Core Ultra 9 285K vs Xeon Gold 6448H

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 285K vs Xeon Gold 6448H 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 285K vs Xeon Gold 6448H: 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 285K

2024

Why buy it

✅Better for gaming: +23.3% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $3,069 less on MSRP ($589 MSRP vs $3,658 MSRP).
✅Delivers 496.2% more PassMark for each dollar spent, at 114.6 vs 19.2 PassMark/$ ($589 MSRP vs $3,658 MSRP).
✅Draws 125W instead of 250W, a 125W reduction.
✅Integrated graphics onboard with Intel Arc Graphics 64EU, while Xeon Gold 6448H needs a discrete GPU.

Trade-offs

❌Lower PassMark (67,482 vs 70,292).
❌Smaller total L3 cache (36 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6448H, which brings 32 cores / 64 threads and 80 PCIe lanes.

Xeon Gold 6448H

2023

Why buy it

✅+4.2% higher PassMark.
✅+66.7% larger total L3 cache (60 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 24.
✅233.3% more PCIe lanes (80 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 285K across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 19.2 vs 114.6 PassMark/$ ($3,658 MSRP vs $589 MSRP).
❌100% higher power demand at 250W vs 125W.
❌No integrated graphics, while Core Ultra 9 285K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 285K better than Xeon Gold 6448H?

Not really, because they are built for different jobs. Xeon Gold 6448H makes more sense for workstation-style multi-core throughput, while Core Ultra 9 285K 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 Gold 6448H is the stronger fit. You are getting 4.2% better PassMark, backed by 32 cores and 64 threads. It also has the larger cache pool with 66.7% larger total L3 cache (60 MB vs 36 MB).

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

Core Ultra 9 285K is the better buy right now. Core Ultra 9 285K comes in $3,069 cheaper on MSRP at $589 MSRP versus $3,658 MSRP, and it still gives you a 23.3% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Gold 6448H is still stronger for heavier multi-core work with 4.2% better PassMark. It is also 496.2% better value on MSRP (114.6 vs 19.2 PassMark/$), 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 285K makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 9 285K vs Xeon Gold 6448H Technical Specifications

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

Core Ultra 9 285K

The Core Ultra 9 285K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.6 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 67,482 points. Launch price was $589.

Xeon Gold 6448H

The Xeon Gold 6448H 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 2.4 GHz, with boost up to 4.1 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 250 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 70,292 points. Launch price was $3,658.

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Processing Power

The Core Ultra 9 285K packs 24 cores / 24 threads, while the Xeon Gold 6448H offers 32 cores / 64 threads — the Xeon Gold 6448H has 8 more cores. Boost clocks reach 5.6 GHz on the Core Ultra 9 285K versus 4.1 GHz on the Xeon Gold 6448H — a 30.9% clock advantage for the Core Ultra 9 285K (base: 3.7 GHz vs 2.4 GHz). The Core Ultra 9 285K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon Gold 6448H uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 9 285K scores 67,482 against the Xeon Gold 6448H's 70,292 — a 4.1% lead for the Xeon Gold 6448H. L3 cache: 36 MB (total) on the Core Ultra 9 285K vs 60 MB on the Xeon Gold 6448H.

Feature	Core Ultra 9 285K	Xeon Gold 6448H
Cores / Threads	24 / 24	32 / 64+33%
Boost Clock	5.6 GHz+37%	4.1 GHz
Base Clock	3.7 GHz+54%	2.4 GHz
L3 Cache	36 MB (total)	60 MB+67%
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	67,482	70,292+4%
Cinebench R23 Multi	45,563	—
Geekbench 6 Single	3,200	—
Geekbench 6 Multi	22,563	—

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Memory & Platform

The Core Ultra 9 285K uses the LGA1851 socket (PCIe 5.0), while the Xeon Gold 6448H uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285K versus 4800 on the Xeon Gold 6448H — the Core Ultra 9 285K supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6448H supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285K) vs 8 (Xeon Gold 6448H). PCIe lanes: 24 (Core Ultra 9 285K) vs 80 (Xeon Gold 6448H) — the Xeon Gold 6448H offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890 (Core Ultra 9 285K) and C741 (Xeon Gold 6448H).

Feature	Core Ultra 9 285K	Xeon Gold 6448H
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400+33%	4800
Max RAM Capacity	192 GB	4096 GB+2033%
RAM Channels	2	8+300%
ECC Support	Yes	Yes
PCIe Lanes	24	80+233%

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Advanced Features

Only the Core Ultra 9 285K has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Xeon Gold 6448H supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: true (Core Ultra 9 285K) vs VT-x, VT-d (Xeon Gold 6448H). The Core Ultra 9 285K includes integrated graphics (Intel Arc Graphics 64EU), while the Xeon Gold 6448H requires a dedicated GPU. Direct competitor: Core Ultra 9 285K rivals Ryzen 9 9950X; Xeon Gold 6448H rivals EPYC 9454.

Feature	Core Ultra 9 285K	Xeon Gold 6448H
Integrated GPU	Yes	No
IGPU Model	Intel Arc Graphics 64EU	None
Unlocked	Yes	No
AVX-512	No	Yes
Virtualization	true	VT-x, VT-d

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Value Analysis

At launch, the Core Ultra 9 285K was priced at $589, while the Xeon Gold 6448H came in at $3658. On launch pricing ($589 vs $3658), Core Ultra 9 285K was $3069 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285K delivers 114.6 pts/$ vs 19.2 pts/$ for the Xeon Gold 6448H — making the Core Ultra 9 285K the 142.5% better value option.

Feature	Core Ultra 9 285K	Xeon Gold 6448H
MSRP	$589-84%	$3658
Performance per Dollar	114.6+497%	19.2
Release Date	2024	2023

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