Core Ultra 9 285K vs Ryzen Threadripper PRO 9955WX

Intel

Core Ultra 9 285K

24 Cores24 Thrd125 WWMax: 5.6 GHz2024
Core Ultra family
·······
VS
AMD

Ryzen Threadripper PRO 9955WX

16 Cores32 Thrd350 WWMax: 5.4 GHz2025

Core Ultra 9 285K vs Ryzen Threadripper PRO 9955WX 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 285K vs Ryzen Threadripper PRO 9955WX 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 285K vs Ryzen Threadripper PRO 9955WX: 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 285K

2024

Why buy it

  • Better for gaming: +7.3% higher average FPS across 50 shared CPU benchmark tests.
  • Draws 125W instead of 350W, a 225W reduction.
  • Integrated graphics onboard with Intel Arc Graphics 64EU, while Ryzen Threadripper PRO 9955WX needs a discrete GPU.

Trade-offs

  • Smaller total L3 cache (36 MB vs 64 MB).
  • Less compelling for workstation-style loads than Ryzen Threadripper PRO 9955WX, which brings 16 cores / 32 threads and 128 PCIe lanes.
  • Lower PassMark per dollar, at 114.6 vs 157.5 PassMark/$ ($589 MSRP vs $429 MSRP).

Ryzen Threadripper PRO 9955WX

2025

Why buy it

  • +77.8% larger total L3 cache (64 MB vs 36 MB).
  • Better for workstations and heavier parallel workloads: 16 cores / 32 threads, plus 128 PCIe lanes vs 24.
  • Costs $160 less on MSRP ($429 MSRP vs $589 MSRP).
  • Delivers 37.5% more PassMark for each dollar spent, at 157.5 vs 114.6 PassMark/$ ($429 MSRP vs $589 MSRP).
  • 433.3% more PCIe lanes (128 vs 24) for storage and expansion-heavy builds.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 9 285K across 50 shared CPU benchmark tests.
  • Lower Cinebench R23 multi-core (40,000 vs 45,563).
  • 180% higher power demand at 350W vs 125W.
  • No integrated graphics, while Core Ultra 9 285K can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core Ultra 9 285K better than Ryzen Threadripper PRO 9955WX?
Not really, because they are built for different jobs. Ryzen Threadripper PRO 9955WX makes more sense for workstation-style multi-core throughput, while Core Ultra 9 285K 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 9 285K is the better pick. According to our tests, it delivers 7.3% 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 9 285K is the stronger fit. You are getting 13.9% better Cinebench R23 multi-core, backed by 24 cores and 24 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core Ultra 9 285K is still the faster CPU overall, but Ryzen Threadripper PRO 9955WX is easier to justify if budget matters more than peak performance. Core Ultra 9 285K comes in 37.3% more expensive on MSRP at $589 MSRP versus $429 MSRP, and it still gives you a 7.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen Threadripper PRO 9955WX is also 37.5% better value on MSRP (157.5 vs 114.6 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
Which one is more future-proof for 2026 and beyond?
Ryzen Threadripper PRO 9955WX makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2024), 77.8% larger total L3 cache (64 MB vs 36 MB), and AVX-512 support for heavier modern compute workloads. That makes it the safer long-term bet.

Core Ultra 9 285K vs Ryzen Threadripper PRO 9955WX Technical Specifications

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

Intel

Core Ultra 9 285K

The Core Ultra 9 285K is manufactured by Intel. It was released in 24 October 2024 (1 year ago). It is based on the Arrow Lake-S (2024−2025) architecture. It features 24 cores and 24 threads. Base frequency is 3.7 GHz, with boost up to 5.6 GHz. L3 cache: 36 MB (total). L2 cache: 3 MB (per core). Built on 3 nm process technology. Socket: LGA1851. Thermal design power (TDP): 125 Watt. Memory support: DDR5-6400. Passmark benchmark score: 67,482 points. Launch price was $589.

AMD

Ryzen Threadripper PRO 9955WX

The Ryzen Threadripper PRO 9955WX is manufactured by AMD. It was released in 23 July 2025 (less than a year ago). It is based on the Shimada Peak (2025) architecture. It features 16 cores and 32 threads. Base frequency is 4.5 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: 67,561 points. Launch price was $1,649.

