CPU Comparison

Intel Core Ultra 9 285 vs Intel Core Ultra 9 285K

A side-by-side comparison of specs, performance and value. The Intel Core Ultra 9 285 is a 65W, 24-core desktop processor offering a balanced mix of high boost clocks and power efficiency without an unlocked multiplier.

Intel · Core Ultra 9
Intel Core Ultra 9 285
24C / 24T5.6 GHz65 W
8.8
Full review
Top pick
Intel · Core Ultra 9
Intel Core Ultra 9 285K
24C / 24T5.7 GHz125 W
9
Full review

The Bottom Line

Overview & Launch

Brand
Intel
Intel
Market
Desktop
Desktop
Segment
Desktop
Desktop
Generation
Ultra 9 (Arrow Lake)
Ultra 9 (Arrow Lake)
Launched
2025
2024
Status
Active
Active
Codename
Arrow Lake-S
Arrow Lake-S
Series
Core Ultra 9
Core Ultra 9
Family
Arrow Lake
Arrow Lake
Predecessor
Intel Core i9-14900
Intel Core i9-14900K

Specifications Compared

Cores & Clocks
Cores
24
24
Threads
24
24
Base Clock
2.5 GHz
3.7 GHz
Boost Clock
5.6 GHz
5.7 GHz
Cache & Power
L3 Cache
36 MB
36 MB
TDP
65 W
125 W
Architecture
Architecture
Arrow Lake-S
Arrow Lake-S
Process Node
3 nm (TSMC)
3 nm (TSMC)
Memory
Memory Type
DDR5
DDR5
Memory Speed
DDR5-6400
DDR5-6400
Memory Channels
Dual (2)
Dual (2)
Max Memory
192 GB
192 GB
Platform & I/O
Socket
LGA 1851
LGA 1851
PCIe Version
PCIe 5.0
PCIe 5.0
PCIe Lanes
20
20
Integrated GPU
Yes
Yes
Unlocked
No
Yes

Performance Compared

Productivity

Intel Core Ultra 9 28593

24 cores provide massive throughput for rendering and compilation.

Intel Core Ultra 9 285KBest96

24 cores crush heavy multi-threaded workloads like rendering.

Gaming

Intel Core Ultra 9 28592

Excellent gaming performance when paired with a modern discrete GPU.

Intel Core Ultra 9 285KBest95

Top-tier gaming performance, easily pushing high refresh rates.

Virtualization

Intel Core Ultra 9 28590

More than capable of running multiple VMs and containers.

Intel Core Ultra 9 285KBest92

Excellent for complex virtualization and containerization.

Efficiency

Intel Core Ultra 9 285Best85

Good efficiency at 65W, though PL2 can spike to 182W under load.

Intel Core Ultra 9 285K80

Efficient at idle, but can draw up to 250W under full load.

Specialized Performance

AI / ML

Intel Core Ultra 9 285Moderate
  • 13 TOPS NPU handles background AI blurring and noise cancellation
  • Not Copilot+ PC certified locally
  • CPU and GPU provide additional AI TOPS
Intel Core Ultra 9 285KModerate
  • 13 TOPS NPU handles background AI tasks
  • Total 36 TOPS combined with CPU and GPU
  • Suitable for light local AI inference

Content Creation

Intel Core Ultra 9 285Very Good
Premiere ProDaVinci ResolveBlenderUnreal EngineVisual Studio
Intel Core Ultra 9 285KExcellent
Cinema 4DPremiere ProAfter EffectsUnreal Engine 5Blender

Gaming

Intel Core Ultra 9 285Excellent
  • 5.6 GHz boost is great for single-threaded game engines
  • Performs nearly identically to the 285K in most titles
  • Requires a discrete GPU for serious gaming
Intel Core Ultra 9 285KExcellent
  • High single-core boost ensures maximum FPS
  • Performs exceptionally well in CPU-bound scenarios
  • Requires a high-end GPU to avoid bottlenecks

Industry Impact

Gaming
High
High
Workstations
Moderate
High
Content Creation
High
High
Virtualization
Moderate
Moderate

Best CPU by Use Case

Mainstream Gaming
Excellent
Video Editing
Very Good
Software Development
Excellent
Streaming
Very Good
Office Productivity
Excellent
4K Gaming
Excellent
3D Animation
Excellent
Competitive Overclocking
Excellent
Code Compilation
Excellent
High-End Streaming
Excellent

Target Audience

Gamers
Targeted
Targeted
Content Creators
Targeted
Targeted
Developers
Targeted
Targeted
Workstation Users
Targeted
Targeted
Streamers
Targeted
Targeted
Office / Productivity
Students

Strengths & Weaknesses

Intel Core Ultra 9 285

Pros

  • Excellent single-core and multi-core balance
  • 65W base TDP is easy to cool
  • Includes modern platform features (PCIe 5.0, DDR5)
  • High 5.6 GHz boost clock
  • Integrated Arc Xe graphics for troubleshooting

Cons

  • Locked multiplier
  • Only 24 threads (no Hyper-Threading)
  • PL2 of 182W requires decent cooling under sustained load
  • Minor IPC improvement over 14th Gen
Intel Core Ultra 9 285K

Pros

  • Unlocked for enthusiast overclocking
  • Excellent single-core and multi-core performance
  • Modern LGA 1851 platform with PCIe 5.0
  • Integrated NPU for AI acceleration
  • High 5.7 GHz boost clock

Cons

  • High power consumption under load (up to 250W)
  • Requires expensive LGA 1851 motherboard
  • Removal of Hyper-Threading reduces thread count vs predecessors
  • Minimal IPC gain over Raptor Lake

Competitors & Alternatives

Intel Core Ultra 9 285

Intel Core Ultra 9 285K

Our Verdict on Each

A highly capable 24-core processor that hits the sweet spot between the low-power 285T and the unlocked 285K, ideal for users wanting performance without high cooling demands.

Best for: Building a high-end gaming or productivity PC without wanting to overclock.

Read the full review

A powerful flagship CPU that brings 3nm efficiency and high clocks to the desktop, though it requires robust cooling for maximum performance.

Best for: Building a brand new, no-compromise high-end gaming or creator PC.

Read the full review

Frequently Asked Questions

Which is better, Intel Core Ultra 9 285 or Intel Core Ultra 9 285K?

Based on our editorial ratings, the Intel Core Ultra 9 285K comes out ahead with a score of 9/10. That said, the best choice depends on your workload — check the spec and performance breakdown above for gaming, productivity and efficiency differences.

Which is faster for gaming, Intel Core Ultra 9 285 or Intel Core Ultra 9 285K?

For gaming, the Intel Core Ultra 9 285K leads with a gaming performance score of 95/100 among Intel Core Ultra 9 285 and Intel Core Ultra 9 285K.

Which uses less power?

The Intel Core Ultra 9 285 has the lowest rated TDP. Power draw across these chips: Intel Core Ultra 9 285 (65 W), Intel Core Ultra 9 285K (125 W).

Do Intel Core Ultra 9 285 and Intel Core Ultra 9 285K use the same socket?

Yes — all of these CPUs use the LGA 1851 socket, so they share compatible motherboards.

Which is faster in multi-core benchmarks?

The Intel Core Ultra 9 285K posts the highest multi-core benchmark score. Multi-core results: Intel Core Ultra 9 285 (53,000), Intel Core Ultra 9 285K (54,000). Benchmark figures are approximate and workload-dependent.