Xeon Gold 6346 vs Xeon Platinum 8280

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 6346 vs Xeon Platinum 8280 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 6346 vs Xeon Platinum 8280: 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 6346

2021

Why buy it

✅Better for gaming: +3.9% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $7,301 less on MSRP ($2,708 MSRP vs $10,009 MSRP).
✅Delivers 278.7% more PassMark for each dollar spent, at 13.9 vs 3.7 PassMark/$ ($2,708 MSRP vs $10,009 MSRP).
✅33.3% more PCIe lanes (64 vs 48) for storage and expansion-heavy builds.

Trade-offs

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

Xeon Platinum 8280

2019

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6346 across 50 shared CPU benchmark tests.
❌Lower PassMark (36,830 vs 37,739).
❌Lower PassMark per dollar, at 3.7 vs 13.9 PassMark/$ ($10,009 MSRP vs $2,708 MSRP).

Quick Answers

So, is Xeon Gold 6346 better than Xeon Platinum 8280?

Yes. Xeon Gold 6346 is the better all-around CPU here. It gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data, 2.5% 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 6346 is the better pick. According to our tests, it delivers 3.9% 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 6346 is the stronger fit. You are getting 2.5% better PassMark, backed by 16 cores and 32 threads.

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

Xeon Gold 6346 is the better buy right now. Xeon Gold 6346 comes in $7,301 cheaper on MSRP at $2,708 MSRP versus $10,009 MSRP, and it still gives you a 3.9% average FPS lead across 50 shared CPU game tests in our data. It is also 278.7% better value on MSRP (13.9 vs 3.7 PassMark/$), 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 Gold 6346 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019) and more multi-core headroom with 16 cores / 32 threads instead of 28/56. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon Gold 6346 vs Xeon Platinum 8280 Technical Specifications

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

Xeon Gold 6346

The Xeon Gold 6346 is manufactured by Intel. It was released in 2015-01-01. It is based on the Ice Lake-SP (2021) architecture. It features 16 cores and 32 threads. Base frequency is 3.1 GHz, with boost up to 3.6 GHz. L3 cache: 36 MB (total). L2 cache: 1 MB (per core). Built on 10 nm process technology. Socket: LGA4189. Thermal design power (TDP): 205 Watt. Memory support: DDR4-3200. Passmark benchmark score: 37,739 points. Launch price was $800.

Xeon Platinum 8280

The Xeon Platinum 8280 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: 36,830 points. Launch price was $10,009.

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Processing Power

The Xeon Gold 6346 packs 16 cores / 32 threads, while the Xeon Platinum 8280 offers 28 cores / 56 threads — the Xeon Platinum 8280 has 12 more cores. Boost clocks reach 3.6 GHz on the Xeon Gold 6346 versus 4 GHz on the Xeon Platinum 8280 — a 10.5% clock advantage for the Xeon Platinum 8280 (base: 3.1 GHz vs 2.7 GHz). The Xeon Gold 6346 uses the Ice Lake-SP (2021) architecture (10 nm), while the Xeon Platinum 8280 uses Cascade Lake-SP (2018) (14 nm). In PassMark, the Xeon Gold 6346 scores 37,739 against the Xeon Platinum 8280's 36,830 — a 2.4% lead for the Xeon Gold 6346. L3 cache: 36 MB (total) on the Xeon Gold 6346 vs 38.5 MB (total) on the Xeon Platinum 8280.

Feature	Xeon Gold 6346	Xeon Platinum 8280
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	3.6 GHz	4 GHz+11%
Base Clock	3.1 GHz+15%	2.7 GHz
L3 Cache	36 MB (total)	38.5 MB (total)+7%
L2 Cache	1 MB (per core)	1 MB (per core)
Process	10 nm-29%	14 nm
Architecture	Ice Lake-SP (2021)	Cascade Lake-SP (2018)
PassMark	37,739+2%	36,830

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Memory & Platform

The Xeon Gold 6346 uses the LGA4189 socket (PCIe 4.0), while the Xeon Platinum 8280 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 3200 on the Xeon Gold 6346 versus 2933 on the Xeon Platinum 8280 — the Xeon Gold 6346 supports 9.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6346 supports up to 6144 of RAM compared to 1536 — 300% more capacity for professional workloads. Memory channels: 8 (Xeon Gold 6346) vs 6 (Xeon Platinum 8280). PCIe lanes: 64 (Xeon Gold 6346) vs 48 (Xeon Platinum 8280) — the Xeon Gold 6346 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: C621A (Xeon Gold 6346) and LGA3647 (Xeon Platinum 8280).

Feature	Xeon Gold 6346	Xeon Platinum 8280
Socket	LGA4189	LGA3647
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	3200+9%	2933
Max RAM Capacity	6144+300%	1536
RAM Channels	8+33%	6
ECC Support	Yes	Yes
PCIe Lanes	64+33%	48

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Advanced Features

Neither processor supports overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Both support VT-x, VT-d virtualization. Direct competitor: Xeon Gold 6346 rivals EPYC 73F3; Xeon Platinum 8280 rivals EPYC 7702.

Feature	Xeon Gold 6346	Xeon Platinum 8280
Integrated GPU	No	No
IGPU Model	None	None
Unlocked	No	No
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

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Value Analysis

At launch, the Xeon Gold 6346 was priced at $2708, while the Xeon Platinum 8280 came in at $10009. On launch pricing ($2708 vs $10009), Xeon Gold 6346 was $7301 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon Gold 6346 delivers 13.9 pts/$ vs 3.7 pts/$ for the Xeon Platinum 8280 — making the Xeon Gold 6346 the 116.4% better value option.

Feature	Xeon Gold 6346	Xeon Platinum 8280
MSRP	$2708-73%	$10009
Performance per Dollar	13.9+276%	3.7
Release Date	2021	2019

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