CPU
GPU
Xeon Silver 4509Y
Xeon Silver 4309Y
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 Silver 4509Y
Performance Per Dollar Xeon Silver 4309Y
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon Silver 4509Y | Xeon Silver 4309Y |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm) | ✨ Modern (Ice Lake-SP (2021) / 10 nm) |
💎 Value Proposition
| Insight | Xeon Silver 4509Y | Xeon Silver 4309Y |
|---|---|---|
| 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 4509Y and Xeon Silver 4309Y
Xeon Silver 4509Y
The Xeon Silver 4509Y is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 2.6 GHz, with boost up to 4.1 GHz. L3 cache: 22.5 MB (total). L2 cache: 2 MB (per core). 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: 18,749 points. Launch price was $563.
Xeon Silver 4309Y
The Xeon Silver 4309Y is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 3.6 GHz. L3 cache: 12 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 105 Watt. Memory support: DDR4-2667. Passmark benchmark score: 18,718 points. Launch price was $800.
Processing Power
Both the Xeon Silver 4509Y and Xeon Silver 4309Y share an identical 8-core/16-thread configuration. Boost clocks reach 4.1 GHz on the Xeon Silver 4509Y versus 3.6 GHz on the Xeon Silver 4309Y — a 13% clock advantage for the Xeon Silver 4509Y (base: 2.6 GHz vs 2.8 GHz). The Xeon Silver 4509Y uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Xeon Silver 4309Y uses Ice Lake-SP (2021) (10 nm). In PassMark, the Xeon Silver 4509Y scores 18,749 against the Xeon Silver 4309Y's 18,718 — a 0.2% lead for the Xeon Silver 4509Y. L3 cache: 22.5 MB (total) on the Xeon Silver 4509Y vs 12 MB (total) on the Xeon Silver 4309Y.
| Feature | Xeon Silver 4509Y | Xeon Silver 4309Y |
|---|---|---|
| Cores / Threads | 8 / 16 | 8 / 16 |
| Boost Clock | 4.1 GHz+14% | 3.6 GHz |
| Base Clock | 2.6 GHz | 2.8 GHz+8% |
| L3 Cache | 22.5 MB (total)+88% | 12 MB (total) |
| L2 Cache | 2 MB (per core)+100% | 1 MB (per core) |
| Process | Intel 7 nm-30% | 10 nm |
| Architecture | Sapphire Rapids (2023−2024) | Ice Lake-SP (2021) |
| PassMark | 18,749 | 18,718 |
Memory & Platform
The Xeon Silver 4509Y uses the LGA4677 socket (PCIe 3.0), while the Xeon Silver 4309Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard.
| Feature | Xeon Silver 4509Y | Xeon Silver 4309Y |
|---|---|---|
| Socket | LGA4677 | LGA4189 |
| PCIe Generation | PCIe 3.0 | PCIe 4.0+33% |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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