Xeon 6505P vs Xeon Gold 6338

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 6505P vs Xeon Gold 6338 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 6505P vs Xeon Gold 6338: Pros, Cons & Final Verdict

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

Xeon 6505P

2025

Why buy it

✅Costs $2,427 less on MSRP ($563 MSRP vs $2,990 MSRP).
✅Delivers 419.4% more PassMark for each dollar spent, at 69.9 vs 13.5 PassMark/$ ($563 MSRP vs $2,990 MSRP).
✅Draws 150W instead of 205W, a 55W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of LGA4189 and DDR4.
✅37.5% more PCIe lanes (88 vs 64) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (39,341 vs 40,225).

Xeon Gold 6338

2021

Why buy it

✅+2.2% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 13.5 vs 69.9 PassMark/$ ($2,990 MSRP vs $563 MSRP).
❌36.7% higher power demand at 205W vs 150W.
❌Older platform position on LGA4189 with DDR4, while Xeon 6505P moves to LGA4710 and DDR5.

Quick Answers

So, is Xeon 6505P better than Xeon Gold 6338?

It depends on what you want from the system. For gaming, Xeon 6505P is ahead with a 1.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon Gold 6338 pulls ahead with 2.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Xeon Gold 6338 is the stronger fit. You are getting 2.2% better PassMark, backed by 32 cores and 64 threads.

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

Xeon 6505P is the better buy right now. Xeon 6505P comes in $2,427 cheaper on MSRP at $563 MSRP versus $2,990 MSRP, and it still gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Gold 6338 is still stronger for heavier multi-core work with 2.2% better PassMark. It is also 419.4% better value on MSRP (69.9 vs 13.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon 6505P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2021) and a healthier platform with LGA4710 and DDR5 instead of LGA4189. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon 6505P vs Xeon Gold 6338 Technical Specifications

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

Xeon 6505P

The Xeon 6505P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.2 GHz, with boost up to 4.1 GHz. L3 cache: 48 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 150 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 39,341 points. Launch price was $563.

Xeon Gold 6338

The Xeon Gold 6338 is manufactured by Intel. It was released in 2015-01-01. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.2 GHz. L3 cache: 48 MB. Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 40,225 points. Launch price was $800.

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Processing Power

The Xeon 6505P packs 12 cores / 24 threads, while the Xeon Gold 6338 offers 32 cores / 64 threads — the Xeon Gold 6338 has 20 more cores. Boost clocks reach 4.1 GHz on the Xeon 6505P versus 3.2 GHz on the Xeon Gold 6338 — a 24.7% clock advantage for the Xeon 6505P (base: 2.2 GHz vs 2 GHz). The Xeon 6505P is built on the Granite Rapids (2024−2025) architecture. In PassMark, the Xeon 6505P scores 39,341 against the Xeon Gold 6338's 40,225 — a 2.2% lead for the Xeon Gold 6338. L3 cache: 48 MB (total) on the Xeon 6505P vs 48 MB on the Xeon Gold 6338.

Feature	Xeon 6505P	Xeon Gold 6338
Cores / Threads	12 / 24	32 / 64+167%
Boost Clock	4.1 GHz+28%	3.2 GHz
Base Clock	2.2 GHz+10%	2 GHz
L3 Cache	48 MB (total)	48 MB
L2 Cache	2 MB (per core)	—
Process	Intel 3 nm-70%	10 nm
Architecture	Granite Rapids (2024−2025)	—
PassMark	39,341	40,225+2%

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Memory & Platform

The Xeon 6505P uses the LGA4710 socket (PCIe 5.0), while the Xeon Gold 6338 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Xeon 6505P versus 3200 on the Xeon Gold 6338 — the Xeon 6505P supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338 supports up to 6144 of RAM compared to 4096 — 50% more capacity for professional workloads. Both feature 8-channel memory with ECC support. PCIe lanes: 88 (Xeon 6505P) vs 64 (Xeon Gold 6338) — the Xeon 6505P offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA4710 (Xeon 6505P) and C621A (Xeon Gold 6338).

Feature	Xeon 6505P	Xeon Gold 6338
Socket	LGA4710	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	6400+100%	3200
Max RAM Capacity	4096	6144+50%
RAM Channels	8	8
ECC Support	Yes	Yes
PCIe Lanes	88+38%	64

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon 6505P rivals EPYC 9334; Xeon Gold 6338 rivals EPYC 7543.

Feature	Xeon 6505P	Xeon Gold 6338
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the Xeon 6505P was priced at $563, while the Xeon Gold 6338 came in at $2990. On launch pricing ($563 vs $2990), Xeon 6505P was $2427 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon 6505P delivers 69.9 pts/$ vs 13.5 pts/$ for the Xeon Gold 6338 — making the Xeon 6505P the 135.4% better value option.

Feature	Xeon 6505P	Xeon Gold 6338
MSRP	$563-81%	$2990
Performance per Dollar	69.9+418%	13.5
Release Date	2025	2021

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