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.

Core i9-13900E vs Xeon 6515P 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.

Core i9-13900E vs Xeon 6515P: Pros, Cons & Final Verdict

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

Core i9-13900E

2023

Why buy it

✅Better for gaming: +32.6% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $186 less on MSRP ($554 MSRP vs $740 MSRP).
✅Delivers 32.8% more PassMark for each dollar spent, at 73.1 vs 55.0 PassMark/$ ($554 MSRP vs $740 MSRP).
✅Draws 65W instead of 150W, a 85W reduction.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon 6515P needs a discrete GPU.

Trade-offs

❌Lower PassMark (40,476 vs 40,720).
❌Smaller total L3 cache (36 MB vs 72 MB).
❌Less compelling for workstation-style loads than Xeon 6515P, which brings 16 cores / 32 threads and 88 PCIe lanes.

Xeon 6515P

2025

Why buy it

✅+0.6% higher PassMark.
✅+100% larger total L3 cache (72 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 88 PCIe lanes vs 20.
✅340% more PCIe lanes (88 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900E across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 55.0 vs 73.1 PassMark/$ ($740 MSRP vs $554 MSRP).
❌130.8% higher power demand at 150W vs 65W.
❌No integrated graphics, while Core i9-13900E can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-13900E better than Xeon 6515P?

Not really, because they are built for different jobs. Xeon 6515P makes more sense for workstation-style multi-core throughput, while Core i9-13900E is the more practical desktop choice for gaming, platform cost, and everyday use.

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 0.6% better PassMark, backed by 16 cores and 32 threads. It also has the larger cache pool with 100% larger total L3 cache (72 MB vs 36 MB).

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

Core i9-13900E is the better buy right now. Core i9-13900E comes in $186 cheaper on MSRP at $554 MSRP versus $740 MSRP, and it still gives you a 32.6% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon 6515P is still stronger for heavier multi-core work with 0.6% better PassMark. It is also 32.8% better value on MSRP (73.1 vs 55.0 PassMark/$), 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 2023), 100% larger total L3 cache (72 MB vs 36 MB), more multi-core headroom with 16 cores / 32 threads instead of 24/32, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i9-13900E vs Xeon 6515P Technical Specifications

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

Core i9-13900E

The Core i9-13900E is manufactured by Intel. It was released in 4 January 2023 (2 years ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 24 cores and 32 threads. Base frequency is 1.8 GHz, with boost up to 5.2 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR4, DDR5 Dual-channel. Passmark benchmark score: 40,476 points. Launch price was $499.

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.

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Processing Power

The Core i9-13900E packs 24 cores / 32 threads, while the Xeon 6515P offers 16 cores / 32 threads — the Core i9-13900E has 8 more cores. Boost clocks reach 5.2 GHz on the Core i9-13900E versus 3.8 GHz on the Xeon 6515P — a 31.1% clock advantage for the Core i9-13900E (base: 1.8 GHz vs 2.3 GHz). The Core i9-13900E uses the Raptor Lake-S (2023−2024) architecture (10 nm), while the Xeon 6515P uses Granite Rapids (2024−2025) (Intel 3 nm). In PassMark, the Core i9-13900E scores 40,476 against the Xeon 6515P's 40,720 — a 0.6% lead for the Xeon 6515P. L3 cache: 36 MB (total) on the Core i9-13900E vs 72 MB (total) on the Xeon 6515P.

Feature	Core i9-13900E	Xeon 6515P
Cores / Threads	24 / 32+50%	16 / 32
Boost Clock	5.2 GHz+37%	3.8 GHz
Base Clock	1.8 GHz	2.3 GHz+28%
L3 Cache	36 MB (total)	72 MB (total)+100%
L2 Cache	2 MB (per core)	2 MB (per core)
Process	10 nm	Intel 3 nm-70%
Architecture	Raptor Lake-S (2023−2024)	Granite Rapids (2024−2025)
PassMark	40,476	40,720
Geekbench 6 Single	2,606	—
Geekbench 6 Multi	15,000	—

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Memory & Platform

The Core i9-13900E uses the LGA1700 socket (PCIe 5.0), while the Xeon 6515P uses LGA4710 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900E versus 6400 on the Xeon 6515P — the Xeon 6515P supports 14.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon 6515P supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 2 (Core i9-13900E) vs 8 (Xeon 6515P). PCIe lanes: 20 (Core i9-13900E) vs 88 (Xeon 6515P) — the Xeon 6515P offers 68 more lanes for additional GPUs or NVMe drives. Chipset compatibility: W680,Q670,Z790,H770 (Core i9-13900E) and LGA4710 (Xeon 6515P).

Feature	Core i9-13900E	Xeon 6515P
Socket	LGA1700	LGA4710
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-5600	6400+14%
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	88+340%

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Advanced Features

Neither processor supports overclocking. Only the Xeon 6515P supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core i9-13900E includes integrated graphics (Intel UHD Graphics 770), while the Xeon 6515P requires a dedicated GPU. Primary use case: Core i9-13900E targets Embedded. Direct competitor: Xeon 6515P rivals EPYC 9534.

Feature	Core i9-13900E	Xeon 6515P
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Embedded	—

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Value Analysis

At launch, the Core i9-13900E was priced at $554, while the Xeon 6515P came in at $740. On launch pricing ($554 vs $740), Core i9-13900E was $186 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900E delivers 73.1 pts/$ vs 55.0 pts/$ for the Xeon 6515P — making the Core i9-13900E the 28.2% better value option.

Feature	Core i9-13900E	Xeon 6515P
MSRP	$554-25%	$740
Performance per Dollar	73.1+33%	55.0
Release Date	2023	2025

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