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 i9-12900F vs Xeon Gold 6338T 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 i9-12900F vs Xeon Gold 6338T: Pros, Cons & Final Verdict

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

Core i9-12900F

2022

Why buy it

✅Better for gaming: +13.8% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,645 less on MSRP ($494 MSRP vs $3,139 MSRP).
✅Delivers 536.7% more PassMark for each dollar spent, at 72.6 vs 11.4 PassMark/$ ($494 MSRP vs $3,139 MSRP).
✅Draws 65W instead of 165W, a 100W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA4189 and DDR4.

Trade-offs

❌Smaller total L3 cache (30 MB vs 36 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6338T, which brings 24 cores / 48 threads and 64 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6338T

2021

Why buy it

✅+20% larger total L3 cache (36 MB vs 30 MB).
✅Better for workstations and heavier parallel workloads: 24 cores / 48 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-12900F across 50 shared CPU benchmark tests.
❌Lower PassMark (35,801 vs 35,873).
❌Lower PassMark per dollar, at 11.4 vs 72.6 PassMark/$ ($3,139 MSRP vs $494 MSRP).
❌153.8% higher power demand at 165W vs 65W.
❌Older platform position on LGA4189 with DDR4, while Core i9-12900F moves to LGA1700 and DDR5.

Quick Answers

So, is Core i9-12900F better than Xeon Gold 6338T?

Not really, because they are built for different jobs. Xeon Gold 6338T makes more sense for workstation-style multi-core throughput, while Core i9-12900F 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 i9-12900F is the better pick. According to our tests, it delivers 13.8% 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 i9-12900F is the stronger fit. You are getting 0.2% better PassMark, backed by 16 cores and 24 threads.

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

Core i9-12900F is the better buy right now. Core i9-12900F comes in $2,645 cheaper on MSRP at $494 MSRP versus $3,139 MSRP, and it still gives you a 13.8% average FPS lead across 50 shared CPU game tests in our data. It is also 536.7% better value on MSRP (72.6 vs 11.4 PassMark/$), 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 i9-12900F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2021), a healthier platform with LGA1700 and DDR5 instead of LGA4189, and more multi-core headroom with 16 cores / 24 threads instead of 24/48. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-12900F vs Xeon Gold 6338T Technical Specifications

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

Core i9-12900F

The Core i9-12900F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 16 cores and 24 threads. Base frequency is 2.4 GHz, with boost up to 5.1 GHz. L3 cache: 30 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 35,873 points. Launch price was $499.

Xeon Gold 6338T

The Xeon Gold 6338T is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 24 cores and 48 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 165 Watt. Memory support: DDR4-3200. Passmark benchmark score: 35,801 points. Launch price was $800.

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Processing Power

The Core i9-12900F packs 16 cores / 24 threads, while the Xeon Gold 6338T offers 24 cores / 48 threads — the Xeon Gold 6338T has 8 more cores. Boost clocks reach 5.1 GHz on the Core i9-12900F versus 3.4 GHz on the Xeon Gold 6338T — a 40% clock advantage for the Core i9-12900F (base: 2.4 GHz vs 2.1 GHz). The Core i9-12900F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Gold 6338T uses Ice Lake-SP (2021) (10 nm). In PassMark, the Core i9-12900F scores 35,873 against the Xeon Gold 6338T's 35,801 — a 0.2% lead for the Core i9-12900F. L3 cache: 30 MB (total) on the Core i9-12900F vs 36 MB (total) on the Xeon Gold 6338T.

Feature	Core i9-12900F	Xeon Gold 6338T
Cores / Threads	16 / 24	24 / 48+50%
Boost Clock	5.1 GHz+50%	3.4 GHz
Base Clock	2.4 GHz+14%	2.1 GHz
L3 Cache	30 MB (total)	36 MB (total)+20%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	Intel 7 nm-30%	10 nm
Architecture	Alder Lake-S (2022)	Ice Lake-SP (2021)
PassMark	35,873	35,801

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Memory & Platform

The Core i9-12900F uses the LGA1700 socket (PCIe 5.0), while the Xeon Gold 6338T uses LGA4189 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Core i9-12900F versus 3200 on the Xeon Gold 6338T — the Core i9-12900F supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6338T supports up to 6144 of RAM compared to 128 — 4700% more capacity for professional workloads. Memory channels: 2 (Core i9-12900F) vs 8 (Xeon Gold 6338T). PCIe lanes: 20 (Core i9-12900F) vs 64 (Xeon Gold 6338T) — the Xeon Gold 6338T offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z690,B660 (Core i9-12900F) and C621A (Xeon Gold 6338T).

Feature	Core i9-12900F	Xeon Gold 6338T
Socket	LGA1700	LGA4189
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	4800+50%	3200
Max RAM Capacity	128	6144+4700%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	20	64+220%

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Advanced Features

Neither processor supports overclocking. Only the Xeon Gold 6338T supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Direct competitor: Core i9-12900F rivals Ryzen 9 5900X; Xeon Gold 6338T rivals EPYC 7443P.

Feature	Core i9-12900F	Xeon Gold 6338T
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the Core i9-12900F was priced at $494, while the Xeon Gold 6338T came in at $3139. On launch pricing ($494 vs $3139), Core i9-12900F was $2645 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-12900F delivers 72.6 pts/$ vs 11.4 pts/$ for the Xeon Gold 6338T — making the Core i9-12900F the 145.7% better value option.

Feature	Core i9-12900F	Xeon Gold 6338T
MSRP	$494-84%	$3139
Performance per Dollar	72.6+537%	11.4
Release Date	2022	2021

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