Core Ultra 9 275HX vs Ryzen Threadripper PRO 9945WX

Intel

Core Ultra 9 275HX

24 Cores24 Thrd55 WWMax: 5.4 GHz2025
Core Ultra family
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VS
AMD

Ryzen Threadripper PRO 9945WX

12 Cores24 Thrd350 WWMax: 5.4 GHz2025
Threadripper Pro family
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Core Ultra 9 275HX vs Ryzen Threadripper PRO 9945WX Performance Spectrum

About PassMark

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 Ryzen Threadripper PRO 9945WX 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 Ryzen Threadripper PRO 9945WX: 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

  • Draws 55W instead of 350W, a 295W reduction.
  • Integrated graphics onboard with Intel Arc Graphics, while Ryzen Threadripper PRO 9945WX needs a discrete GPU.

Trade-offs

  • Lower PassMark (56,018 vs 56,854).
  • Smaller total L3 cache (36 MB vs 64 MB).
  • Less compelling for workstation-style loads than Ryzen Threadripper PRO 9945WX, which brings 12 cores / 24 threads and 128 PCIe lanes.

Ryzen Threadripper PRO 9945WX

2025

Why buy it

  • +1.5% higher PassMark.
  • +77.8% larger total L3 cache (64 MB vs 36 MB).
  • Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 128 PCIe lanes vs 24.
  • 433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Launch MSRP is still $1,340 MSRP, while Core Ultra 9 275HX mostly shows up through inconsistent older-market listings.
  • 536.4% higher power demand at 350W vs 55W.
  • No integrated graphics, while Core Ultra 9 275HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen Threadripper PRO 9945WX better than Core Ultra 9 275HX?
Not really, because they are built for different jobs. Ryzen Threadripper PRO 9945WX 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 gaming?
For gaming, this matchup is basically a tie in the data we have.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen Threadripper PRO 9945WX is the stronger fit. You are getting 1.5% better PassMark, backed by 12 cores and 24 threads. It also has the larger cache pool with 77.8% larger total L3 cache (64 MB vs 36 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen Threadripper PRO 9945WX is the better buy right now. Ryzen Threadripper PRO 9945WX comes in at an unclear MSRP at $1,340 MSRP versus unclear MSRP, and it still gives you a 0.3% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (42.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9945WX makes more sense long term for 2026 and beyond. You are getting 77.8% larger total L3 cache (64 MB vs 36 MB), more multi-core headroom with 12 cores / 24 threads instead of 24/24, and AVX-512 support for heavier modern compute workloads. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core Ultra 9 275HX vs Ryzen Threadripper PRO 9945WX Technical Specifications

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

Intel

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.

AMD

Ryzen Threadripper PRO 9945WX

The Ryzen Threadripper PRO 9945WX is manufactured by AMD. It was released in 2025-01-01. It is based on the Shimada Peak (2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.7 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: sTR5. Thermal design power (TDP): 350 Watt. Memory support: DDR5. Passmark benchmark score: 56,854 points. Launch price was $2,000.

Processing Power

The Core Ultra 9 275HX packs 24 cores / 24 threads, while the Ryzen Threadripper PRO 9945WX offers 12 cores / 24 threads — the Core Ultra 9 275HX has 12 more cores. Boost clocks reach 5.4 GHz on the Core Ultra 9 275HX versus 5.4 GHz on the Ryzen Threadripper PRO 9945WX — identical boost frequencies (base: 2.7 GHz vs 4.7 GHz). The Core Ultra 9 275HX uses the Arrow Lake-HX (2025) architecture (3 nm), while the Ryzen Threadripper PRO 9945WX uses Shimada Peak (2025) (4 nm). In PassMark, the Core Ultra 9 275HX scores 56,018 against the Ryzen Threadripper PRO 9945WX's 56,854 — a 1.5% lead for the Ryzen Threadripper PRO 9945WX. L3 cache: 36 MB (total) on the Core Ultra 9 275HX vs 64 MB (total) on the Ryzen Threadripper PRO 9945WX.

FeatureCore Ultra 9 275HXRyzen Threadripper PRO 9945WX
Cores / Threads
24 / 24+100%
12 / 24
Boost Clock
5.4 GHz
5.4 GHz
Base Clock
2.7 GHz
4.7 GHz+74%
L3 Cache
36 MB (total)
64 MB (total)+78%
L2 Cache
3 MB (per core)+200%
1 MB (per core)
Process
3 nm-25%
4 nm
Architecture
Arrow Lake-HX (2025)
Shimada Peak (2025)
PassMark
56,018
56,854+1%
Geekbench 6 Single
2,835
Geekbench 6 Multi
17,908
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Memory & Platform

The Core Ultra 9 275HX uses the FCBGA2114 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9945WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Ryzen Threadripper PRO 9945WX supports up to 2048 GB of RAM compared to 256 GB 700% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 275HX) vs 8 (Ryzen Threadripper PRO 9945WX). PCIe lanes: 24 (Core Ultra 9 275HX) vs 128 (Ryzen Threadripper PRO 9945WX) — the Ryzen Threadripper PRO 9945WX offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: HM870,WM880 (Core Ultra 9 275HX) and WRX90,TRX50 (Ryzen Threadripper PRO 9945WX).

FeatureCore Ultra 9 275HXRyzen Threadripper PRO 9945WX
Socket
FCBGA2114
sTR5
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-6400
6400
Max RAM Capacity
256 GB
2048 GB+700%
RAM Channels
2
8+300%
ECC Support
No
Yes
PCIe Lanes
24
128+433%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 9945WX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core Ultra 9 275HX) vs VT-x, VT-d, AMD-V (Ryzen Threadripper PRO 9945WX). The Core Ultra 9 275HX includes integrated graphics (Intel Arc Graphics), while the Ryzen Threadripper PRO 9945WX requires a dedicated GPU. Primary use case: Core Ultra 9 275HX targets High-End Gaming Laptop. Direct competitor: Core Ultra 9 275HX rivals Ryzen 9 9955HX; Ryzen Threadripper PRO 9945WX rivals Xeon w7-3545.

FeatureCore Ultra 9 275HXRyzen Threadripper PRO 9945WX
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, AMD-V
Target Use
High-End Gaming Laptop