Core Ultra 7 255H vs Xeon Silver 4514Y

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 7 255H vs Xeon Silver 4514Y 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 7 255H vs Xeon Silver 4514Y: 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 7 255H

2025

Why buy it

✅Better for gaming: +44.6% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 26W instead of 150W, a 124W reduction.
✅Integrated graphics onboard with Intel Arc Graphics 140T, while Xeon Silver 4514Y needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (24 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon Silver 4514Y, which brings 16 cores / 32 threads and 80 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Silver 4514Y

2023

Why buy it

✅+25% larger total L3 cache (30 MB vs 24 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 80 PCIe lanes vs 28.
✅185.7% more PCIe lanes (80 vs 28) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 7 255H across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (14,000 vs 15,700).
❌476.9% higher power demand at 150W vs 26W.
❌No integrated graphics, while Core Ultra 7 255H can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 7 255H better than Xeon Silver 4514Y?

Not really, because they are built for different jobs. Xeon Silver 4514Y makes more sense for workstation-style multi-core throughput, while Core Ultra 7 255H is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core Ultra 7 255H is the better pick. According to our tests, it delivers 44.6% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core Ultra 7 255H is the stronger fit. You are getting 12.1% better Geekbench multi-core, backed by 16 cores and 16 threads.

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

Core Ultra 7 255H still makes the most sense overall. Core Ultra 7 255H comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 44.6% average FPS lead across 50 shared CPU game tests in our data.

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

Core Ultra 7 255H makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and more multi-core headroom with 16 cores / 16 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core Ultra 7 255H vs Xeon Silver 4514Y Technical Specifications

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

Core Ultra 7 255H

The Core Ultra 7 255H is manufactured by Intel. It was released in 1 January 2025 (less than a year ago). It is based on the Arrow Lake-H (2025) architecture. It features 16 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5.1 GHz. L3 cache: 24 MB. Built on 5 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): 26 MB + 24 MB. Memory support: DDR5-6400. Passmark benchmark score: 30,932 points. Launch price was $514.

Xeon Silver 4514Y

The Xeon Silver 4514Y is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Emerald Rapids (2023) architecture. It features 16 cores and 32 threads. Base frequency is 2 GHz, with boost up to 3.4 GHz. L3 cache: 30 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 150 Watt. Memory support: DDR5-4400. Passmark benchmark score: 30,621 points. Launch price was $780.

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Processing Power

The Core Ultra 7 255H packs 16 cores / 16 threads, matching the Xeon Silver 4514Y's 16 cores. Boost clocks reach 5.1 GHz on the Core Ultra 7 255H versus 3.4 GHz on the Xeon Silver 4514Y — a 40% clock advantage for the Core Ultra 7 255H (base: 4.4 GHz vs 2 GHz). The Core Ultra 7 255H uses the Arrow Lake-H (2025) architecture (5 nm), while the Xeon Silver 4514Y uses Emerald Rapids (2023) (Intel 7 nm). In PassMark, the Core Ultra 7 255H scores 30,932 against the Xeon Silver 4514Y's 30,621 — a 1% lead for the Core Ultra 7 255H. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 2,100, a 28.6% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 15,700 vs 14,000 (11.4% advantage for the Core Ultra 7 255H). L3 cache: 24 MB on the Core Ultra 7 255H vs 30 MB (total) on the Xeon Silver 4514Y.

Feature	Core Ultra 7 255H	Xeon Silver 4514Y
Cores / Threads	16 / 16	16 / 32
Boost Clock	5.1 GHz+50%	3.4 GHz
Base Clock	4.4 GHz+120%	2 GHz
L3 Cache	24 MB	30 MB (total)+25%
L2 Cache	—	2 MB (per core)
Process	5 nm-29%	Intel 7 nm
Architecture	Arrow Lake-H (2025)	Emerald Rapids (2023)
PassMark	30,932+1%	30,621
Cinebench R23 Multi	—	22,000
Geekbench 6 Single	2,800+33%	2,100
Geekbench 6 Multi	15,700+12%	14,000

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Memory & Platform

The Core Ultra 7 255H uses the FCBGA2049 socket (PCIe 5.0), while the Xeon Silver 4514Y uses LGA4677 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255H versus DDR5-4400 on the Xeon Silver 4514Y — the Core Ultra 7 255H supports 45.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Silver 4514Y supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 255H) vs 8 (Xeon Silver 4514Y). PCIe lanes: 28 (Core Ultra 7 255H) vs 80 (Xeon Silver 4514Y) — the Xeon Silver 4514Y offers 52 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 7 255H) and C741 (Xeon Silver 4514Y).

Feature	Core Ultra 7 255H	Xeon Silver 4514Y
Socket	FCBGA2049	LGA4677
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-6400+45%	DDR5-4400
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	28	80+186%

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Advanced Features

Neither processor supports overclocking. Only the Xeon Silver 4514Y supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 7 255H) vs VT-x, VT-d, EPT (Xeon Silver 4514Y). The Core Ultra 7 255H includes integrated graphics (Intel Arc Graphics 140T), while the Xeon Silver 4514Y requires a dedicated GPU. Primary use case: Core Ultra 7 255H targets High-End Laptop, Xeon Silver 4514Y targets Mainstream Server / Virtualization. Direct competitor: Xeon Silver 4514Y rivals EPYC 8212.

Feature	Core Ultra 7 255H	Xeon Silver 4514Y
Integrated GPU	Yes	No
IGPU Model	Intel Arc Graphics 140T	—
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, EPT
Target Use	High-End Laptop	Mainstream Server / Virtualization