Core Ultra 7 265KF vs Xeon w7-3545

Intel

Core Ultra 7 265KF

20 Cores20 Thrd125 WWMax: 5.5 GHz2024

Popular choices:

VS
Intel

Xeon w7-3545

24 Cores48 Thrd310 WWMax: 4.8 GHz2023

Popular choices:

Performance Spectrum - CPU

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core Ultra 7 265KF

2024

Why buy it

  • +25.8% higher Geekbench multi-core.
  • 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

  • Worse for gaming: lower average FPS than Xeon w7-3545 across 4 shared CPU benchmark tests.
  • 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.

Xeon w7-3545

2023

Why buy it

  • Better for gaming: +11.9% higher average FPS across 4 shared CPU benchmark tests.
  • +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

  • 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 in a simple one-size-fits-all way. Xeon w7-3545 makes more sense for workstation-style multi-core throughput, while Core Ultra 7 265KF is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core Ultra 7 265KF is the better 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 smarter buy today. Core Ultra 7 265KF is $1,660 cheaper on MSRP at $379 MSRP versus $2,039 MSRP, and it gives you 25.8% better Geekbench multi-core. The trade-off is that Xeon w7-3545 is still the better pure gaming CPU with a 11.9% average FPS lead across 4 shared CPU game tests in our data. It is also 440.2% better value on MSRP (154.9 vs 28.7 PassMark/$), so the better CPU is not just faster, it is also the cleaner value play on paper.
Which one is more future-proof for 2026 and beyond?
Core Ultra 7 265KF is the more future-proof choice 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 should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Path of Exile 2

Path of Exile 2

PresetCore Ultra 7 265KFXeon w7-3545
1080p
low305 FPS311 FPS
medium290 FPS301 FPS
high244 FPS242 FPS
ultra205 FPS204 FPS
1440p
low240 FPS270 FPS
medium201 FPS233 FPS
high163 FPS175 FPS
ultra142 FPS154 FPS
4K
low158 FPS184 FPS
medium132 FPS157 FPS
high102 FPS118 FPS
ultra89 FPS106 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore Ultra 7 265KFXeon w7-3545
1080p
low778 FPS682 FPS
medium656 FPS593 FPS
high548 FPS482 FPS
ultra491 FPS427 FPS
1440p
low673 FPS551 FPS
medium595 FPS489 FPS
high499 FPS415 FPS
ultra422 FPS341 FPS
4K
low395 FPS324 FPS
medium357 FPS288 FPS
high335 FPS267 FPS
ultra292 FPS234 FPS
League of Legends

League of Legends

PresetCore Ultra 7 265KFXeon w7-3545
1080p
low851 FPS1025 FPS
medium694 FPS1057 FPS
high617 FPS974 FPS
ultra528 FPS834 FPS
1440p
low731 FPS1001 FPS
medium599 FPS888 FPS
high521 FPS802 FPS
ultra442 FPS656 FPS
4K
low517 FPS600 FPS
medium436 FPS517 FPS
high396 FPS461 FPS
ultra337 FPS397 FPS
Valorant

Valorant

PresetCore Ultra 7 265KFXeon w7-3545
1080p
low1128 FPS1212 FPS
medium1015 FPS1015 FPS
high889 FPS925 FPS
ultra808 FPS809 FPS
1440p
low892 FPS980 FPS
medium789 FPS845 FPS
high687 FPS736 FPS
ultra611 FPS635 FPS
4K
low604 FPS727 FPS
medium542 FPS632 FPS
high489 FPS557 FPS
ultra432 FPS437 FPS

Technical Specifications

Side-by-side comparison of Core Ultra 7 265KF and Xeon w7-3545

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. Both support up to DDR5-6400 memory speed. The Xeon w7-3545 supports up to 4096 GB of RAM compared to 192 GB 182.1% 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
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

The Core Ultra 7 265KF launched at $379 MSRP, while the Xeon w7-3545 debuted at $2039. On MSRP ($379 vs $2039), the Core Ultra 7 265KF is $1660 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265KF delivers 154.9 pts/$ 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