Ryzen 9 4900HS vs Xeon Silver 4509Y

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Ryzen 9 4900HS

2020

Why buy it

✅+0.2% higher PassMark.
✅Draws 35W instead of 125W, a 90W reduction.
✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Vega 8, while Xeon Silver 4509Y needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Silver 4509Y across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (8 MB vs 23 MB).
❌Older platform position on FP6 with DDR4, while Xeon Silver 4509Y moves to LGA4677 and DDR5.

Xeon Silver 4509Y

2023

Why buy it

✅Better for gaming: +7.5% higher average FPS across 4 shared CPU benchmark tests.
✅+181.3% larger total L3 cache (23 MB vs 8 MB).
✅Newer platform on LGA4677 with DDR5 support instead of FP6 and DDR4.

Trade-offs

❌Lower PassMark (18,749 vs 18,793).
❌257.1% higher power demand at 125W vs 35W.
❌No integrated graphics, while Ryzen 9 4900HS can still boot and troubleshoot without a discrete GPU.

Ryzen 9 4900HS

2020

Xeon Silver 4509Y

2023

Why buy it

✅+0.2% higher PassMark.
✅Draws 35W instead of 125W, a 90W reduction.
✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Vega 8, while Xeon Silver 4509Y needs a discrete GPU.

Why buy it

✅Better for gaming: +7.5% higher average FPS across 4 shared CPU benchmark tests.
✅+181.3% larger total L3 cache (23 MB vs 8 MB).
✅Newer platform on LGA4677 with DDR5 support instead of FP6 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Silver 4509Y across 4 shared CPU benchmark tests.
❌Smaller total L3 cache (8 MB vs 23 MB).
❌Older platform position on FP6 with DDR4, while Xeon Silver 4509Y moves to LGA4677 and DDR5.

Trade-offs

❌Lower PassMark (18,749 vs 18,793).
❌257.1% higher power demand at 125W vs 35W.
❌No integrated graphics, while Ryzen 9 4900HS can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 9 4900HS better than Xeon Silver 4509Y?

Not in a simple one-size-fits-all way. Xeon Silver 4509Y makes more sense for workstation-style multi-core throughput, while Ryzen 9 4900HS is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 9 4900HS is the better fit. You are getting 0.2% better PassMark, backed by 8 cores and 16 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 9 4900HS still looks like the safer overall buy. Ryzen 9 4900HS is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 0.2% better PassMark.

Which one is more future-proof for 2026 and beyond?

Xeon Silver 4509Y is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA4677 and DDR5 instead of FP6, and 181.3% larger total L3 cache (23 MB vs 8 MB). That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

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.

Ryzen 9 4900HS Benchmark Check

Xeon Silver 4509Y Benchmark Check

Path of Exile 2

Preset	Ryzen 9 4900HS	Xeon Silver 4509Y
1080p
low	173 FPS	176 FPS
medium	141 FPS	142 FPS
high	112 FPS	116 FPS
ultra	92 FPS	92 FPS
1440p
low	149 FPS	143 FPS
medium	119 FPS	113 FPS
high	95 FPS	90 FPS
ultra	77 FPS	71 FPS
4K
low	81 FPS	66 FPS
medium	70 FPS	55 FPS
high	55 FPS	44 FPS
ultra	43 FPS	35 FPS

Open Ryzen 9 4900HS Open Xeon Silver 4509Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 4900HS	Xeon Silver 4509Y
1080p
low	353 FPS	469 FPS
medium	293 FPS	428 FPS
high	258 FPS	355 FPS
ultra	225 FPS	321 FPS
1440p
low	303 FPS	431 FPS
medium	260 FPS	382 FPS
high	233 FPS	324 FPS
ultra	198 FPS	282 FPS
4K
low	246 FPS	280 FPS
medium	218 FPS	250 FPS
high	197 FPS	228 FPS
ultra	171 FPS	204 FPS

Open Ryzen 9 4900HS Open Xeon Silver 4509Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 4900HS	Xeon Silver 4509Y
1080p
low	470 FPS	469 FPS
medium	470 FPS	469 FPS
high	470 FPS	469 FPS
ultra	470 FPS	469 FPS
1440p
low	470 FPS	469 FPS
medium	470 FPS	469 FPS
high	468 FPS	469 FPS
ultra	415 FPS	469 FPS
4K
low	461 FPS	469 FPS
medium	391 FPS	414 FPS
high	343 FPS	365 FPS
ultra	281 FPS	298 FPS

Open Ryzen 9 4900HS Open Xeon Silver 4509Y

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 4900HS	Xeon Silver 4509Y
1080p
low	470 FPS	469 FPS
medium	470 FPS	469 FPS
high	470 FPS	469 FPS
ultra	470 FPS	469 FPS
1440p
low	470 FPS	469 FPS
medium	470 FPS	469 FPS
high	470 FPS	469 FPS
ultra	429 FPS	453 FPS
4K
low	458 FPS	469 FPS
medium	415 FPS	428 FPS
high	363 FPS	383 FPS
ultra	310 FPS	332 FPS

Open Ryzen 9 4900HS Open Xeon Silver 4509Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 4900HS and Xeon Silver 4509Y

Ryzen 9 4900HS

The Ryzen 9 4900HS is manufactured by AMD. It was released in 7 March 2020 (5 years ago). It is based on the Renoir (Zen 2) (2020) architecture. It features 8 cores and 16 threads. Base frequency is 3 GHz, with boost up to 4.3 GHz. L3 cache: 8 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 35 Watt. Memory support: DDR4-4266. Passmark benchmark score: 18,793 points. Launch price was $299.

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.

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Processing Power

Both the Ryzen 9 4900HS and Xeon Silver 4509Y share an identical 8-core/16-thread configuration. Boost clocks reach 4.3 GHz on the Ryzen 9 4900HS versus 4.1 GHz on the Xeon Silver 4509Y — a 4.8% clock advantage for the Ryzen 9 4900HS (base: 3 GHz vs 2.6 GHz). The Ryzen 9 4900HS uses the Renoir (Zen 2) (2020) architecture (7 nm), while the Xeon Silver 4509Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 9 4900HS scores 18,793 against the Xeon Silver 4509Y's 18,749 — a 0.2% lead for the Ryzen 9 4900HS. L3 cache: 8 MB (total) on the Ryzen 9 4900HS vs 22.5 MB (total) on the Xeon Silver 4509Y.

Feature	Ryzen 9 4900HS	Xeon Silver 4509Y
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.3 GHz+5%	4.1 GHz
Base Clock	3 GHz+15%	2.6 GHz
L3 Cache	8 MB (total)	22.5 MB (total)+181%
L2 Cache	512 kB (per core)	2 MB (per core)+300%
Process	7 nm	Intel 7 nm
Architecture	Renoir (Zen 2) (2020)	Sapphire Rapids (2023−2024)
PassMark	18,793	18,749

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Memory & Platform

The Ryzen 9 4900HS uses the FP6 socket (PCIe 3.0), while the Xeon Silver 4509Y uses LGA4677 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Ryzen 9 4900HS	Xeon Silver 4509Y
Socket	FP6	LGA4677
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	LPDDR4-4266	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	8	—

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Advanced Features

Virtualization: AMD-V (Ryzen 9 4900HS) / not specified (Xeon Silver 4509Y). The Ryzen 9 4900HS includes integrated graphics (Vega 8), while the Xeon Silver 4509Y requires a dedicated GPU. Primary use case: Ryzen 9 4900HS targets Mobile High-End.