Xeon Silver 4309Y
VS
Xeon Silver 4509Y

Xeon Silver 4309Y vs Xeon Silver 4509Y

Intel

Xeon Silver 4309Y

8 Cores16 Thrd105 WWMax: 3.6 GHz2021
VS
Intel

Xeon Silver 4509Y

8 Cores16 Thrd125 WWMax: 4.1 GHz2023

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.

MSRP is the manufacturer's suggested retail price.
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Xeon Silver 4309Y

#86
Xeon Platinum 8260
MSRP: $400|Avg: $400
103%
#94
Xeon Silver 4309Y
MSRP: N/A|Avg: N/A
100%
#97
Xeon Silver 4314
MSRP: $395|Avg: $395
98%
#98
Xeon W-1350
MSRP: $255|Avg: $255
98%
#99
Xeon W-1370P
MSRP: $323|Avg: $323
98%
#106
Xeon Gold 6143
MSRP: $342|Avg: $342
97%
Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon Silver 4509Y

#86
Xeon Platinum 8260
MSRP: $400|Avg: $400
102%
#92
Xeon Silver 4509Y
MSRP: N/A|Avg: N/A
100%
#97
Xeon Silver 4314
MSRP: $395|Avg: $395
98%
#98
Xeon W-1350
MSRP: $255|Avg: $255
98%
#99
Xeon W-1370P
MSRP: $323|Avg: $323
98%
#106
Xeon Gold 6143
MSRP: $342|Avg: $342
97%
Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Xeon Silver 4509Y delivers superior performance across the board. It outperforms the Xeon Silver 4309Y in both compute-intensive tasks (0.2% faster) and gaming workloads.
InsightXeon Silver 4309YXeon Silver 4509Y
Gaming
Lower gaming performance
Superior gaming performance
Workstation
Weaker in multi-core tasks
Better multi-core power
Price
Equivalent pricing
Equivalent pricing
Longevity
✨ Modern (Ice Lake-SP (2021) / 10 nm)
✨ Modern (Sapphire Rapids (2023−2024) / Intel 7 nm)

💎 Value Proposition

InsightXeon Silver 4309YXeon Silver 4509Y
Cost Efficiency
Lower cost efficiency
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

Performance Check

Paired with RTX 4090

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 4309Y and Xeon Silver 4509Y

Intel

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.

Intel

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.

Processing Power

Both the Xeon Silver 4309Y and Xeon Silver 4509Y share an identical 8-core/16-thread configuration. Boost clocks reach 3.6 GHz on the Xeon Silver 4309Y versus 4.1 GHz on the Xeon Silver 4509Y — a 13% clock advantage for the Xeon Silver 4509Y (base: 2.8 GHz vs 2.6 GHz). The Xeon Silver 4309Y uses the Ice Lake-SP (2021) architecture (10 nm), while the Xeon Silver 4509Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon Silver 4309Y scores 18,718 against the Xeon Silver 4509Y's 18,749 — a 0.2% lead for the Xeon Silver 4509Y. L3 cache: 12 MB (total) on the Xeon Silver 4309Y vs 22.5 MB (total) on the Xeon Silver 4509Y.

FeatureXeon Silver 4309YXeon Silver 4509Y
Cores / Threads
8 / 16
8 / 16
Boost Clock
3.6 GHz
4.1 GHz+14%
Base Clock
2.8 GHz+8%
2.6 GHz
L3 Cache
12 MB (total)
22.5 MB (total)+88%
L2 Cache
1 MB (per core)
2 MB (per core)+100%
Process
10 nm
Intel 7 nm-30%
Architecture
Ice Lake-SP (2021)
Sapphire Rapids (2023−2024)
PassMark
18,718
18,749
🧠

Memory & Platform

The Xeon Silver 4309Y uses the LGA4189 socket (PCIe 4.0), while the Xeon Silver 4509Y uses LGA4677 (PCIe 3.0) — making them incompatible on the same motherboard.

FeatureXeon Silver 4309YXeon Silver 4509Y
Socket
LGA4189
LGA4677
PCIe Generation
PCIe 4.0+33%
PCIe 3.0