Xeon 6333P 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.

Xeon 6333P

2025

Why buy it

✅Draws 65W instead of 125W, a 60W reduction.

Trade-offs

❌Smaller total L3 cache (18 MB vs 23 MB).

Xeon Silver 4509Y

2023

Why buy it

✅+25% larger total L3 cache (23 MB vs 18 MB).

Trade-offs

❌Lower PassMark (18,749 vs 18,751).
❌92.3% higher power demand at 125W vs 65W.

Xeon 6333P

2025

Xeon Silver 4509Y

2023

Why buy it

✅Draws 65W instead of 125W, a 60W reduction.

Why buy it

✅+25% larger total L3 cache (23 MB vs 18 MB).

Trade-offs

❌Smaller total L3 cache (18 MB vs 23 MB).

Trade-offs

❌Lower PassMark (18,749 vs 18,751).
❌92.3% higher power demand at 125W vs 65W.

Quick Answers

So, is Xeon 6333P better than Xeon Silver 4509Y?

Yes. Xeon 6333P is the better overall CPU here. You are getting 0% better PassMark and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Xeon 6333P is the better fit because it leads the single-thread side of the matchup with 17.1% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Xeon 6333P is the better fit. You are getting 0% better PassMark, backed by 6 cores and 12 threads.

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

Xeon 6333P still looks like the safer overall buy. Xeon 6333P is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 0.0% higher PassMark.

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

Xeon 6333P is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and more multi-core headroom with 6 cores / 12 threads instead of 8/16. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Xeon 6333P Benchmark Check

Xeon Silver 4509Y Benchmark Check

Path of Exile 2

Preset	Xeon 6333P	Xeon Silver 4509Y
1080p
low	267 FPS	176 FPS
medium	253 FPS	142 FPS
high	213 FPS	116 FPS
ultra	182 FPS	92 FPS
1440p
low	235 FPS	143 FPS
medium	199 FPS	113 FPS
high	161 FPS	90 FPS
ultra	141 FPS	71 FPS
4K
low	164 FPS	66 FPS
medium	139 FPS	55 FPS
high	107 FPS	44 FPS
ultra	94 FPS	35 FPS

Open Xeon 6333P Open Xeon Silver 4509Y

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Xeon 6333P	Xeon Silver 4509Y
1080p
low	469 FPS	469 FPS
medium	425 FPS	428 FPS
high	358 FPS	355 FPS
ultra	317 FPS	321 FPS
1440p
low	421 FPS	431 FPS
medium	364 FPS	382 FPS
high	316 FPS	324 FPS
ultra	271 FPS	282 FPS
4K
low	280 FPS	280 FPS
medium	248 FPS	250 FPS
high	228 FPS	228 FPS
ultra	196 FPS	204 FPS

Open Xeon 6333P Open Xeon Silver 4509Y

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Xeon 6333P	Xeon Silver 4509Y
1080p
low	469 FPS	469 FPS
medium	469 FPS	469 FPS
high	469 FPS	469 FPS
ultra	469 FPS	469 FPS
1440p
low	469 FPS	469 FPS
medium	469 FPS	469 FPS
high	469 FPS	469 FPS
ultra	467 FPS	469 FPS
4K
low	469 FPS	469 FPS
medium	444 FPS	414 FPS
high	384 FPS	365 FPS
ultra	321 FPS	298 FPS

Open Xeon 6333P Open Xeon Silver 4509Y

League of Legends

League of Legends

Valorant

Preset	Xeon 6333P	Xeon Silver 4509Y
1080p
low	469 FPS	469 FPS
medium	469 FPS	469 FPS
high	469 FPS	469 FPS
ultra	469 FPS	469 FPS
1440p
low	469 FPS	469 FPS
medium	469 FPS	469 FPS
high	469 FPS	469 FPS
ultra	469 FPS	453 FPS
4K
low	469 FPS	469 FPS
medium	469 FPS	428 FPS
high	425 FPS	383 FPS
ultra	357 FPS	332 FPS

Open Xeon 6333P Open Xeon Silver 4509Y

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Xeon 6333P and Xeon Silver 4509Y

Xeon 6333P

The Xeon 6333P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 6 cores and 12 threads. Base frequency is 3.1 GHz, with boost up to 4.8 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800. Passmark benchmark score: 18,751 points. Launch price was $319.

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

The Xeon 6333P packs 6 cores / 12 threads, while the Xeon Silver 4509Y offers 8 cores / 16 threads — the Xeon Silver 4509Y has 2 more cores. Boost clocks reach 4.8 GHz on the Xeon 6333P versus 4.1 GHz on the Xeon Silver 4509Y — a 15.7% clock advantage for the Xeon 6333P (base: 3.1 GHz vs 2.6 GHz). The Xeon 6333P uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Xeon Silver 4509Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Xeon 6333P scores 18,751 against the Xeon Silver 4509Y's 18,749 — a 0% lead for the Xeon 6333P. L3 cache: 18 MB (total) on the Xeon 6333P vs 22.5 MB (total) on the Xeon Silver 4509Y.

Feature	Xeon 6333P	Xeon Silver 4509Y
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.8 GHz+17%	4.1 GHz
Base Clock	3.1 GHz+19%	2.6 GHz
L3 Cache	18 MB (total)	22.5 MB (total)+25%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Raptor Lake-R (2023−2025)	Sapphire Rapids (2023−2024)
PassMark	18,751	18,749

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Memory & Platform

The Xeon 6333P uses the LGA1700 socket (PCIe 4.0), while the Xeon Silver 4509Y uses LGA4677 (PCIe 3.0) — making them incompatible on the same motherboard.