Intel Core i9-13900K vs Intel Core Ultra 9 285K
The Intel Core Ultra 9 285K is generally better for users building a new high-end system due to its newer architecture and improved efficiency, while the i9-13900K remains a strong option for those on the LGA1700 platform.
AI Verdict
Intel Core Ultra 9 285K wins overall.
By the numbers
Performance
Pick B wins
The Ultra 9 285K, with its newer 3nm process and higher base clock, is expected to offer superior single-core and multi-core performance, especially in modern applications and games, despite a slightly lower boost clock.
Value for money
Pick B wins
At the same MSRP, the Ultra 9 285K offers a more advanced architecture, better integrated graphics, and higher memory speed support, providing more value for a new build.
Power efficiency
Pick B wins
The 3nm process of the Ultra 9 285K is significantly more power-efficient than the 7nm process of the 13900K, leading to lower power consumption and heat generation under load.
Future-proofing
Pick B wins
The Ultra 9 285K's newer LGA1851 socket and support for faster DDR5 memory make it a more future-proof choice, as it will likely support more generations of CPUs and newer technologies.
Pick A if…
- • You already own an LGA1700 motherboard and want to upgrade your CPU without replacing the motherboard.
- • You find the i9-13900K at a significant discount compared to the Ultra 9 285K.
- • Your workload heavily benefits from the 13900K's slightly higher boost clock in specific, older applications.
Pick B if…
- • You are building a brand new high-end PC and want the latest architecture and best performance.
- • You prioritize power efficiency and lower heat output for your system.
- • You want better integrated graphics performance for light gaming or content creation without a dedicated GPU.
Specs side-by-side
| Spec | A: Core i9-13900K | B: Core Ultra 9 285K |
|---|---|---|
| Cores | 24 | 24 |
| Threads | 32 | 24 |
| Base clock | 3 GHz | 3.7 GHz |
| Boost clock | 5.8 GHz | 5.7 GHz |
| Socket | LGA1700 | LGA1851 |
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Common questions
Intel Core i9-13900K vs Intel Core Ultra 9 285K — which should I buy?+
The Intel Core Ultra 9 285K is generally better for users building a new high-end system due to its newer architecture and improved efficiency, while the i9-13900K remains a strong option for those on the LGA1700 platform.
When does Intel Core i9-13900K win?+
You already own an LGA1700 motherboard and want to upgrade your CPU without replacing the motherboard. You find the i9-13900K at a significant discount compared to the Ultra 9 285K. Your workload heavily benefits from the 13900K's slightly higher boost clock in specific, older applications.
When does Intel Core Ultra 9 285K win?+
You are building a brand new high-end PC and want the latest architecture and best performance. You prioritize power efficiency and lower heat output for your system. You want better integrated graphics performance for light gaming or content creation without a dedicated GPU.
Are the prices live or MSRP?+
MSRP is shown as a reference baseline. Click either product card to see live retailer pricing — we pull current prices from Amazon, Newegg, Best Buy and other retailers on demand, cached for 30 days. Prices localize automatically for US, Canada, and India.