Core Ultra 7 255H vs Xeon Gold 6246R

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 Gold 6246R 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 Gold 6246R: 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: +13.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 26W instead of 205W, a 179W reduction.
✅Newer platform on FCBGA2049 with DDR5 support instead of LGA3647 and DDR4.
✅Integrated graphics onboard with Intel Arc Graphics 140T, while Xeon Gold 6246R needs a discrete GPU.

Trade-offs

❌Smaller total L3 cache (24 MB vs 36 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6246R, which brings 16 cores / 32 threads and 48 PCIe lanes.
❌No AVX-512 support for niche heavy compute workloads where it can matter.

Xeon Gold 6246R

2020

Why buy it

✅+49% larger total L3 cache (36 MB vs 24 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 48 PCIe lanes vs 28.
✅71.4% more PCIe lanes (48 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 (9,848 vs 15,700).
❌688.5% higher power demand at 205W vs 26W.
❌Older platform position on LGA3647 with DDR4, while Core Ultra 7 255H moves to FCBGA2049 and DDR5.
❌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 Gold 6246R?

Not really, because they are built for different jobs. Xeon Gold 6246R 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 13.7% 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 59.4% 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 13.7% 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 2020), a healthier platform with FCBGA2049 and DDR5 instead of LGA3647, 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 Gold 6246R 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 Gold 6246R

The Xeon Gold 6246R is manufactured by Intel. It was released in 24 February 2020 (5 years ago). It is based on the Cascade Lake (2019−2020) architecture. It features 16 cores and 32 threads. Base frequency is 3.4 GHz, with boost up to 4.1 GHz. L3 cache: 35.75 MB. L2 cache: 16 MB. Built on 14 nm process technology. Socket: LGA3647. Thermal design power (TDP): 205 Watt. Memory support: DDR4-2933. Passmark benchmark score: 30,468 points. Launch price was $3,286.

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Processing Power

The Core Ultra 7 255H packs 16 cores / 16 threads, matching the Xeon Gold 6246R's 16 cores. Boost clocks reach 5.1 GHz on the Core Ultra 7 255H versus 4.1 GHz on the Xeon Gold 6246R — a 21.7% clock advantage for the Core Ultra 7 255H (base: 4.4 GHz vs 3.4 GHz). The Core Ultra 7 255H uses the Arrow Lake-H (2025) architecture (5 nm), while the Xeon Gold 6246R uses Cascade Lake (2019−2020) (14 nm). In PassMark, the Core Ultra 7 255H scores 30,932 against the Xeon Gold 6246R's 30,468 — a 1.5% lead for the Core Ultra 7 255H. Geekbench 6 single-core — the metric most relevant to gaming — records 2,800 vs 1,293, a 73.6% lead for the Core Ultra 7 255H that directly translates to higher frame rates. Multi-core Geekbench: 15,700 vs 9,848 (45.8% advantage for the Core Ultra 7 255H). L3 cache: 24 MB on the Core Ultra 7 255H vs 35.75 MB on the Xeon Gold 6246R.

Feature	Core Ultra 7 255H	Xeon Gold 6246R
Cores / Threads	16 / 16	16 / 32
Boost Clock	5.1 GHz+24%	4.1 GHz
Base Clock	4.4 GHz+29%	3.4 GHz
L3 Cache	24 MB	35.75 MB+49%
L2 Cache	—	16 MB
Process	5 nm-64%	14 nm
Architecture	Arrow Lake-H (2025)	Cascade Lake (2019−2020)
PassMark	30,932+2%	30,468
Cinebench R23 Multi	—	16,000
Geekbench 6 Single	2,800+117%	1,293
Geekbench 6 Multi	15,700+59%	9,848

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Memory & Platform

The Core Ultra 7 255H uses the FCBGA2049 socket (PCIe 5.0), while the Xeon Gold 6246R uses LGA3647 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 7 255H versus DDR4-2933 on the Xeon Gold 6246R — the Core Ultra 7 255H supports 118.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6246R supports up to 1024 GB of RAM compared to 128 GB — 700% more capacity for professional workloads. Memory channels: 2 (Core Ultra 7 255H) vs 6 (Xeon Gold 6246R). PCIe lanes: 28 (Core Ultra 7 255H) vs 48 (Xeon Gold 6246R) — the Xeon Gold 6246R offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 7 255H) and Lewisburg (Xeon Gold 6246R).

Feature	Core Ultra 7 255H	Xeon Gold 6246R
Socket	FCBGA2049	LGA3647
PCIe Generation	PCIe 5.0+67%	PCIe 3.0
Max RAM Speed	DDR5-6400+118%	DDR4-2933
Max RAM Capacity	128 GB	1024 GB+700%
RAM Channels	2	6+200%
ECC Support	No	Yes
PCIe Lanes	28	48+71%

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Advanced Features

Neither processor supports overclocking. Only the Xeon Gold 6246R 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 Gold 6246R). The Core Ultra 7 255H includes integrated graphics (Intel Arc Graphics 140T), while the Xeon Gold 6246R requires a dedicated GPU. Primary use case: Core Ultra 7 255H targets High-End Laptop, Xeon Gold 6246R targets High-frequency Server / Financial. Direct competitor: Xeon Gold 6246R rivals EPYC 7302.

Feature	Core Ultra 7 255H	Xeon Gold 6246R
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	High-frequency Server / Financial