Xeon Gold 6338 vs Xeon W-3275M

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 Gold 6338 vs Xeon W-3275M 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 Gold 6338 vs Xeon W-3275M: Pros, Cons & Final Verdict

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

Xeon Gold 6338

2021

Why buy it

✅+24.7% larger total L3 cache (48 MB vs 39 MB).
✅Costs $1,459 less on MSRP ($2,990 MSRP vs $4,449 MSRP).
✅Delivers 48.1% more PassMark for each dollar spent, at 13.5 vs 9.1 PassMark/$ ($2,990 MSRP vs $4,449 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3275M across 50 shared CPU benchmark tests.
❌Lower PassMark (40,225 vs 40,419).

Xeon W-3275M

2019

Why buy it

✅Better for gaming: +22.9% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (39 MB vs 48 MB).
❌Lower PassMark per dollar, at 9.1 vs 13.5 PassMark/$ ($4,449 MSRP vs $2,990 MSRP).

Quick Answers

So, is Xeon W-3275M better than Xeon Gold 6338?

Yes. Xeon W-3275M is the better all-around CPU here. It gives you a 22.9% average FPS lead across 50 shared CPU game tests in our data and 0.5% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon W-3275M is the better pick. According to our tests, it delivers 22.9% 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 W-3275M is the stronger fit. You are getting 0.5% better PassMark, backed by 28 cores and 56 threads.

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

Xeon W-3275M is still the faster CPU overall, but Xeon Gold 6338 is easier to justify if budget matters more than peak performance. Xeon W-3275M comes in 48.8% more expensive on MSRP at $4,449 MSRP versus $2,990 MSRP, and it still gives you a 22.9% average FPS lead across 50 shared CPU game tests in our data. Xeon Gold 6338 is also 48.1% better value on MSRP (13.5 vs 9.1 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon Gold 6338 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019) and 24.7% larger total L3 cache (48 MB vs 39 MB). That makes it the safer long-term bet.

Xeon Gold 6338 vs Xeon W-3275M Technical Specifications

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

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.

Xeon W-3275M

The Xeon W-3275M is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 40,419 points. Launch price was $7,453.

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Processing Power

The Xeon Gold 6338 packs 32 cores / 64 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon Gold 6338 has 4 more cores. Boost clocks reach 3.2 GHz on the Xeon Gold 6338 versus 4.6 GHz on the Xeon W-3275M — a 35.9% clock advantage for the Xeon W-3275M (base: 2 GHz vs 2.5 GHz). The Xeon W-3275M is built on the Cascade Lake (2019−2020) architecture. In PassMark, the Xeon Gold 6338 scores 40,225 against the Xeon W-3275M's 40,419 — a 0.5% lead for the Xeon W-3275M. L3 cache: 48 MB on the Xeon Gold 6338 vs 38.5 MB on the Xeon W-3275M.

Feature	Xeon Gold 6338	Xeon W-3275M
Cores / Threads	32 / 64+14%	28 / 56
Boost Clock	3.2 GHz	4.6 GHz+44%
Base Clock	2 GHz	2.5 GHz+25%
L3 Cache	48 MB+25%	38.5 MB
L2 Cache	—	28 MB
Process	10 nm-29%	14 nm
Architecture	—	Cascade Lake (2019−2020)
PassMark	40,225	40,419

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Memory & Platform

The Xeon Gold 6338 uses the LGA4189 socket (PCIe 4.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Gold 6338 versus 2933 on the Xeon W-3275M — the Xeon Gold 6338 supports 9.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338 supports up to 6144 of RAM compared to 2048 — 200% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6338) vs 6 (Xeon W-3275M). Both provide 64 PCIe lanes. Chipset compatibility: C621A (Xeon Gold 6338) and C620 (Xeon W-3275M).

Feature	Xeon Gold 6338	Xeon W-3275M
Socket	LGA4189	LGA3647
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	3200+9%	2933
Max RAM Capacity	6144+200%	2048
RAM Channels	8+33%	6
ECC Support	Yes	Yes
PCIe Lanes	64	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 Gold 6338 rivals EPYC 7543; Xeon W-3275M rivals EPYC 7742.

Feature	Xeon Gold 6338	Xeon W-3275M
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 Gold 6338 was priced at $2990, while the Xeon W-3275M came in at $4449. On launch pricing ($2990 vs $4449), Xeon Gold 6338 was $1459 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6338 delivers 13.5 pts/$ vs 9.1 pts/$ for the Xeon W-3275M — making the Xeon Gold 6338 the 38.8% better value option.

Feature	Xeon Gold 6338	Xeon W-3275M
MSRP	$2990-33%	$4449
Performance per Dollar	13.5+48%	9.1
Release Date	2021	2019

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