Bronze 3508U).
| Feature | Xeon Silver 4208 | Xeon Bronze 3508U |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | Yes | — |
| Virtualization | VT-x, VT-d | — |
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