Core i9-9940X vs Xeon 6369P

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 i9-9940X vs Xeon 6369P 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 i9-9940X vs Xeon 6369P: Pros, Cons & Final Verdict

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

Core i9-9940X

2018

Why buy it

✅120% more PCIe lanes (44 vs 20) for storage and expansion-heavy builds.
✅AVX-512 support for select workstation, AI, and scientific workloads.

Trade-offs

❌Lower PassMark (28,088 vs 28,213).
❌Smaller total L3 cache (19 MB vs 24 MB).
❌Launch MSRP is still $1,387 MSRP, while Xeon 6369P mostly shows up through inconsistent older-market listings.
❌73.7% higher power demand at 165W vs 95W.
❌Older platform position on LGA2066 with DDR4, while Xeon 6369P moves to LGA1700 and DDR5.

Xeon 6369P

2025

Why buy it

✅+24.7% larger total L3 cache (24 MB vs 19 MB).
✅Draws 95W instead of 165W, a 70W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌No AVX-512 support for niche heavy compute workloads where it can matter.

Quick Answers

So, is Xeon 6369P better than Core i9-9940X?

Not really, because they are built for different jobs. Xeon 6369P makes more sense for workstation-style multi-core throughput, while Core i9-9940X is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon 6369P is the better pick. According to our tests, it delivers 2.6% 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, Xeon 6369P is the stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 24.7% larger total L3 cache (24 MB vs 19 MB).

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

Xeon 6369P is still the much better call for a fresh build. Xeon 6369P comes in at an unclear MSRP at unclear MSRP versus $1,387 MSRP, and it still gives you a 2.6% average FPS lead across 50 shared CPU game tests in our data. Core i9-9940X only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2018 platform. Even with 100.0% better value on paper (20.3 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on LGA2066.

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

Xeon 6369P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2018), a healthier platform with LGA1700 and DDR5 instead of LGA2066, 24.7% larger total L3 cache (24 MB vs 19 MB), and more multi-core headroom with 8 cores / 16 threads instead of 14/28. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-9940X vs Xeon 6369P Technical Specifications

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

Core i9-9940X

The Core i9-9940X is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.5 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2666. Passmark benchmark score: 28,088 points. Launch price was $1,387.

Xeon 6369P

The Xeon 6369P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.4 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 95 Watt. Memory support: DDR5-4800. Passmark benchmark score: 28,213 points. Launch price was $606.

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Processing Power

The Core i9-9940X packs 14 cores / 28 threads, while the Xeon 6369P offers 8 cores / 16 threads — the Core i9-9940X has 6 more cores. Boost clocks reach 4.5 GHz on the Core i9-9940X versus 5.4 GHz on the Xeon 6369P — a 18.2% clock advantage for the Xeon 6369P (base: 3.3 GHz vs 3.3 GHz). The Core i9-9940X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Xeon 6369P uses Raptor Lake-R (2023−2025) (Intel 7 nm). In PassMark, the Core i9-9940X scores 28,088 against the Xeon 6369P's 28,213 — a 0.4% lead for the Xeon 6369P. L3 cache: 19.25 MB (total) on the Core i9-9940X vs 24 MB (total) on the Xeon 6369P.

Feature	Core i9-9940X	Xeon 6369P
Cores / Threads	14 / 28+75%	8 / 16
Boost Clock	4.5 GHz	5.4 GHz+20%
Base Clock	3.3 GHz	3.3 GHz
L3 Cache	19.25 MB (total)	24 MB (total)+25%
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	14 nm	Intel 7 nm-50%
Architecture	Skylake (server) (2017−2018)	Raptor Lake-R (2023−2025)
PassMark	28,088	28,213
Cinebench R23 Multi	—	14,000
Geekbench 6 Single	—	2,600
Geekbench 6 Multi	—	10,000

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Memory & Platform

The Core i9-9940X uses the LGA2066 socket (PCIe 3.0), while the Xeon 6369P uses LGA1700 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i9-9940X versus DDR5-4800 / DDR4-3200 on the Xeon 6369P — the Xeon 6369P supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Memory channels: 4 (Core i9-9940X) vs 2 (Xeon 6369P). PCIe lanes: 44 (Core i9-9940X) vs 20 (Xeon 6369P) — the Core i9-9940X offers 24 more lanes for additional GPUs or NVMe drives.

Feature	Core i9-9940X	Xeon 6369P
Socket	LGA2066	LGA1700
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2666	DDR5-4800 / DDR4-3200+80%
Max RAM Capacity	128 GB	128 GB
RAM Channels	4+100%	2
ECC Support	No	Yes
PCIe Lanes	44+120%	20

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Advanced Features

Only the Core i9-9940X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Core i9-9940X supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-9940X) vs VT-x, VT-d, EPT (Xeon 6369P). Primary use case: Core i9-9940X targets Workstation, Xeon 6369P targets Workstation / AI Inference. Direct competitor: Xeon 6369P rivals Core i7-14700K.