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 265K

2024

Why buy it

✅+37.6% higher Geekbench multi-core.
✅Costs $1,730 less on MSRP ($309 MSRP vs $2,039 MSRP).
✅Delivers 563.7% more PassMark for each dollar spent, at 190.3 vs 28.7 PassMark/$ ($309 MSRP vs $2,039 MSRP).
✅Draws 125W instead of 310W, a 185W reduction.
✅Integrated graphics onboard with Arc Graphics 64EU, while Xeon w7-3545 needs a discrete GPU.

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 20.
✅460% more PCIe lanes (112 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench multi-core (16,200 vs 22,293).
❌Lower PassMark per dollar, at 28.7 vs 190.3 PassMark/$ ($2,039 MSRP vs $309 MSRP).
❌148% higher power demand at 310W vs 125W.
❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.

Core Ultra 7 265K

2024

Xeon w7-3545

2023

Why buy it

✅+37.6% higher Geekbench multi-core.
✅Costs $1,730 less on MSRP ($309 MSRP vs $2,039 MSRP).
✅Delivers 563.7% more PassMark for each dollar spent, at 190.3 vs 28.7 PassMark/$ ($309 MSRP vs $2,039 MSRP).
✅Draws 125W instead of 310W, a 185W reduction.
✅Integrated graphics onboard with Arc Graphics 64EU, while Xeon w7-3545 needs a discrete GPU.

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 20.
✅460% more PCIe lanes (112 vs 20) for storage and expansion-heavy builds.

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.

Trade-offs

❌Lower Geekbench multi-core (16,200 vs 22,293).
❌Lower PassMark per dollar, at 28.7 vs 190.3 PassMark/$ ($2,039 MSRP vs $309 MSRP).
❌148% higher power demand at 310W vs 125W.
❌No integrated graphics, while Core Ultra 7 265K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 7 265K 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 265K 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 265K is the better fit. You are getting 37.6% 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 smarter buy today. Core Ultra 7 265K is $1,730 cheaper on MSRP at $309 MSRP versus $2,039 MSRP, and it gives you 37.6% better Geekbench multi-core. The trade-off is that Xeon w7-3545 is still the better pure gaming CPU with a 11.9% average FPS lead across 4 shared CPU game tests in our data. It is also 563.7% better value on MSRP (190.3 vs 28.7 PassMark/$), 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 265K 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.

Core Ultra 7 265K Benchmark Check

Xeon w7-3545 Benchmark Check

Path of Exile 2

Preset	Core Ultra 7 265K	Xeon w7-3545
1080p
low	305 FPS	311 FPS
medium	290 FPS	301 FPS
high	244 FPS	242 FPS
ultra	205 FPS	204 FPS
1440p
low	240 FPS	270 FPS
medium	201 FPS	233 FPS
high	163 FPS	175 FPS
ultra	142 FPS	154 FPS
4K
low	158 FPS	184 FPS
medium	132 FPS	157 FPS
high	102 FPS	118 FPS
ultra	89 FPS	106 FPS

Open Core Ultra 7 265K Open Xeon w7-3545

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core Ultra 7 265K	Xeon w7-3545
1080p
low	778 FPS	682 FPS
medium	656 FPS	593 FPS
high	548 FPS	482 FPS
ultra	491 FPS	427 FPS
1440p
low	673 FPS	551 FPS
medium	595 FPS	489 FPS
high	499 FPS	415 FPS
ultra	422 FPS	341 FPS
4K
low	395 FPS	324 FPS
medium	357 FPS	288 FPS
high	335 FPS	267 FPS
ultra	292 FPS	234 FPS

Open Core Ultra 7 265K Open Xeon w7-3545

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core Ultra 7 265K	Xeon w7-3545
1080p
low	851 FPS	1025 FPS
medium	694 FPS	1057 FPS
high	617 FPS	974 FPS
ultra	528 FPS	834 FPS
1440p
low	731 FPS	1001 FPS
medium	599 FPS	888 FPS
high	521 FPS	802 FPS
ultra	442 FPS	656 FPS
4K
low	517 FPS	600 FPS
medium	436 FPS	517 FPS
high	396 FPS	461 FPS
ultra	337 FPS	397 FPS

Open Core Ultra 7 265K Open Xeon w7-3545

League of Legends

League of Legends

Valorant

Preset	Core Ultra 7 265K	Xeon w7-3545
1080p
low	1128 FPS	1212 FPS
medium	1015 FPS	1015 FPS
high	889 FPS	925 FPS
ultra	808 FPS	809 FPS
1440p
low	892 FPS	980 FPS
medium	789 FPS	845 FPS
high	687 FPS	736 FPS
ultra	611 FPS	635 FPS
4K
low	604 FPS	727 FPS
medium	542 FPS	632 FPS
high	489 FPS	557 FPS
ultra	432 FPS	437 FPS

Open Core Ultra 7 265K Open Xeon w7-3545

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

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

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.

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 265K 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 265K versus 4.8 GHz on the Xeon w7-3545 — a 13.6% clock advantage for the Core Ultra 7 265K (base: 3.9 GHz vs 2.7 GHz). The Core Ultra 7 265K 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 265K scores 58,789 against the Xeon w7-3545's 58,453 — a 0.6% lead for the Core Ultra 7 265K. Geekbench 6 single-core — the metric most relevant to gaming — records 3,283 vs 2,300, a 35.2% lead for the Core Ultra 7 265K that directly translates to higher frame rates. Multi-core Geekbench: 22,293 vs 16,200 (31.7% advantage for the Core Ultra 7 265K). L3 cache: 30 MB (total) on the Core Ultra 7 265K vs 67.5 MB on the Xeon w7-3545.

Feature	Core Ultra 7 265K	Xeon 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	58,789	58,453
Cinebench R23 Multi	36,309	—
Geekbench 6 Single	3,283+43%	2,300
Geekbench 6 Multi	22,293+38%	16,200

🧠

Memory & Platform

The Core Ultra 7 265K 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 256 GB — 176.5% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 265K) vs 8 (Xeon w7-3545). PCIe lanes: 20 (Core Ultra 7 265K) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 92 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA1851 (Core Ultra 7 265K) and Intel W790 (Xeon w7-3545).

Feature	Core Ultra 7 265K	Xeon w7-3545
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400	DDR5-4800
Max RAM Capacity	256 GB	4096 GB+1500%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	112+460%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. 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 w7-3545). The Core Ultra 7 265K includes integrated graphics (Arc Graphics 64EU), while the Xeon w7-3545 requires a dedicated GPU. Direct competitor: Xeon w7-3545 rivals Threadripper PRO 7965WX.

Feature	Core Ultra 7 265K	Xeon w7-3545
Integrated GPU	Yes	No
IGPU Model	Arc Graphics 64EU	None
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

The Core Ultra 7 265K launched at $309 MSRP, while the Xeon w7-3545 debuted at $2039. On MSRP ($309 vs $2039), the Core Ultra 7 265K is $1730 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 7 265K delivers 190.3 pts/$ vs 28.7 pts/$ for the Xeon w7-3545 — making the Core Ultra 7 265K the 147.6% better value option.