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 i9-14900K 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 i9-14900K 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 i9-14900K

2023

Why buy it

✅Better for gaming: +7.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,450 less on MSRP ($589 MSRP vs $2,039 MSRP).
✅Delivers 246.7% more PassMark for each dollar spent, at 99.4 vs 28.7 PassMark/$ ($589 MSRP vs $2,039 MSRP).
✅Draws 125W instead of 310W, a 185W reduction.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon w7-3545 needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (36 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

✅+87.5% larger total L3 cache (68 MB vs 36 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 Core i9-14900K across 50 shared CPU benchmark tests.
❌Lower PassMark (58,453 vs 58,544).
❌Lower PassMark per dollar, at 28.7 vs 99.4 PassMark/$ ($2,039 MSRP vs $589 MSRP).
❌148% higher power demand at 310W vs 125W.
❌No integrated graphics, while Core i9-14900K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-14900K 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 i9-14900K 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 i9-14900K is the better pick. According to our tests, it delivers 7.2% 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, Core i9-14900K is the stronger fit. You are getting 0.2% better PassMark, backed by 24 cores and 32 threads.

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

Core i9-14900K is the better buy right now. Core i9-14900K comes in $1,450 cheaper on MSRP at $589 MSRP versus $2,039 MSRP, and it still gives you a 7.2% average FPS lead across 50 shared CPU game tests in our data. It is also 246.7% better value on MSRP (99.4 vs 28.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Xeon w7-3545 makes more sense long term for 2026 and beyond. You are getting 87.5% larger total L3 cache (68 MB vs 36 MB) and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core i9-14900K vs Xeon w7-3545 Technical Specifications

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

Core i9-14900K

The Core i9-14900K is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 58,544 points. Launch price was $589.

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.

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Processing Power

The Core i9-14900K packs 24 cores / 32 threads, matching the Xeon w7-3545's 24 cores. Boost clocks reach 5.8 GHz on the Core i9-14900K versus 4.8 GHz on the Xeon w7-3545 — a 18.9% clock advantage for the Core i9-14900K (base: 3.2 GHz vs 2.7 GHz). The Core i9-14900K uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Xeon w7-3545 uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i9-14900K scores 58,544 against the Xeon w7-3545's 58,453 — a 0.2% lead for the Core i9-14900K. L3 cache: 36 MB (total) on the Core i9-14900K vs 67.5 MB on the Xeon w7-3545.

Feature	Core i9-14900K	Xeon w7-3545
Cores / Threads	24 / 32	24 / 48
Boost Clock	5.8 GHz+21%	4.8 GHz
Base Clock	3.2 GHz+19%	2.7 GHz
L3 Cache	36 MB (total)	67.5 MB+88%
L2 Cache	2 MB (per core)	2 MB (per core)
Process	Intel 7 nm	Intel 7 nm
Architecture	Raptor Lake-R (2023−2025)	Sapphire Rapids (2023−2024)
PassMark	58,544	58,453
Geekbench 6 Single	—	2,300
Geekbench 6 Multi	—	16,200

🧠

Memory & Platform

The Core i9-14900K uses the LGA1700 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 5600 on the Core i9-14900K versus DDR5-4800 on the Xeon w7-3545 — the Core i9-14900K supports 16.7% 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 i9-14900K) vs 8 (Xeon w7-3545). PCIe lanes: 20 (Core i9-14900K) vs 112 (Xeon w7-3545) — the Xeon w7-3545 offers 92 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,Z690 (Core i9-14900K) and Intel W790 (Xeon w7-3545).

Feature	Core i9-14900K	Xeon w7-3545
Socket	LGA1700	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5600+17%	DDR5-4800
Max RAM Capacity	192 GB	4096 GB+2033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	112+460%

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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. Virtualization support: VT-x, VT-d (Core i9-14900K) vs true (Xeon w7-3545). The Core i9-14900K includes integrated graphics (Intel UHD Graphics 770), while the Xeon w7-3545 requires a dedicated GPU. Direct competitor: Core i9-14900K rivals Ryzen 9 7950X; Xeon w7-3545 rivals Threadripper PRO 7965WX.

Feature	Core i9-14900K	Xeon w7-3545
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	true

💰

Value Analysis

At launch, the Core i9-14900K was priced at $589, while the Xeon w7-3545 came in at $2039. On launch pricing ($589 vs $2039), Core i9-14900K was $1450 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-14900K delivers 99.4 pts/$ vs 28.7 pts/$ for the Xeon w7-3545 — making the Core i9-14900K the 110.5% better value option.

Feature	Core i9-14900K	Xeon w7-3545
MSRP	$589-71%	$2039
Performance per Dollar	99.4+246%	28.7
Release Date	2023	2023

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