Intel Core Ultra 7 270K Plus vs Intel Core i9 12900KS

Updated Nov 2026 · Scored by the Let’s Compare Data Engine · How we score

For most buyers the Intel Core Ultra 7 270K Plus is the better pick — it scores 79/100 to the Intel Core i9 12900KS's 54, leading on Core Specifications and Benchmark. Choose the Intel Core i9 12900KS instead if you want to spend less.

Verdict

Our overall take, at a glance

Key takeaways

  • Intel Core Ultra 7 270K Plus leads Intel Core i9 12900KS overall by 25 points (79 vs 54 out of 100).
  • Intel Core Ultra 7 270K Plus stands out on Core Specifications L2 Cache: 40 MB (186% more), Core Specifications L1 Cache: 2,432 KB (73% more), Benchmark PassMark CPU Mark: 68,525 (58% more).
Intel Core Ultra 7 270K Plus leads overall
Intel Core Ultra 7 270K Plus
79
Intel Core i9 12900KS
54
Why it stands out
  • Core Specifications L2 Cache: 40 MB (186% more)
  • Core Specifications L1 Cache: 2,432 KB (73% more)
  • Benchmark PassMark CPU Mark: 68,525 (58% more)

In-depth analysisAI

AI-generated from the cited sources — may be incomplete or inaccurate; verify important details before deciding · generated Nov 2026.

Intel Core Ultra 7 270K Plus

The Intel Core Ultra 7 270K Plus is an unlocked desktop processor built on a 3nm lithography process for the LGA 1851 platform. It features 24 cores and 24 threads with a base clock frequency of 3.7 GHz and maximum boost speeds reaching up to 5.5 GHz. Designed for demanding desktop computing, it integrates Intel Graphics alongside a total of 76 MB of combined L2 and L3 cache.

Best for Heavy multi-threaded workloads such as video rendering and software compilationBest for Custom desktop builds requiring high peak clock speeds on the LGA 1851 socket
Pros
  • High 24-core configuration suited for demanding multi-threaded tasks
  • Maximum boost clock speeds of up to 5.5 GHz
  • Built using an advanced 3nm manufacturing process
  • Unlocked multiplier allows for custom processor overclocking
Cons
  • High peak power consumption reaching up to 250 W under heavy loads
  • Requires the LGA 1851 platform socket, limiting upgrade options on older motherboards

Intel Core i9 12900KS

The Intel Core i9 12900KS is a top-tier desktop processor designed for the LGA1700 platform, equipped with 16 cores and 24 threads. It features a maximum boost clock frequency of up to 5.5 GHz alongside integrated Intel UHD Graphics 770. Built for enthusiasts and demanding power users, it prioritizes extreme single-core and multi-core performance, though it demands a robust cooling solution to manage its thermal output.

Best for High-framerate PC gaming requiring top-tier single-core clock speedsBest for Demanding multi-threaded tasks such as video rendering and 3D animation
Pros
  • High peak clock speeds reaching up to 5.5 GHz
  • 16 cores and 24 threads provide strong multi-threaded performance
  • Unlocked design allows for manual user overclocking
  • Includes integrated Intel UHD Graphics 770 for display output without a discrete GPU
Cons
  • High maximum power consumption reaching 241 W under heavy workloads
  • 150 W base power requirement requires substantial thermal management

Value for Money

Which is the better deal for the price

Pre-filled with launch prices where known — enter today's price for an up-to-date check. Use the same currency for both.

Intel Core Ultra 7 270K Plus

Intel Core i9 12900KS

Performance

Higher benchmark score = faster

Intel Core Ultra 7 270K Plus68,525
Intel Core i9 12900KS43,378

Benchmark score — a measured indicator of raw performance, not a guarantee of real-world speed.

Review Videos

Hand-picked expert reviews for each product

Detailed Specifications

The full spec sheet, side by side

Frequently Asked Questions

Common questions about Intel Core Ultra 7 270K Plus vs Intel Core i9 12900KS comparison

Based on our overall comparison score, Intel Core Ultra 7 270K Plus rates higher at 84/100 versus 70/100 for Intel Core i9 12900KS — a 14-point lead. Intel Core Ultra 7 270K Plus is the stronger overall pick, though the right choice still depends on which specs matter most to you; the full spec table above breaks down every difference.
Intel Core Ultra 7 270K Plus and Intel Core i9 12900KS are compared side by side above across every spec in the cpus category — including performance, features and design — each scored 0–100 so you can see exactly where one leads the other. Our overall scores are 84/100 for Intel Core Ultra 7 270K Plus and 70/100 for Intel Core i9 12900KS.
If you want the higher-rated cpus option overall, Intel Core Ultra 7 270K Plus (84/100) edges out Intel Core i9 12900KS (70/100). But if Intel Core i9 12900KS is cheaper or stronger on the specific specs you care about, it can still be the better buy — use the spec table and strengths profile above to decide.

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