Core Ultra 9 275HX vs Xeon w5-3535X

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 275HX vs Xeon w5-3535X 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 275HX vs Xeon w5-3535X: 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 275HX

2025

Why buy it

✅Better for gaming: +8.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 55W instead of 300W, a 245W reduction.
✅Integrated graphics onboard with Intel Arc Graphics, while Xeon w5-3535X needs a discrete GPU.

Trade-offs

❌Lower Geekbench multi-core (17,908 vs 30,000).
❌Smaller total L3 cache (36 MB vs 53 MB).
❌Less compelling for workstation-style loads than Xeon w5-3535X, which brings 20 cores / 40 threads and 112 PCIe lanes.

Xeon w5-3535X

2024

Why buy it

✅+67.5% higher Geekbench multi-core.
✅+45.8% larger total L3 cache (53 MB vs 36 MB).
✅Better for workstations and heavier parallel workloads: 20 cores / 40 threads, plus 112 PCIe lanes vs 24.
✅366.7% more PCIe lanes (112 vs 24) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core Ultra 9 275HX across 50 shared CPU benchmark tests.
❌Launch MSRP is still $1,699 MSRP, while Core Ultra 9 275HX mostly shows up through inconsistent older-market listings.
❌445.5% higher power demand at 300W vs 55W.
❌No integrated graphics, while Core Ultra 9 275HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 275HX better than Xeon w5-3535X?

Not really, because they are built for different jobs. Xeon w5-3535X makes more sense for workstation-style multi-core throughput, while Core Ultra 9 275HX 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 w5-3535X is the stronger fit. You are getting 67.5% better Geekbench multi-core, backed by 20 cores and 40 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 275HX is still the faster CPU overall, but Xeon w5-3535X is easier to justify if budget matters more than peak performance. Core Ultra 9 275HX comes in at an unclear MSRP at unclear MSRP versus $1,699 MSRP, and it still gives you a 8.4% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon w5-3535X is still stronger for heavier multi-core work with 67.5% better Geekbench multi-core. Xeon w5-3535X is also 100.0% better value on MSRP (32.7 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core Ultra 9 275HX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024). That makes it the safer long-term bet.

Core Ultra 9 275HX vs Xeon w5-3535X Technical Specifications

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

Core Ultra 9 275HX

The Core Ultra 9 275HX is manufactured by Intel. It was released in 2025-01-01. It is based on the Arrow Lake-HX (2025) architecture. It features 24 cores and 24 threads. Base frequency is 2.7 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: FCBGA2114. Thermal design power (TDP): 55 Watt. Memory support: DDR5-6400. Passmark benchmark score: 56,018 points. Launch price was $600.

Xeon w5-3535X

The Xeon w5-3535X is manufactured by Intel. It was released in 24 August 2024 (1 year ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 20 cores and 40 threads. Base frequency is 2.9 GHz, with boost up to 4.8 GHz. L3 cache: 52.5 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 300 Watt. Memory support: DDR5-4800. Passmark benchmark score: 55,532 points. Launch price was $1,689.

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Processing Power

The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Xeon w5-3535X offers 20 cores / 40 threads — the Core Ultra 9 275HX has 4 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 4.8 GHz on the Xeon w5-3535X — a 11.8% clock advantage for the Core Ultra 9 275HX (base: 2.7 GHz vs 2.9 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Xeon w5-3535X uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Xeon w5-3535X's 55,532 — a 0.9% lead for the Core Ultra 9 275HX. Geekbench 6 single-core — the metric most relevant to gaming — records 2,835 vs 2,300, a 20.8% lead for the Core Ultra 9 275HX that directly translates to higher frame rates. Multi-core Geekbench: 17,908 vs 30,000 (50.5% advantage for the Xeon w5-3535X). L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 52.5 MB on the Xeon w5-3535X.

Feature	Core Ultra 9 275HX	Xeon w5-3535X
Cores / Threads	24 / 24+20%	20 / 40
Boost Clock	5.4 GHz+13%	4.8 GHz
Base Clock	2.7 GHz	2.9 GHz+7%
L3 Cache	36 MB (total)	52.5 MB+46%
L2 Cache	3 MB (per core)+50%	2 MB (per core)
Process	3 nm-57%	Intel 7 nm
Architecture	Arrow Lake-HX (2025)	Sapphire Rapids (2023−2024)
PassMark	56,018	55,532
Geekbench 6 Single	2,835+23%	2,300
Geekbench 6 Multi	17,908	30,000+68%

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Memory & Platform

The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Xeon w5-3535X uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-6400 on the Core Ultra 9 275HX versus DDR5-4800 on the Xeon w5-3535X — the Core Ultra 9 275HX supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon w5-3535X supports up to 4096 GB of RAM compared to 256 GB — 1500% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 275HX) vs 4 (Xeon w5-3535X). PCIe lanes: 24 (Core Ultra 9 275HX) vs 112 (Xeon w5-3535X) — the Xeon w5-3535X offers 88 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and W790 (Xeon w5-3535X).

Feature	Core Ultra 9 275HX	Xeon w5-3535X
Socket	FCBGA2114	LGA4677
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-6400+33%	DDR5-4800
Max RAM Capacity	256 GB	4096 GB+1500%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	24	112+367%

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Xeon w5-3535X supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. The Core Ultra 9 275HX includes integrated graphics (Intel Arc Graphics), while the Xeon w5-3535X requires a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop, Xeon w5-3535X targets Workstation. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; Xeon w5-3535X rivals Threadripper PRO 7965WX.

Feature	Core Ultra 9 275HX	Xeon w5-3535X
Integrated GPU	Yes	No
IGPU Model	Intel Arc Graphics	None
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	High-End Gaming Laptop	Workstation