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 i5-12400F vs Xeon Gold 6426Y 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 i5-12400F vs Xeon Gold 6426Y: Pros, Cons & Final Verdict

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

Core i5-12400F

2022

Why buy it

✅Costs $1,971 less on MSRP ($174 MSRP vs $2,145 MSRP).
✅Delivers 534.6% more PassMark for each dollar spent, at 112.3 vs 17.7 PassMark/$ ($174 MSRP vs $2,145 MSRP).
✅Draws 65W instead of 185W, a 120W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon Gold 6426Y.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6426Y across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 37,944).
❌Smaller total L3 cache (18 MB vs 38 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6426Y, which brings 16 cores / 32 threads and 80 PCIe lanes.

Xeon Gold 6426Y

2023

Why buy it

✅Better for gaming: +18.9% higher average FPS across 50 shared CPU benchmark tests.
✅+108.3% larger total L3 cache (38 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 17.7 vs 112.3 PassMark/$ ($2,145 MSRP vs $174 MSRP).
❌184.6% higher power demand at 185W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Xeon Gold 6426Y better than Core i5-12400F?

Not really, because they are built for different jobs. Xeon Gold 6426Y makes more sense for workstation-style multi-core throughput, while Core i5-12400F 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 Gold 6426Y is the better pick. According to our tests, it delivers 18.9% 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 Gold 6426Y is the stronger fit. You are getting 94.3% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 108.3% larger total L3 cache (38 MB vs 18 MB).

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

Xeon Gold 6426Y is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Xeon Gold 6426Y comes in 1132.8% more expensive on MSRP at $2,145 MSRP versus $174 MSRP, and it still gives you a 18.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 534.6% better value on MSRP (112.3 vs 17.7 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon Gold 6426Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 108.3% larger total L3 cache (38 MB vs 18 MB), more multi-core headroom with 16 cores / 32 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-12400F vs Xeon Gold 6426Y Technical Specifications

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

Core i5-12400F

The Core i5-12400F 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 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 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: 19,532 points. Launch price was $180.

Xeon Gold 6426Y

The Xeon Gold 6426Y is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 4.1 GHz. L3 cache: 37.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 185 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 37,944 points. Launch price was $1,517.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon Gold 6426Y offers 16 cores / 32 threads — the Xeon Gold 6426Y has 10 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 4.1 GHz on the Xeon Gold 6426Y — a 7.1% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.5 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon Gold 6426Y uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon Gold 6426Y's 37,944 — a 64.1% lead for the Xeon Gold 6426Y. L3 cache: 18 MB (total) on the Core i5-12400F vs 37.5 MB on the Xeon Gold 6426Y.

Feature	Core i5-12400F	Xeon Gold 6426Y
Cores / Threads	6 / 12	16 / 32+167%
Boost Clock	4.4 GHz+7%	4.1 GHz
Base Clock	2.5 GHz	2.5 GHz
L3 Cache	18 MB (total)	37.5 MB+108%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Sapphire Rapids (2023−2024)
PassMark	19,532	37,944+94%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

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Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Xeon Gold 6426Y uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Both support up to DDR5-4800, DDR4-3200 memory speed. The Xeon Gold 6426Y supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 8 (Xeon Gold 6426Y). PCIe lanes: 20 (Core i5-12400F) vs 80 (Xeon Gold 6426Y) — the Xeon Gold 6426Y offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and LGA4677 (Xeon Gold 6426Y).

Feature	Core i5-12400F	Xeon Gold 6426Y
Socket	LGA1700	LGA4677
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	4800
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	20	80+300%

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Xeon Gold 6426Y). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Xeon Gold 6426Y rivals EPYC 8124P.

Feature	Core i5-12400F	Xeon Gold 6426Y
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	—	No
AVX-512	—	Yes
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	—

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Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Xeon Gold 6426Y came in at $2145. On launch pricing ($174 vs $2145), Core i5-12400F was $1971 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 17.7 pts/$ for the Xeon Gold 6426Y — making the Core i5-12400F the 145.5% better value option.

Feature	Core i5-12400F	Xeon Gold 6426Y
MSRP	$174-92%	$2145
Performance per Dollar	112.3+534%	17.7
Release Date	2022	2023

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