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 Ultra 9 285T vs Xeon w5-2455X 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 Ultra 9 285T vs Xeon w5-2455X: Pros, Cons & Final Verdict

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

Core Ultra 9 285T

2025

Why buy it

✅Better for gaming: +8.2% higher average FPS across 50 shared CPU benchmark tests.
✅+20% larger total L3 cache (36 MB vs 30 MB).
✅Costs $490 less on MSRP ($549 MSRP vs $1,039 MSRP).
✅Delivers 88.3% more PassMark for each dollar spent, at 67.2 vs 35.7 PassMark/$ ($549 MSRP vs $1,039 MSRP).
✅Draws 35W instead of 200W, a 165W reduction.

Trade-offs

❌Lower PassMark (36,916 vs 37,109).
❌Less compelling for workstation-style loads than Xeon w5-2455X, which brings 12 cores / 24 threads and 64 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon w5-2455X

2023

Why buy it

✅+0.5% higher PassMark.
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 64 PCIe lanes vs 20.
✅220% more PCIe lanes (64 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285T across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (30 MB vs 36 MB).
❌Lower PassMark per dollar, at 35.7 vs 67.2 PassMark/$ ($1,039 MSRP vs $549 MSRP).
❌471.4% higher power demand at 200W vs 35W.
❌No integrated graphics, while Core Ultra 9 285T can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 285T better than Xeon w5-2455X?

Not really, because they are built for different jobs. Xeon w5-2455X makes more sense for workstation-style multi-core throughput, while Core Ultra 9 285T 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 w5-2455X is the stronger fit. You are getting 0.5% better PassMark, backed by 12 cores and 24 threads.

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

Core Ultra 9 285T is the better buy right now. Core Ultra 9 285T comes in $490 cheaper on MSRP at $549 MSRP versus $1,039 MSRP, and it still gives you a 8.2% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon w5-2455X is still stronger for heavier multi-core work with 0.5% better PassMark. It is also 88.3% better value on MSRP (67.2 vs 35.7 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core Ultra 9 285T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and 20% larger total L3 cache (36 MB vs 30 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 9 285T vs Xeon w5-2455X Technical Specifications

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

Core Ultra 9 285T

The Core Ultra 9 285T is manufactured by Intel. It was released in 7 January 2025 (less than a year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 1.4 GHz, with boost up to 5.4 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 35 Watt. Memory support: DDR5-6400. Passmark benchmark score: 36,916 points. Launch price was $549.

Xeon w5-2455X

The Xeon w5-2455X is manufactured by Intel. It was released in 15 February 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3.2 GHz, with boost up to 4.6 GHz. L3 cache: 30 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 200 Watt. Memory support: DDR5-4800. Passmark benchmark score: 37,109 points. Launch price was $1,039.

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Processing Power

The Core Ultra 9 285T packs 24 cores / 24 threads, while the Xeon w5-2455X offers 12 cores / 24 threads — the Core Ultra 9 285T has 12 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 285T versus 4.6 GHz on the Xeon w5-2455X — a 16% clock advantage for the Core Ultra 9 285T (base: 1.4 GHz vs 3.2 GHz). The Core Ultra 9 285T uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon w5-2455X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 9 285T scores 36,916 against the Xeon w5-2455X's 37,109 — a 0.5% lead for the Xeon w5-2455X. L3 cache: 36 MB (total) on the Core Ultra 9 285T vs 30 MB on the Xeon w5-2455X.

Feature	Core Ultra 9 285T	Xeon w5-2455X
Cores / Threads	24 / 24+100%	12 / 24
Boost Clock	5.4 GHz+17%	4.6 GHz
Base Clock	1.4 GHz	3.2 GHz+129%
L3 Cache	36 MB (total)+20%	30 MB
L2 Cache	3 MB (per core)+50%	2 MB (per core)
Process	3 nm-57%	Intel 7 nm
Architecture	Arrow Lake-S (2024−2025)	Sapphire Rapids (2023−2024)
PassMark	36,916	37,109

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Memory & Platform

The Core Ultra 9 285T uses the LGA1851 socket (PCIe 5.0), while the Xeon w5-2455X uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 6400 on the Core Ultra 9 285T versus 4800 on the Xeon w5-2455X — the Core Ultra 9 285T supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w5-2455X supports up to 2048 of RAM compared to 256 — 700% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285T) vs 4 (Xeon w5-2455X). PCIe lanes: 20 (Core Ultra 9 285T) vs 64 (Xeon w5-2455X) — the Xeon w5-2455X offers 44 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890,B860 (Core Ultra 9 285T) and W790 (Xeon w5-2455X).

Feature	Core Ultra 9 285T	Xeon w5-2455X
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	6400+33%	4800
Max RAM Capacity	256	2048+700%
RAM Channels	2	4+100%
ECC Support	Yes	Yes
PCIe Lanes	20	64+220%

🔧

Advanced Features

Only the Xeon w5-2455X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon w5-2455X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core Ultra 9 285T includes integrated graphics (Intel Arc Xe-LPG Graphics), while the Xeon w5-2455X requires a dedicated GPU. Direct competitor: Core Ultra 9 285T rivals Ryzen 9 7900; Xeon w5-2455X rivals Threadripper 7960X.

Feature	Core Ultra 9 285T	Xeon w5-2455X
Integrated GPU	Yes	No
IGPU Model	Intel Arc Xe-LPG Graphics	None
Unlocked	No	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d

💰

Value Analysis

At launch, the Core Ultra 9 285T was priced at $549, while the Xeon w5-2455X came in at $1039. On launch pricing ($549 vs $1039), Core Ultra 9 285T was $490 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285T delivers 67.2 pts/$ vs 35.7 pts/$ for the Xeon w5-2455X — making the Core Ultra 9 285T the 61.2% better value option.

Feature	Core Ultra 9 285T	Xeon w5-2455X
MSRP	$549-47%	$1039
Performance per Dollar	67.2+88%	35.7
Release Date	2025	2023

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