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-3275M 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-3275M: 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

✅+0.7% higher PassMark.
✅+87% larger total L3 cache (72 MB vs 39 MB).
✅Costs $3,709 less on MSRP ($740 MSRP vs $4,449 MSRP).
✅Delivers 505.7% more PassMark for each dollar spent, at 55.0 vs 9.1 PassMark/$ ($740 MSRP vs $4,449 MSRP).
✅Draws 150W instead of 205W, a 55W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon W-3275M across 50 shared CPU benchmark tests.

Xeon W-3275M

2019

Why buy it

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

Trade-offs

❌Lower PassMark (40,419 vs 40,720).
❌Smaller total L3 cache (39 MB vs 72 MB).
❌Lower PassMark per dollar, at 9.1 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 6515P better than Xeon W-3275M?

It depends on what you want from the system. For gaming, Xeon W-3275M is ahead with a 23.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Xeon 6515P pulls ahead with 0.7% better PassMark. Xeon 6515P also has the bigger cache pool with 87% larger total L3 cache (72 MB vs 39 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon 6515P is the stronger fit. You are getting 0.7% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 87% larger total L3 cache (72 MB vs 39 MB).

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

Xeon 6515P is the better buy right now. Xeon 6515P comes in $3,709 cheaper on MSRP at $740 MSRP versus $4,449 MSRP, and it still gives you 0.7% better PassMark. The compromise is that Xeon W-3275M is still the better pure gaming CPU with a 23.8% average FPS lead across 50 shared CPU game tests in our data. It is also 505.7% better value on MSRP (55.0 vs 9.1 PassMark/$), 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 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, 87% larger total L3 cache (72 MB vs 39 MB), 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 6515P vs Xeon W-3275M 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-3275M

The Xeon W-3275M 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: 40,419 points. Launch price was $7,453.

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Processing Power

The Xeon 6515P packs 16 cores / 32 threads, while the Xeon W-3275M offers 28 cores / 56 threads — the Xeon W-3275M has 12 more cores. Boost clocks reach 3.8 GHz on the Xeon 6515P versus 4.6 GHz on the Xeon W-3275M — a 19% clock advantage for the Xeon W-3275M (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-3275M uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Xeon 6515P scores 40,720 against the Xeon W-3275M's 40,419 — a 0.7% lead for the Xeon 6515P. L3 cache: 72 MB (total) on the Xeon 6515P vs 38.5 MB on the Xeon W-3275M.

Feature	Xeon 6515P	Xeon W-3275M
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	40,419

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Memory & Platform

The Xeon 6515P uses the LGA4710 socket (PCIe 5.0), while the Xeon W-3275M uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Xeon 6515P versus 2933 on the Xeon W-3275M — the Xeon 6515P supports 118.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 of RAM compared to 2048 — 100% more capacity for professional workloads. Memory channels: 8 (Xeon 6515P) vs 6 (Xeon W-3275M). PCIe lanes: 88 (Xeon 6515P) vs 64 (Xeon W-3275M) — the Xeon 6515P offers 24 more lanes for additional GPUs or NVMe drives. Chipset compatibility: LGA4710 (Xeon 6515P) and C620 (Xeon W-3275M).

Feature	Xeon 6515P	Xeon W-3275M
Socket	LGA4710	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	6400+118%	2933
Max RAM Capacity	4096+100%	2048
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-3275M rivals EPYC 7742.

Feature	Xeon 6515P	Xeon W-3275M
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-3275M 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 9.1 pts/$ for the Xeon W-3275M — making the Xeon 6515P the 143.3% better value option.

Feature	Xeon 6515P	Xeon W-3275M
MSRP	$740-83%	$4449
Performance per Dollar	55.0+504%	9.1
Release Date	2025	2019

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