Xeon 6333P vs Xeon Silver 4309Y

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.

Xeon 6333P vs Xeon Silver 4309Y FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Xeon 6333P vs Xeon Silver 4309Y: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Xeon 6333P

2025

Why buy it

✅Better for gaming: +4.6% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon Silver 4309Y

2021

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon 6333P across 50 shared CPU benchmark tests.
❌Lower PassMark (18,718 vs 18,751).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Xeon 6333P moves to LGA1700 and DDR5.

Quick Answers

So, is Xeon 6333P better than Xeon Silver 4309Y?

Yes. Xeon 6333P is the better all-around CPU here. It gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data, 0.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon 6333P is the better pick. According to our tests, it delivers 4.6% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Xeon 6333P is the stronger fit. You are getting 0.2% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

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

Xeon 6333P still makes the most sense overall. Xeon 6333P comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon 6333P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021), a healthier platform with LGA1700 and DDR5 instead of LGA4189, 50% larger total L3 cache (18 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon 6333P vs Xeon Silver 4309Y Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

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 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

The Xeon 6333P packs 6 cores / 12 threads, while the Xeon Silver 4309Y offers 8 cores / 16 threads — the Xeon Silver 4309Y has 2 more cores. Boost clocks reach 4.8 GHz on the Xeon 6333P versus 3.6 GHz on the Xeon Silver 4309Y — a 28.6% clock advantage for the Xeon 6333P (base: 3.1 GHz vs 2.8 GHz). The Xeon 6333P uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Xeon Silver 4309Y uses Ice Lake-SP (2021) (10 nm). In PassMark, the Xeon 6333P scores 18,751 against the Xeon Silver 4309Y's 18,718 — a 0.2% lead for the Xeon 6333P. L3 cache: 18 MB (total) on the Xeon 6333P vs 12 MB (total) on the Xeon Silver 4309Y.

Feature	Xeon 6333P	Xeon Silver 4309Y
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.8 GHz+33%	3.6 GHz
Base Clock	3.1 GHz+11%	2.8 GHz
L3 Cache	18 MB (total)+50%	12 MB (total)
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm-30%	10 nm
Architecture	Raptor Lake-R (2023−2025)	Ice Lake-SP (2021)
PassMark	18,751	18,718

🧠

Memory & Platform

The Xeon 6333P uses the LGA1700 socket (PCIe 4.0), while the Xeon Silver 4309Y uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard.