Core Ultra 7 265KF vs Xeon w7-3545

Intel

Core Ultra 7 265KF

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

Xeon w7-3545

24 Cores48 Thrd310 WWMax: 4.8 GHz2023
Similar parts
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Core Ultra 7 265KF vs Xeon w7-3545 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 265KF vs Xeon w7-3545 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 265KF vs Xeon w7-3545: 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 265KF

2024

Why buy it

  • Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
  • Costs $1,660 less on MSRP ($379 MSRP vs $2,039 MSRP).
  • Delivers 440.2% more PassMark for each dollar spent, at 154.9 vs 28.7 PassMark/$ ($379 MSRP vs $2,039 MSRP).
  • Draws 125W instead of 310W, a 185W reduction.

Trade-offs

  • Smaller total L3 cache (30 MB vs 68 MB).
  • Less compelling for workstation-style loads than Xeon w7-3545, which brings 24 cores / 48 threads and 112 PCIe lanes.
  • No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon w7-3545

2023

Why buy it

  • +125% larger total L3 cache (68 MB vs 30 MB).
  • Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 112 PCIe lanes vs 24.
  • 366.7% more PCIe lanes (112 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 7 265KF across 50 shared CPU benchmark tests.
  • Lower Geekbench multi-core (16,200 vs 20,373).
  • Lower PassMark per dollar, at 28.7 vs 154.9 PassMark/$ ($2,039 MSRP vs $379 MSRP).
  • 148% higher power demand at 310W vs 125W.

Quick Answers

So, is Core Ultra 7 265KF better than Xeon w7-3545?
Not really, because they are built for different jobs. Xeon w7-3545 makes more sense for workstation-style multi-core throughput, while Core Ultra 7 265KF 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 265KF is the better pick. According to our tests, it delivers 3.5% 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 265KF is the stronger fit. You are getting 25.8% 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 265KF is the better buy right now. Core Ultra 7 265KF comes in $1,660 cheaper on MSRP at $379 MSRP versus $2,039 MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data. It is also 440.2% better value on MSRP (154.9 vs 28.7 PassMark/$), 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 265KF makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023) and more multi-core headroom with 20 cores / 20 threads instead of 24/48. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 7 265KF vs Xeon w7-3545 Technical Specifications

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

Intel

Core Ultra 7 265KF

The Core Ultra 7 265KF 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: 58,690 points. Launch price was $379.

Intel

Xeon w7-3545

The Xeon w7-3545 is manufactured by Intel. It was released in 24 August 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 24 cores and 48 threads. Base frequency is 2.7 GHz, with boost up to 4.8 GHz. L3 cache: 67.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 310 Watt. Memory support: DDR5-4800. Passmark benchmark score: 58,453 points. Launch price was $2,039.

Processing Power

The Core Ultra 7 265KF packs 20 cores / 20 threads, while the Xeon w7-3545 offers 24 cores / 48 threads — the Xeon w7-3545 has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 7 265KF versus 4.8 GHz on the Xeon w7-3545 — a 13.6% clock advantage for the Core Ultra 7 265KF (base: 3.9 GHz vs 2.7 GHz). The Core Ultra 7 265KF uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon w7-3545 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 7 265KF scores 58,690 against the Xeon w7-3545's 58,453 — a 0.4% lead for the Core Ultra 7 265KF. Geekbench 6 single-core — the metric most relevant to gaming — records 3,055 vs 2,300, a 28.2% lead for the Core Ultra 7 265KF that directly translates to higher frame rates. Multi-core Geekbench: 20,373 vs 16,200 (22.8% advantage for the Core Ultra 7 265KF). L3 cache: 30 MB (total) on the Core Ultra 7 265KF vs 67.5 MB on the Xeon w7-3545.

FeatureCore Ultra 7 265KFXeon w7-3545
Cores / Threads
20 / 20
24 / 48+20%
Boost Clock
5.5 GHz+15%
4.8 GHz
Base Clock
3.9 GHz+44%
2.7 GHz
L3 Cache
30 MB (total)
67.5 MB+125%
L2 Cache
3 MB (per core)+50%
2 MB (per core)
Process
3 nm-57%
Intel 7 nm
Architecture
Arrow Lake-S (2024−2025)
Sapphire Rapids (2023−2024)
PassMark
58,690
58,453
Cinebench R23 Multi
35,315
Geekbench 6 Single
3,055+33%
2,300
Geekbench 6 Multi
20,373+26%
16,200
🧠

Memory & Platform

The Core Ultra 7 265KF uses the LGA1851 socket (PCIe 5.0), while the Xeon w7-3545 uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 265KF versus DDR5-4800 on the Xeon w7-3545 — the Core Ultra 7 265KF supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w7-3545 supports up to 4096 GB of RAM compared to 192 GB 2033.3% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265KF) vs 8 (Xeon w7-3545). PCIe lanes: 24 (Core Ultra 7 265KF) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 88 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel Z890 (Core Ultra 7 265KF) and Intel W790 (Xeon w7-3545).

FeatureCore Ultra 7 265KFXeon w7-3545
Socket
LGA1851
LGA4677
PCIe Generation
PCIe 5.0
PCIe 5.0
Max RAM Speed
DDR5-6400+33%
DDR5-4800
Max RAM Capacity
192 GB
4096 GB+2033%
RAM Channels
2
8+300%
ECC Support
No
Yes
PCIe Lanes
24
112+367%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Xeon w7-3545 supports AVX-512 instructions — important for machine learning and scientific applications. Both support true virtualization. Direct competitor: Core Ultra 7 265KF rivals Ryzen 7 9700X; Xeon w7-3545 rivals Threadripper PRO 7965WX.

FeatureCore Ultra 7 265KFXeon w7-3545
Integrated GPU
No
No
IGPU Model
None
None
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
true
true
💰

Value Analysis

At launch, the Core Ultra 7 265KF was priced at $379, while the Xeon w7-3545 came in at $2039. On launch pricing ($379 vs $2039), Core Ultra 7 265KF was $1660 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265KF delivers 154.9 pts/$ vs 28.7 pts/$ for the Xeon w7-3545 — making the Core Ultra 7 265KF the 137.5% better value option.

FeatureCore Ultra 7 265KFXeon w7-3545
MSRP
$379-81%
$2039
Performance per Dollar
154.9+440%
28.7
Release Date
2024
2023

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