Xeon W-3175X vs Xeon W-3345

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 W-3175X vs Xeon W-3345 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 W-3175X vs Xeon W-3345: Pros, Cons & Final Verdict

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

Xeon W-3175X

2018

Why buy it

Trade-offs

❌Lower PassMark (46,125 vs 48,140).
❌Lower PassMark per dollar, at 15.4 vs 19.3 PassMark/$ ($2,999 MSRP vs $2,499 MSRP).

Xeon W-3345

2021

Why buy it

✅Costs $500 less on MSRP ($2,499 MSRP vs $2,999 MSRP).
✅Delivers 25.3% more PassMark for each dollar spent, at 19.3 vs 15.4 PassMark/$ ($2,499 MSRP vs $2,999 MSRP).
✅Draws 250W instead of 255W, a 5W reduction.
✅166.7% more PCIe lanes (128 vs 48) for storage and expansion-heavy builds.

Trade-offs

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

Quick Answers

So, is Xeon W-3345 better than Xeon W-3175X?

Yes. Xeon W-3345 is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data, 4.4% 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 W-3345 is the better pick. According to our tests, it delivers 0.2% 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-3345 is the stronger fit. You are getting 4.4% better PassMark, backed by 24 cores and 48 threads.

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

Xeon W-3345 is the better buy right now. Xeon W-3345 comes in $500 cheaper on MSRP at $2,499 MSRP versus $2,999 MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 25.3% better value on MSRP (19.3 vs 15.4 PassMark/$), 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 W-3345 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2018) and more multi-core headroom with 24 cores / 48 threads instead of 28/56. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon W-3175X vs Xeon W-3345 Technical Specifications

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

Xeon W-3175X

The Xeon W-3175X is manufactured by Intel. It was released in 19 December 2018 (6 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 28 cores and 56 threads. Base frequency is 3.1 GHz, with boost up to 3.8 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 255 Watt. Memory support: DDR4-2666. Passmark benchmark score: 46,125 points. Launch price was $2,999.

Xeon W-3345

The Xeon W-3345 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-W (2021) architecture. It features 24 cores and 48 threads. Base frequency is 3 GHz, with boost up to 4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 250 Watt. Memory support: DDR4-3200. Passmark benchmark score: 48,140 points. Launch price was $800.

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Processing Power

The Xeon W-3175X packs 28 cores / 56 threads, while the Xeon W-3345 offers 24 cores / 48 threads — the Xeon W-3175X has 4 more cores. Boost clocks reach 3.8 GHz on the Xeon W-3175X versus 4 GHz on the Xeon W-3345 — a 5.1% clock advantage for the Xeon W-3345 (base: 3.1 GHz vs 3 GHz). The Xeon W-3175X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon W-3345 uses Ice Lake-W (2021) (10 nm). In PassMark, the Xeon W-3175X scores 46,125 against the Xeon W-3345's 48,140 — a 4.3% lead for the Xeon W-3345. L3 cache: 38.5 MB (total) on the Xeon W-3175X vs 36 MB (total) on the Xeon W-3345.

Feature	Xeon W-3175X	Xeon W-3345
Cores / Threads	28 / 56+17%	24 / 48
Boost Clock	3.8 GHz	4 GHz+5%
Base Clock	3.1 GHz+3%	3 GHz
L3 Cache	38.5 MB (total)+7%	36 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	14 nm	10 nm-29%
Architecture	Skylake (server) (2017−2018)	Ice Lake-W (2021)
PassMark	46,125	48,140+4%
Cinebench R23 Multi	31,350	—
Geekbench 6 Single	1,467	—
Geekbench 6 Multi	17,358	—

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Memory & Platform

The Xeon W-3175X uses the LGA3647 socket (PCIe 3.0), while the Xeon W-3345 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Xeon W-3175X versus 3200 on the Xeon W-3345 — the Xeon W-3345 supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3345 supports up to 4096 GB of RAM compared to 512 GB — 700% more capacity for professional workloads. Memory channels: 6 (Xeon W-3175X) vs 8 (Xeon W-3345). PCIe lanes: 48 (Xeon W-3175X) vs 128 (Xeon W-3345) — the Xeon W-3345 offers 80 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel C621 (Xeon W-3175X) and SP3,C621A (Xeon W-3345).

Feature	Xeon W-3175X	Xeon W-3345
Socket	LGA3647	LGA4189
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	3200+20%
Max RAM Capacity	512 GB	4096 GB+700%
RAM Channels	6	8+33%
ECC Support	Yes	Yes
PCIe Lanes	48	128+167%

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Advanced Features

Only the Xeon W-3175X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon W-3345 rivals Xeon Platinum 8362.

Feature	Xeon W-3175X	Xeon W-3345
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	Yes	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the Xeon W-3175X was priced at $2999, while the Xeon W-3345 came in at $2499. On launch pricing ($2999 vs $2499), Xeon W-3345 was $500 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon W-3175X delivers 15.4 pts/$ vs 19.3 pts/$ for the Xeon W-3345 — making the Xeon W-3345 the 22.4% better value option.

Feature	Xeon W-3175X	Xeon W-3345
MSRP	$2999	$2499-17%
Performance per Dollar	15.4	19.3+25%
Release Date	2018	2021

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