Xeon Gold 5415+ vs Xeon Gold 6143

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 5415+ vs Xeon Gold 6143 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 5415+ vs Xeon Gold 6143: 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 5415+

2023

Why buy it

✅Better for gaming: +7.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 150W instead of 205W, a 55W 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 Gold 6143

2017

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 5415+ across 50 shared CPU benchmark tests.
❌Lower PassMark (24,786 vs 24,842).
❌Launch MSRP is still $342 MSRP, while Xeon Gold 5415+ mostly shows up through inconsistent older-market listings.
❌36.7% higher power demand at 205W vs 150W.
❌Older platform position on LGA3647 with DDR4, while Xeon Gold 5415+ moves to LGA4677 and DDR5.

Quick Answers

So, is Xeon Gold 5415+ better than Xeon Gold 6143?

Yes. Xeon Gold 5415+ is the better all-around CPU here. It gives you a 7.3% average FPS lead across 50 shared CPU game tests in our data, 0.2% 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 5415+ is the better pick. According to our tests, it delivers 7.3% 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 5415+ is the stronger fit. You are getting 0.2% better PassMark, backed by 8 cores and 16 threads.

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

Xeon Gold 5415+ is still the faster CPU overall, but Xeon Gold 6143 is easier to justify if budget matters more than peak performance. Xeon Gold 5415+ comes in at an unclear MSRP at unclear MSRP versus $342 MSRP, and it still gives you a 7.3% average FPS lead across 50 shared CPU game tests in our data. Xeon Gold 6143 is also 100.0% better value on MSRP (72.5 vs 0.0 PassMark/$), 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 5415+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2017), a healthier platform with LGA4677 and DDR5 instead of LGA3647, and more multi-core headroom with 8 cores / 16 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon Gold 5415+ vs Xeon Gold 6143 Technical Specifications

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

Xeon Gold 5415+

The Xeon Gold 5415+ 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 8 cores and 16 threads. Base frequency is 2.9 GHz, with boost up to 4.1 GHz. L3 cache: 22.5 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4400. Passmark benchmark score: 24,842 points. Launch price was $1,076.

Xeon Gold 6143

The Xeon Gold 6143 is manufactured by Intel. It was released in 2015-01-01. It features 16 cores and 32 threads. Base frequency is 2.8 GHz, with boost up to 4 GHz. L3 cache: 22 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2666. Passmark benchmark score: 24,786 points. Launch price was $800.

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Processing Power

The Xeon Gold 5415+ packs 8 cores / 16 threads, while the Xeon Gold 6143 offers 16 cores / 32 threads — the Xeon Gold 6143 has 8 more cores. Boost clocks reach 4.1 GHz on the Xeon Gold 5415+ versus 4 GHz on the Xeon Gold 6143 — a 2.5% clock advantage for the Xeon Gold 5415+ (base: 2.9 GHz vs 2.8 GHz). The Xeon Gold 5415+ is built on the Sapphire Rapids (2023−2024) architecture. In PassMark, the Xeon Gold 5415+ scores 24,842 against the Xeon Gold 6143's 24,786 — a 0.2% lead for the Xeon Gold 5415+. L3 cache: 22.5 MB on the Xeon Gold 5415+ vs 22 MB on the Xeon Gold 6143.

Feature	Xeon Gold 5415+	Xeon Gold 6143
Cores / Threads	8 / 16	16 / 32+100%
Boost Clock	4.1 GHz+2%	4 GHz
Base Clock	2.9 GHz+4%	2.8 GHz
L3 Cache	22.5 MB+2%	22 MB
L2 Cache	2 MB (per core)	—
Process	10 nm-29%	14 nm
Architecture	Sapphire Rapids (2023−2024)	—
PassMark	24,842	24,786

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Memory & Platform

The Xeon Gold 5415+ uses the LGA4677 socket (PCIe 4.0), while the Xeon Gold 6143 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard.