Core Ultra 7 265K vs Xeon W-3375

Intel

Core Ultra 7 265K

20 Cores20 Thrd125 WWMax: 5.5 GHz2024
Core Ultra family
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VS
Intel

Xeon W-3375

38 Cores76 Thrd270 WWMax: 4 GHz2021
Similar parts
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Core Ultra 7 265K vs Xeon W-3375 Performance Spectrum

About PassMark

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.

Core Ultra 7 265K vs Xeon W-3375 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.

Core Ultra 7 265K vs Xeon W-3375: Pros, Cons & Final Verdict

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

Core Ultra 7 265K

2024

Why buy it

  • Better for gaming: +17.7% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $4,642 less on MSRP ($309 MSRP vs $4,951 MSRP).
  • Delivers 1494.1% more PassMark for each dollar spent, at 190.3 vs 11.9 PassMark/$ ($309 MSRP vs $4,951 MSRP).
  • Draws 125W instead of 270W, a 145W reduction.
  • Newer platform on LGA1851 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

  • Smaller total L3 cache (30 MB vs 57 MB).
  • Less compelling for workstation-style loads than Xeon W-3375, which brings 38 cores / 76 threads and 64 PCIe lanes.

Xeon W-3375

2021

Why buy it

  • +90% larger total L3 cache (57 MB vs 30 MB).
  • Better for workstations and heavier parallel workloads: 38 cores / 76 threads, plus 64 PCIe lanes vs 20.
  • 220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 7 265K across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (17,713 vs 22,293).
  • Lower PassMark per dollar, at 11.9 vs 190.3 PassMark/$ ($4,951 MSRP vs $309 MSRP).
  • 116% higher power demand at 270W vs 125W.
  • Older platform position on LGA4189 with DDR4, while Core Ultra 7 265K moves to LGA1851 and DDR5.

Quick Answers

So, is Core Ultra 7 265K better than Xeon W-3375?
Not really, because they are built for different jobs. Xeon W-3375 makes more sense for workstation-style multi-core throughput, while Core Ultra 7 265K is the more practical desktop choice for gaming, platform cost, and everyday use.
Which one is better for gaming?
If gaming is the priority, Core Ultra 7 265K is the better pick. According to our tests, it delivers 17.7% 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, Core Ultra 7 265K is the stronger fit. You are getting 25.9% better Geekbench multi-core, backed by 20 cores and 20 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 7 265K is the better buy right now. Core Ultra 7 265K comes in $4,642 cheaper on MSRP at $309 MSRP versus $4,951 MSRP, and it still gives you a 17.7% average FPS lead across 50 shared CPU game tests in our data. It is also 1494.1% better value on MSRP (190.3 vs 11.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 265K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA1851 and DDR5 instead of LGA4189, and more multi-core headroom with 20 cores / 20 threads instead of 38/76. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 7 265K vs Xeon W-3375 Technical Specifications

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

Intel

Core Ultra 7 265K

The Core Ultra 7 265K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 20 cores and 20 threads. Base frequency is 3.9 GHz, with boost up to 5.5 GHz. L3 cache: 30 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 58,789 points. Launch price was $394.

Intel

Xeon W-3375

The Xeon W-3375 is manufactured by Intel. It was released in 2021-07-29. It is based on the Ice Lake-W (2021) architecture. It features 38 cores and 76 threads. Base frequency is 2.5 GHz, with boost up to 4 GHz. L3 cache: 57 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 270 Watt. Memory support: DDR4-3200. Passmark benchmark score: 59,091 points. Launch price was $4,499.

Processing Power

The Core Ultra 7 265K packs 20 cores / 20 threads, while the Xeon W-3375 offers 38 cores / 76 threads — the Xeon W-3375 has 18 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265K versus 4 GHz on the Xeon W-3375 — a 31.6% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 2.5 GHz). The Core Ultra 7 265K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon W-3375 uses Ice Lake-W (2021) (10 nm). In PassMark, the Core Ultra 7 265K scores 58,789 against the Xeon W-3375's 59,091 — a 0.5% lead for the Xeon W-3375. Geekbench 6 single-core — the metric most relevant to gaming — records 3,283 vs 1,818, a 57.4% lead for the Core Ultra 7 265K that directly translates to higher frame rates. Multi-core Geekbench: 22,293 vs 17,713 (22.9% advantage for the Core Ultra 7 265K). L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 57 MB (total) on the Xeon W-3375.

FeatureCore Ultra 7 265KXeon W-3375
Cores / Threads
20 / 20
38 / 76+90%
Boost Clock
5.5 GHz+38%
4 GHz
Base Clock
3.9 GHz+56%
2.5 GHz
L3 Cache
30 MB (total)
57 MB (total)+90%
L2 Cache
3 MB (per core)+200%
1 MB (per core)
Process
3 nm-70%
10 nm
Architecture
Arrow Lake-S (2024−2025)
Ice Lake-W (2021)
PassMark
58,789
59,091
Cinebench R23 Multi
36,309
Geekbench 6 Single
3,283+81%
1,818
Geekbench 6 Multi
22,293+26%
17,713
🧠

Memory & Platform

The Core Ultra 7 265K uses the LGA1851 socket (PCIe 5.0), while the Xeon W-3375 uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265K versus DDR4-3200 on the Xeon W-3375 — the Core Ultra 7 265K supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon W-3375 supports up to 4096 GB of RAM compared to 256 GB 1500% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265K) vs 8 (Xeon W-3375). PCIe lanes: 20 (Core Ultra 7 265K) vs 64 (Xeon W-3375) — the Xeon W-3375 offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and Intel C621A (Xeon W-3375).

FeatureCore Ultra 7 265KXeon W-3375
Socket
LGA1851
LGA4189
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-6400+100%
DDR4-3200
Max RAM Capacity
256 GB
4096 GB+1500%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
20
64+220%
🔧

Advanced Features

Only the Core Ultra 7 265K 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. Virtualization support: VT-x, VT-d (Core Ultra 7 265K) vs true (Xeon W-3375). The Core Ultra 7 265K includes integrated graphics (Arc Graphics 64EU), while the Xeon W-3375 requires a dedicated GPU. Direct competitor: Xeon W-3375 rivals EPYC 7543.

FeatureCore Ultra 7 265KXeon W-3375
Integrated GPU
Yes
No
IGPU Model
Arc Graphics 64EU
None
Unlocked
Yes
No
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d
true
💰

Value Analysis

At launch, the Core Ultra 7 265K was priced at $309, while the Xeon W-3375 came in at $4951. On launch pricing ($309 vs $4951), Core Ultra 7 265K was $4642 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265K delivers 190.3 pts/$ vs 11.9 pts/$ for the Xeon W-3375 — making the Core Ultra 7 265K the 176.4% better value option.

FeatureCore Ultra 7 265KXeon W-3375
MSRP
$309-94%
$4951
Performance per Dollar
190.3+1499%
11.9
Release Date
2024
2021

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