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.

Xeon Gold 6426Y vs Xeon Platinum 8280M 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.

Xeon Gold 6426Y vs Xeon Platinum 8280M: Pros, Cons & Final Verdict

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

Xeon Gold 6426Y

2023

Why buy it

✅Better for gaming: +12.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $7,864 less on MSRP ($2,145 MSRP vs $10,009 MSRP).
✅Delivers 370.1% more PassMark for each dollar spent, at 17.7 vs 3.8 PassMark/$ ($2,145 MSRP vs $10,009 MSRP).
✅Draws 185W instead of 205W, a 20W reduction.
✅Newer platform on LGA4677 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Xeon Platinum 8280M

2019

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6426Y across 50 shared CPU benchmark tests.
❌Lower PassMark (37,665 vs 37,944).
❌Lower PassMark per dollar, at 3.8 vs 17.7 PassMark/$ ($10,009 MSRP vs $2,145 MSRP).
❌Older platform position on LGA3647 with DDR4, while Xeon Gold 6426Y moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Gold 6426Y better than Xeon Platinum 8280M?

Yes. Xeon Gold 6426Y is the better all-around CPU here. It gives you a 12.1% average FPS lead across 50 shared CPU game tests in our data, 0.7% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon Gold 6426Y is the better pick. According to our tests, it delivers 12.1% 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 0.7% better PassMark, backed by 16 cores and 32 threads.

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

Xeon Gold 6426Y is the better buy right now. Xeon Gold 6426Y comes in $7,864 cheaper on MSRP at $2,145 MSRP versus $10,009 MSRP, and it still gives you a 12.1% average FPS lead across 50 shared CPU game tests in our data. It is also 370.1% better value on MSRP (17.7 vs 3.8 PassMark/$), 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 Gold 6426Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with LGA4677 and DDR5 instead of LGA3647, and more multi-core headroom with 16 cores / 32 threads instead of 28/56. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 6426Y vs Xeon Platinum 8280M Technical Specifications

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

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.

Xeon Platinum 8280M

The Xeon Platinum 8280M is manufactured by Intel. It was released in 11 December 2018 (6 years ago). It is based on the Cascade Lake-SP (2018) architecture. It features 28 cores and 56 threads. Base frequency is 2.7 GHz, with boost up to 4 GHz. L3 cache: 38.5 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 37,665 points. Launch price was $13,012.

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Processing Power

The Xeon Gold 6426Y packs 16 cores / 32 threads, while the Xeon Platinum 8280M offers 28 cores / 56 threads — the Xeon Platinum 8280M has 12 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 6426Y versus 4 GHz on the Xeon Platinum 8280M — a 2.5% clock advantage for the Xeon Gold 6426Y (base: 2.5 GHz vs 2.7 GHz). The Xeon Gold 6426Y uses the Sapphire Rapids (2023−2024) architecture (Intel 7 nm), while the Xeon Platinum 8280M uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Xeon Gold 6426Y scores 37,944 against the Xeon Platinum 8280M's 37,665 — a 0.7% lead for the Xeon Gold 6426Y. L3 cache: 37.5 MB on the Xeon Gold 6426Y vs 38.5 MB (total) on the Xeon Platinum 8280M.

Feature	Xeon Gold 6426Y	Xeon Platinum 8280M
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	4.1 GHz+2%	4 GHz
Base Clock	2.5 GHz	2.7 GHz+8%
L3 Cache	37.5 MB	38.5 MB (total)+3%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm-50%	14 nm
Architecture	Sapphire Rapids (2023−2024)	Cascade Lake-SP (2018)
PassMark	37,944	37,665
Cinebench R23 Multi	—	35,400
Geekbench 6 Single	—	1,214
Geekbench 6 Multi	—	11,500

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Memory & Platform

The Xeon Gold 6426Y uses the LGA4677 socket (PCIe 5.0), while the Xeon Platinum 8280M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 4800 on the Xeon Gold 6426Y versus DDR4-2933 on the Xeon Platinum 8280M — the Xeon Gold 6426Y supports 63.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6426Y supports up to 4096 GB of RAM compared to 2048 GB — 100% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6426Y) vs 6 (Xeon Platinum 8280M). PCIe lanes: 80 (Xeon Gold 6426Y) vs 48 (Xeon Platinum 8280M) — the Xeon Gold 6426Y offers 32 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA4677 (Xeon Gold 6426Y) and C621,C622,C624,C627,C628 (Xeon Platinum 8280M).

Feature	Xeon Gold 6426Y	Xeon Platinum 8280M
Socket	LGA4677	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	4800+64%	DDR4-2933
Max RAM Capacity	4096 GB+100%	2048 GB
RAM Channels	8+33%	6
ECC Support	Yes	Yes
PCIe Lanes	80+67%	48

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Xeon Gold 6426Y) vs VT-x, VT-d, EPT (Xeon Platinum 8280M). Primary use case: Xeon Platinum 8280M targets High-end Server. Direct competitor: Xeon Gold 6426Y rivals EPYC 8124P; Xeon Platinum 8280M rivals EPYC 7742.

Feature	Xeon Gold 6426Y	Xeon Platinum 8280M
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	—	High-end Server

💰

Value Analysis

At launch, the Xeon Gold 6426Y was priced at $2145, while the Xeon Platinum 8280M came in at $10009. On launch pricing ($2145 vs $10009), Xeon Gold 6426Y was $7864 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6426Y delivers 17.7 pts/$ vs 3.8 pts/$ for the Xeon Platinum 8280M — making the Xeon Gold 6426Y the 129.8% better value option.

Feature	Xeon Gold 6426Y	Xeon Platinum 8280M
MSRP	$2145-79%	$10009
Performance per Dollar	17.7+366%	3.8
Release Date	2023	2019

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