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 i9-13900KS vs Xeon Platinum 8454H 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 i9-13900KS vs Xeon Platinum 8454H: Pros, Cons & Final Verdict

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

Core i9-13900KS

2023

Why buy it

✅Better for gaming: +26.2% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $5,841 less on MSRP ($699 MSRP vs $6,540 MSRP).
✅Delivers 808.6% more PassMark for each dollar spent, at 86.6 vs 9.5 PassMark/$ ($699 MSRP vs $6,540 MSRP).
✅Draws 150W instead of 270W, a 120W reduction.
✅Integrated graphics onboard with Intel UHD Graphics 770, while Xeon Platinum 8454H needs a discrete GPU.

Trade-offs

❌Lower PassMark (60,543 vs 62,347).
❌Smaller total L3 cache (36 MB vs 83 MB).
❌Less compelling for workstation-style loads than Xeon Platinum 8454H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Xeon Platinum 8454H

2023

Why buy it

✅+3% higher PassMark.
✅+129.2% larger total L3 cache (83 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 20.
✅300% more PCIe lanes (80 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-13900KS across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 9.5 vs 86.6 PassMark/$ ($6,540 MSRP vs $699 MSRP).
❌80% higher power demand at 270W vs 150W.
❌No integrated graphics, while Core i9-13900KS can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i9-13900KS better than Xeon Platinum 8454H?

Not really, because they are built for different jobs. Xeon Platinum 8454H makes more sense for workstation-style multi-core throughput, while Core i9-13900KS 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 Platinum 8454H is the stronger fit. You are getting 3% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 129.2% larger total L3 cache (83 MB vs 36 MB).

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

Core i9-13900KS is the better buy right now. Core i9-13900KS comes in $5,841 cheaper on MSRP at $699 MSRP versus $6,540 MSRP, and it still gives you a 26.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Platinum 8454H is still stronger for heavier multi-core work with 3% better PassMark. It is also 808.6% better value on MSRP (86.6 vs 9.5 PassMark/$), 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 Platinum 8454H makes more sense long term for 2026 and beyond. You are getting 129.2% larger total L3 cache (83 MB vs 36 MB), more multi-core headroom with 32 cores / 64 threads instead of 24/32, and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-13900KS vs Xeon Platinum 8454H Technical Specifications

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

Core i9-13900KS

The Core i9-13900KS is manufactured by Intel. It was released in 12 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 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 150 Watt. Memory support: DDR5-5600, DDR4-3200. Passmark benchmark score: 60,543 points. Launch price was $699.

Xeon Platinum 8454H

The Xeon Platinum 8454H 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 32 cores and 64 threads. Base frequency is 2.1 GHz, with boost up to 3.4 GHz. L3 cache: 82.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 270 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 62,347 points. Launch price was $6,540.

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Processing Power

The Core i9-13900KS packs 24 cores / 32 threads, while the Xeon Platinum 8454H offers 32 cores / 64 threads — the Xeon Platinum 8454H has 8 more cores. Boost clocks reach 5.8 GHz on the Core i9-13900KS versus 3.4 GHz on the Xeon Platinum 8454H — a 52.2% clock advantage for the Core i9-13900KS (base: 3.2 GHz vs 2.1 GHz). The Core i9-13900KS uses the Raptor Lake-S (2023−2024) architecture (Intel 7 nm), while the Xeon Platinum 8454H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i9-13900KS scores 60,543 against the Xeon Platinum 8454H's 62,347 — a 2.9% lead for the Xeon Platinum 8454H. L3 cache: 36 MB (total) on the Core i9-13900KS vs 82.5 MB on the Xeon Platinum 8454H.

Feature	Core i9-13900KS	Xeon Platinum 8454H
Cores / Threads	24 / 32	32 / 64+33%
Boost Clock	5.8 GHz+71%	3.4 GHz
Base Clock	3.2 GHz+52%	2.1 GHz
L3 Cache	36 MB (total)	82.5 MB+129%
L2 Cache	2 MB (per core)	2 MB (per core)
Process	Intel 7 nm	Intel 7 nm
Architecture	Raptor Lake-S (2023−2024)	Sapphire Rapids (2023−2024)
PassMark	60,543	62,347+3%
Cinebench R23 Multi	40,998	—
Geekbench 6 Single	3,123	—
Geekbench 6 Multi	21,421	—

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Memory & Platform

The Core i9-13900KS uses the LGA1700 socket (PCIe 5.0), while the Xeon Platinum 8454H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Core i9-13900KS versus 4800 on the Xeon Platinum 8454H — the Core i9-13900KS supports 16.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Platinum 8454H supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core i9-13900KS) vs 8 (Xeon Platinum 8454H). PCIe lanes: 20 (Core i9-13900KS) vs 80 (Xeon Platinum 8454H) — the Xeon Platinum 8454H offers 60 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,B760 (Core i9-13900KS) and C741 (Xeon Platinum 8454H).

Feature	Core i9-13900KS	Xeon Platinum 8454H
Socket	LGA1700	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-5600+17%	4800
Max RAM Capacity	192 GB	4096 GB+2033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	20	80+300%

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Advanced Features

Only the Core i9-13900KS has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Platinum 8454H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core i9-13900KS) vs VT-x, VT-d (Xeon Platinum 8454H). The Core i9-13900KS includes integrated graphics (Intel UHD Graphics 770), while the Xeon Platinum 8454H requires a dedicated GPU. Direct competitor: Core i9-13900KS rivals Ryzen 9 7950X; Xeon Platinum 8454H rivals EPYC 9354.

Feature	Core i9-13900KS	Xeon Platinum 8454H
Integrated GPU	Yes	No
IGPU Model	Intel UHD Graphics 770	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d

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Value Analysis

At launch, the Core i9-13900KS was priced at $699, while the Xeon Platinum 8454H came in at $6540. On launch pricing ($699 vs $6540), Core i9-13900KS was $5841 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-13900KS delivers 86.6 pts/$ vs 9.5 pts/$ for the Xeon Platinum 8454H — making the Core i9-13900KS the 160.3% better value option.

Feature	Core i9-13900KS	Xeon Platinum 8454H
MSRP	$699-89%	$6540
Performance per Dollar	86.6+812%	9.5
Release Date	2023	2023

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