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 6515P vs Xeon W-3275 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 6515P vs Xeon W-3275: Pros, Cons & Final Verdict

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

Xeon 6515P

2025

Why buy it

✅+87% larger total L3 cache (72 MB vs 39 MB).
✅Costs $3,709 less on MSRP ($740 MSRP vs $4,449 MSRP).
✅Delivers 493.2% more PassMark for each dollar spent, at 55.0 vs 9.3 PassMark/$ ($740 MSRP vs $4,449 MSRP).
✅Draws 150W instead of 205W, a 55W reduction.
✅Newer platform on LGA4710 with DDR5 support instead of LGA3647 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3275 across 50 shared CPU benchmark tests.
❌Lower PassMark (40,720 vs 41,267).

Xeon W-3275

2019

Why buy it

✅Better for gaming: +23.8% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (39 MB vs 72 MB).
❌Lower PassMark per dollar, at 9.3 vs 55.0 PassMark/$ ($4,449 MSRP vs $740 MSRP).
❌36.7% higher power demand at 205W vs 150W.
❌Older platform position on LGA3647 with DDR4, while Xeon 6515P moves to LGA4710 and DDR5.

Quick Answers

So, is Xeon W-3275 better than Xeon 6515P?

Yes. Xeon W-3275 is the better all-around CPU here. It gives you a 23.8% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Xeon W-3275 is the better pick. According to our tests, it delivers 23.8% 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, Xeon W-3275 is the stronger fit. You are getting 1.3% better PassMark, backed by 28 cores and 56 threads.

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

Xeon W-3275 is still the faster CPU overall, but Xeon 6515P is easier to justify if budget matters more than peak performance. Xeon W-3275 comes in 501.2% more expensive on MSRP at $4,449 MSRP versus $740 MSRP, and it still gives you a 23.8% average FPS lead across 50 shared CPU game tests in our data. Xeon 6515P is also 493.2% better value on MSRP (55.0 vs 9.3 PassMark/$), 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 6515P makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2019), a healthier platform with LGA4710 and DDR5 instead of LGA3647, and 87% larger total L3 cache (72 MB vs 39 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Xeon 6515P vs Xeon W-3275 Technical Specifications

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

Xeon 6515P

The Xeon 6515P is manufactured by Intel. It was released in 24 February 2025 (less than a year ago). It is based on the Granite Rapids (2024−2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 3.8 GHz. L3 cache: 72 MB (total). L2 cache: 2 MB (per core). Built on Intel 3 nm process technology. Socket: LGA4710. Thermal design power (TDP): 150 Watt. Memory support: DDR5(6400MT/s). Passmark benchmark score: 40,720 points. Launch price was $740.

Xeon W-3275

The Xeon W-3275 is manufactured by Intel. It was released in 3 June 2019 (6 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 28 cores and 56 threads. Base frequency is 2.5 GHz, with boost up to 4.6 GHz. L3 cache: 38.5 MB. L2 cache: 28 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 41,267 points. Launch price was $4,449.

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Processing Power

The Xeon 6515P packs 16 cores / 32 threads, while the Xeon W-3275 offers 28 cores / 56 threads — the Xeon W-3275 has 12 more cores. Boost clocks reach 3.8 GHz on the Xeon 6515P versus 4.6 GHz on the Xeon W-3275 — a 19% clock advantage for the Xeon W-3275 (base: 2.3 GHz vs 2.5 GHz). The Xeon 6515P uses the Granite Rapids (2024−2025) architecture (Intel 3 nm), while the Xeon W-3275 uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Xeon 6515P scores 40,720 against the Xeon W-3275's 41,267 — a 1.3% lead for the Xeon W-3275. L3 cache: 72 MB (total) on the Xeon 6515P vs 38.5 MB on the Xeon W-3275.

Feature	Xeon 6515P	Xeon W-3275
Cores / Threads	16 / 32	28 / 56+75%
Boost Clock	3.8 GHz	4.6 GHz+21%
Base Clock	2.3 GHz	2.5 GHz+9%
L3 Cache	72 MB (total)+87%	38.5 MB
L2 Cache	2 MB (per core)	28 MB+1300%
Process	Intel 3 nm-79%	14 nm
Architecture	Granite Rapids (2024−2025)	Cascade Lake (2019−2020)
PassMark	40,720	41,267+1%

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Memory & Platform

The Xeon 6515P uses the LGA4710 socket (PCIe 5.0), while the Xeon W-3275 uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Xeon 6515P versus 3200 on the Xeon W-3275 — the Xeon 6515P supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 of RAM compared to 1024 — 300% more capacity for professional workloads. Memory channels: 8 (Xeon 6515P) vs 6 (Xeon W-3275). PCIe lanes: 88 (Xeon 6515P) vs 64 (Xeon W-3275) — the Xeon 6515P offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA4710 (Xeon 6515P) and C621 (Xeon W-3275).

Feature	Xeon 6515P	Xeon W-3275
Socket	LGA4710	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	6400+100%	3200
Max RAM Capacity	4096+300%	1024
RAM Channels	8+33%	6
ECC Support	Yes	Yes
PCIe Lanes	88+38%	64

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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 6515P rivals EPYC 9534; Xeon W-3275 rivals Threadripper 3970X.

Feature	Xeon 6515P	Xeon W-3275
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 6515P was priced at $740, while the Xeon W-3275 came in at $4449. On launch pricing ($740 vs $4449), Xeon 6515P was $3709 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon 6515P delivers 55.0 pts/$ vs 9.3 pts/$ for the Xeon W-3275 — making the Xeon 6515P the 142.3% better value option.

Feature	Xeon 6515P	Xeon W-3275
MSRP	$740-83%	$4449
Performance per Dollar	55.0+491%	9.3
Release Date	2025	2019

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