Intel Core Ultra 7 265K
Expert rating8.3 / 10
- Boost/Base Clock:
- 5.5 GHz / 3.9 GHz
- Core/Thread Count:
- 20 Core (8P+12E) / 20 Thread
- Cache:
- 30MB L3 + 36MB L2
- TDP:
- 125 W
- CPU Process Node:
- TSMC N3B (Compute Tile)
- CPU Socket:
- FCLGA1851
- CPU Series:
- Arrow Lake, Core Ultra 200 Series
- Memory Support:
- DDR5-6400
- Form Factor:
- Desktop
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Manufacturer: Intel Last updated: 2026-10-10
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Intel Core Ultra 7 265K Review
The Intel Core Ultra 7 265K is a 20-core (8 Performance + 12 Efficient) Arrow Lake desktop processor without hyperthreading, with P-cores boosting to 5.5 GHz within a 125W base / 250W max turbo power envelope on the LGA 1851 socket, launched October 2024.
Retaining the same 8P+12E core layout as its 14700K predecessor, this chip's real gains come from Arrow Lake's newer Lion Cove and Skymont core architecture, delivering meaningfully improved multi-threaded productivity throughput at genuinely better power efficiency.
Architecture
Arrow Lake's disaggregated tile-based design splits compute, SoC, graphics, and I/O across separate tiles, with the CPU compute tile manufactured on TSMC's advanced N3B process, a genuinely different approach from Intel's earlier monolithic desktop chips.
How Is the Core Ultra 7 265K in Terms of Performance
The 20-core hybrid layout without hyperthreading gives this chip strong multi-threaded productivity performance, with independent reviews showing meaningfully better multi-core throughput than its 14700K predecessor thanks to the newer Skymont E-cores.
Measured results
Cinebench scores
| Cinebench 2024, Single-Core Median of 2 independently published results. | 142 139 to 145 |
Benchmarks
Independent testing recorded Cinebench R23 multi-core scores around 35,900 and single-core scores around 2,270, with Geekbench 6 multi-core scores around 20,000, confirming genuinely strong productivity throughput for this mid-flagship Arrow Lake chip.
Our verdict
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.3 / 10
The Intel Core Ultra 7 265K offers near-flagship multithreaded performance for less money, a sensible pick for mixed work and play.
Best for
- Buyers wanting strong multi-core productivity throughput and improved efficiency over Intel's 14th Gen at a lower price than the 285K
Not for
- Buyers prioritizing maximum gaming frame rates, AMD's 3D V-Cache chips generally lead in gaming-specific benchmarks
Specifications
What these specs meanIdentity
| Brand | Intel |
|---|---|
| Product Line | Core Ultra 7 |
| Model Number | 265K |
| Codename | Arrow Lake-S |
| Release Year | 2024 |
Segment and platform
| Market Segment | Desktop |
|---|---|
| Microarchitecture | Arrow Lake, Core Ultra 200 Series |
| Socket | FCLGA1851 |
| Socket Status | Current |
| Process Node | 3 nm |
Core configuration
| Total Cores | 20 |
|---|---|
| Performance Cores | 8 |
| Efficiency Cores | 12 |
| Total Threads | 20 |
| SMT Enabled | No |
Clock speeds
| P-Core Base Clock | 3.9 GHz |
|---|---|
| P-Core Boost Clock | 5.4 GHz |
| E-Core Base Clock | 3.3 GHz |
| E-Core Boost Clock | 4.6 GHz |
| Unlocked Multiplier | Yes |
Cache
| L2 Cache | 36 MB |
|---|---|
| L3 Cache | 30 MB |
| 3D Stacked Cache | No |
Power and thermal
| Base Power | 125 W |
|---|---|
| Max Turbo Power | 250 W |
Memory
| Memory Type | DDR5-6400 |
|---|---|
| Max Memory Speed | 6400 MT/s |
| Memory Channels | 2 |
| Max Memory Capacity | 256 GB |
| ECC Support | Yes |
Graphics and AI
| Integrated Graphics | Yes |
|---|---|
| iGPU Model | Intel Graphics |
| iGPU Compute Units | 4 |
| NPU Peak TOPS | 13 TOPS |
| Copilot Plus Certified | No |
Expansion
| PCIe Generation | PCIe 5.0 |
|---|---|
| PCIe Lanes | 24 |
Commercial
| Launch MSRP | 394 USD |
|---|---|
| Retail Availability | Boxed Retail |
| Form Factor | Desktop |
|---|---|
| TDP | 125 W |
| iGPU | Intel Graphics |
FAQs
What are the key specifications of the Intel Core Ultra 7 265K?
The Intel Core Ultra 7 265K has 20 cores and 20 threads, a 3.9 GHz base and 5.4 GHz boost clock, 30 MB of L3 cache and a 125 W TDP. Integrated graphics: Intel Graphics. Socket: FCLGA1851.
Will the Intel Core Ultra 7 265K work with my current setup?
The Intel Core Ultra 7 265K lists CPU Socket is LGA 1851. Check that against the hardware you already own before buying, since this is the field that most often decides whether a part fits.
Who is the Intel Core Ultra 7 265K best suited to?
Best suited to: Buyers wanting strong multi-core productivity throughput and improved efficiency over Intel's 14th Gen at a lower price than the 285K.
What are the drawbacks of the Intel Core Ultra 7 265K?
Not the best fit for: Buyers prioritizing maximum gaming frame rates, AMD's 3D V-Cache chips generally lead in gaming-specific benchmarks.
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