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 9 285 vs Xeon Gold 5420+ 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 9 285 vs Xeon Gold 5420+: 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 9 285

2025

Why buy it

✅Better for gaming: +18.1% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $1,259 less on MSRP ($589 MSRP vs $1,848 MSRP).
✅Delivers 209.6% more PassMark for each dollar spent, at 97.5 vs 31.5 PassMark/$ ($589 MSRP vs $1,848 MSRP).
✅Draws 65W instead of 205W, a 140W reduction.
✅Integrated graphics onboard with Arc Graphics, while Xeon Gold 5420+ needs a discrete GPU.

Trade-offs

❌Lower PassMark (57,442 vs 58,209).
❌Smaller total L3 cache (36 MB vs 53 MB).
❌Less compelling for workstation-style loads than Xeon Gold 5420+, which brings 28 cores / 56 threads and 80 PCIe lanes.

Xeon Gold 5420+

2023

Why buy it

✅+1.3% higher PassMark.
✅+45.8% larger total L3 cache (53 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 28 cores / 56 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 9 285 across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 31.5 vs 97.5 PassMark/$ ($1,848 MSRP vs $589 MSRP).
❌215.4% higher power demand at 205W vs 65W.
❌No integrated graphics, while Core Ultra 9 285 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 285 better than Xeon Gold 5420+?

Not really, because they are built for different jobs. Xeon Gold 5420+ makes more sense for workstation-style multi-core throughput, while Core Ultra 9 285 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 5420+ is the stronger fit. You are getting 1.3% better PassMark, backed by 28 cores and 56 threads. It also has the larger cache pool with 45.8% larger total L3 cache (53 MB vs 36 MB).

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

Core Ultra 9 285 is the better buy right now. Core Ultra 9 285 comes in $1,259 cheaper on MSRP at $589 MSRP versus $1,848 MSRP, and it still gives you a 18.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon Gold 5420+ is still stronger for heavier multi-core work with 1.3% better PassMark. It is also 209.6% better value on MSRP (97.5 vs 31.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core Ultra 9 285 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 9 285 vs Xeon Gold 5420+ Technical Specifications

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

Core Ultra 9 285

The Core Ultra 9 285 is manufactured by Intel. It was released in Janeiro 2025 (recentemente). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.5 GHz, with boost up to 5.5 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 65 Watt. Memory support: DDR5-6400. Passmark benchmark score: 57,442 points. Launch price was $579.

Xeon Gold 5420+

The Xeon Gold 5420+ 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 28 cores and 56 threads. Base frequency is 2 GHz, with boost up to 4.1 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on 10 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-4400. Passmark benchmark score: 58,209 points. Launch price was $1,848.

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Processing Power

The Core Ultra 9 285 packs 24 cores / 24 threads, while the Xeon Gold 5420+ offers 28 cores / 56 threads — the Xeon Gold 5420+ has 4 more cores. Boost clocks reach 5.5 GHz on the Core Ultra 9 285 versus 4.1 GHz on the Xeon Gold 5420+ — a 29.2% clock advantage for the Core Ultra 9 285 (base: 2.5 GHz vs 2 GHz). The Core Ultra 9 285 uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Xeon Gold 5420+ uses Sapphire Rapids (2023−2024) (10 nm). In PassMark, the Core Ultra 9 285 scores 57,442 against the Xeon Gold 5420+'s 58,209 — a 1.3% lead for the Xeon Gold 5420+. L3 cache: 36 MB (total) on the Core Ultra 9 285 vs 52.5 MB on the Xeon Gold 5420+.

Feature	Core Ultra 9 285	Xeon Gold 5420+
Cores / Threads	24 / 24	28 / 56+17%
Boost Clock	5.5 GHz+34%	4.1 GHz
Base Clock	2.5 GHz+25%	2 GHz
L3 Cache	36 MB (total)	52.5 MB+46%
L2 Cache	3 MB (per core)+50%	2 MB (per core)
Process	3 nm-70%	10 nm
Architecture	Arrow Lake-S (2024−2025)	Sapphire Rapids (2023−2024)
PassMark	57,442	58,209+1%
Cinebench R23 Multi	40,000	—
Geekbench 6 Single	3,000	—
Geekbench 6 Multi	20,000	—

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Memory & Platform

The Core Ultra 9 285 uses the LGA1851 socket (PCIe 5.0), while the Xeon Gold 5420+ uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 285 versus 4800 on the Xeon Gold 5420+ — the Core Ultra 9 285 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 5420+ supports up to 4096 GB of RAM compared to 192 GB — 2033.3% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285) vs 8 (Xeon Gold 5420+). PCIe lanes: 24 (Core Ultra 9 285) vs 80 (Xeon Gold 5420+) — the Xeon Gold 5420+ offers 56 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 800 Series (Core Ultra 9 285) and C741 (Xeon Gold 5420+).

Feature	Core Ultra 9 285	Xeon Gold 5420+
Socket	LGA1851	LGA4677
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
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

Neither processor supports overclocking. Only the Xeon Gold 5420+ supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: Yes (Core Ultra 9 285) vs VT-x, VT-d (Xeon Gold 5420+). The Core Ultra 9 285 includes integrated graphics (Arc Graphics), while the Xeon Gold 5420+ requires a dedicated GPU. Primary use case: Core Ultra 9 285 targets High-End Gaming. Direct competitor: Xeon Gold 5420+ rivals EPYC 9354.

Feature	Core Ultra 9 285	Xeon Gold 5420+
Integrated GPU	Yes	No
IGPU Model	Arc Graphics	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	Yes	VT-x, VT-d
Target Use	High-End Gaming	—

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Value Analysis

At launch, the Core Ultra 9 285 was priced at $589, while the Xeon Gold 5420+ came in at $1848. On launch pricing ($589 vs $1848), Core Ultra 9 285 was $1259 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285 delivers 97.5 pts/$ vs 31.5 pts/$ for the Xeon Gold 5420+ — making the Core Ultra 9 285 the 102.3% better value option.

Feature	Core Ultra 9 285	Xeon Gold 5420+
MSRP	$589-68%	$1848
Performance per Dollar	97.5+210%	31.5
Release Date	2025	2023

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