
Intel
Intel Core Ultra 7 265KF 20-Core Desktop Processor
★★★★★
Twenty cores and 5.5 GHz turbo clocks make Intel's unlocked Core Ultra 7 265KF a powerhouse for gaming and content creation.
$276.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
Total Core 20 (8P plus12E)
Processor Thread 20
Max Clock Frequency 5.5 GHz
Intel 800 Series Chipset-based motherboards
Specifications
Brand
Intel
Model
Core Ultra 7 265KF
Total Cores
20 (8 P-cores + 12 E-cores)
Threads
20
Max Turbo Frequency
5.5 GHz
Cache
36MB
Processor Base Power
125W
Socket
LGA 1851
Chipset Compatibility
Intel 800 Series
Memory Support
DDR5
PCIe Support
PCIe 5.0 & PCIe 4.0
Integrated Graphics
None (F-series)
Overclocking
Unlocked
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View on Amazon →Pros & Cons
👍 Pros
- 20 cores with hybrid P-core/E-core architecture efficiently balances high-performance and background workloads
- 5.5 GHz max turbo frequency delivers strong single-threaded performance for gaming
- Unlocked multiplier allows overclocking for users who want to push beyond stock performance
- PCIe 5.0 and DDR5 support provides access to the latest high-bandwidth storage and memory
- 36MB of cache helps reduce latency in compute-heavy and gaming workloads
👎 Cons
- No integrated graphics requires a dedicated GPU, adding cost even for basic display output and troubleshooting
- 125W base power draw means a capable cooling solution is required, adding to overall system cost
- DDR5-only memory support means existing DDR4 RAM cannot be reused from a previous build
- Requires a new Intel 800 series motherboard, which limits upgrade compatibility with older platforms
- 20 threads from 20 cores means no simultaneous multithreading, so threaded workloads may trail competitors with SMT/HT
Frequently Asked Questions
What does the "KF" designation mean on this processor?
The "K" indicates the processor is unlocked for overclocking, and the "F" means it has no integrated graphics. You will need a dedicated graphics card to get display output.
What motherboard chipset does this processor require?
The Core Ultra 7 265KF requires an Intel 800 series chipset-based motherboard with an LGA 1851 socket.
How are the 20 cores configured on this CPU?
The processor uses a hybrid architecture with 8 Performance cores (P-cores) for demanding tasks and 12 Efficient cores (E-cores) for background and lighter workloads, totaling 20 threads.
What memory type does this processor support?
The Core Ultra 7 265KF supports DDR5 memory. It does not support DDR4.
What is the base power consumption of this processor?
The processor base power (PBP) is 125W, though actual power draw may be higher under sustained all-core turbo loads, especially when overclocked.