Processing Power

The Core Ultra 9 285K packs 24 cores / 24 threads, while the Ryzen Threadripper PRO 9955WX offers 16 cores / 32 threads — the Core Ultra 9 285K has 8 more cores. Boost clocks reach 5.6 GHz on the Core Ultra 9 285K versus 5.4 GHz on the Ryzen Threadripper PRO 9955WX — a 3.6% clock advantage for the Core Ultra 9 285K (base: 3.7 GHz vs 4.5 GHz). The Core Ultra 9 285K uses the Arrow Lake-S (2024−2025) architecture (3 nm), while the Ryzen Threadripper PRO 9955WX uses Shimada Peak (2025) (4 nm). In PassMark, the Core Ultra 9 285K scores 67,482 against the Ryzen Threadripper PRO 9955WX's 67,561 — a 0.1% lead for the Ryzen Threadripper PRO 9955WX. Cinebench R23 multi-core: 45,563 vs 40,000 (13% advantage for the Core Ultra 9 285K). Geekbench 6 single-core — the metric most relevant to gaming — records 3,200 vs 3,016, a 5.9% lead for the Core Ultra 9 285K that directly translates to higher frame rates. Multi-core Geekbench: 22,563 vs 23,596 (4.5% advantage for the Ryzen Threadripper PRO 9955WX). L3 cache: 36 MB (total) on the Core Ultra 9 285K vs 64 MB (total) on the Ryzen Threadripper PRO 9955WX.

FeatureCore Ultra 9 285KRyzen Threadripper PRO 9955WX
Cores / Threads
24 / 24+50%
16 / 32
Boost Clock
5.6 GHz+4%
5.4 GHz
Base Clock
3.7 GHz
4.5 GHz+22%
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-S (2024−2025)
Shimada Peak (2025)
PassMark
67,482
67,561
Cinebench R23 Multi
45,563+14%
40,000
Geekbench 6 Single
3,200+6%
3,016
Geekbench 6 Multi
22,563
23,596+5%
🧠

Memory & Platform

The Core Ultra 9 285K uses the LGA1851 socket (PCIe 5.0), while the Ryzen Threadripper PRO 9955WX uses sTR5 (PCIe 4.0) — making them incompatible on the same motherboard. Both support up to DDR5-6400 memory speed. The Ryzen Threadripper PRO 9955WX supports up to 2048 GB of RAM compared to 192 GB 966.7% more capacity for professional workloads. Memory channels: 2 (Core Ultra 9 285K) vs 8 (Ryzen Threadripper PRO 9955WX). PCIe lanes: 24 (Core Ultra 9 285K) vs 128 (Ryzen Threadripper PRO 9955WX) — the Ryzen Threadripper PRO 9955WX offers 104 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z890 (Core Ultra 9 285K) and WRX90 (Ryzen Threadripper PRO 9955WX).

FeatureCore Ultra 9 285KRyzen Threadripper PRO 9955WX
Socket
LGA1851
sTR5
PCIe Generation
PCIe 5.0+25%
PCIe 4.0
Max RAM Speed
DDR5-6400
DDR5-6400
Max RAM Capacity
192 GB
2048 GB+967%
RAM Channels
2
8+300%
ECC Support
Yes
Yes
PCIe Lanes
24
128+433%
🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen Threadripper PRO 9955WX supports AVX-512 instructions — important for machine learning and scientific applications. Both support true virtualization. The Core Ultra 9 285K includes integrated graphics (Intel Arc Graphics 64EU), while the Ryzen Threadripper PRO 9955WX requires a dedicated GPU. Direct competitor: Core Ultra 9 285K rivals Ryzen 9 9950X; Ryzen Threadripper PRO 9955WX rivals Xeon w7-3555.

FeatureCore Ultra 9 285KRyzen Threadripper PRO 9955WX
Integrated GPU
Yes
No
IGPU Model
Intel Arc Graphics 64EU
None
Unlocked
Yes
Yes
AVX-512
No
Yes
Virtualization
true
true
💰

Value Analysis

At launch, the Core Ultra 9 285K was priced at $589, while the Ryzen Threadripper PRO 9955WX came in at $429. On launch pricing ($589 vs $429), Ryzen Threadripper PRO 9955WX was $160 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core Ultra 9 285K delivers 114.6 pts/$ vs 157.5 pts/$ for the Ryzen Threadripper PRO 9955WX — making the Ryzen Threadripper PRO 9955WX the 31.5% better value option.

FeatureCore Ultra 9 285KRyzen Threadripper PRO 9955WX
MSRP
$589
$429-27%
Performance per Dollar
114.6
157.5+37%
Release Date
2024
2025

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.