Intel Core Ultra 7 265KF - LGA1851 20-Core 5.5 GHz DDR5 (Tray)
Intel Core Ultra 7 265KF: 20-core (8P+12E) desktop CPU, 5.5 GHz boost, DDR5/PCIe 5.0, 125W TDP, LGA1851, no iGPU, unlocked K-series, tray packaging.
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The Intel Core Ultra 7 265KF is a high-performance desktop processor featuring 20 cores (8 Performance-cores + 12 Efficient-cores) with up to 5.5 GHz boost frequency. Based on the Arrow Lake architecture and manufactured on Intel’s advanced 3nm process, this unlocked K-series processor delivers excellent multi-threaded performance while maintaining power efficiency through its hybrid core design. The F-designation indicates no integrated graphics, requiring a discrete GPU for display output.
This processor supports DDR5-6400 memory at up to 192GB capacity with dual-channel configuration, PCIe 5.0 connectivity for maximum bandwidth, and includes Intel AI Boost NPU with 13 TOPS for AI workload acceleration. With a base TDP of 125W and maximum turbo power of 250W, it requires appropriate cooling solutions. The LGA1851 socket ensures compatibility with latest Intel 200-series chipsets. Tray packaging indicates this is an OEM/bulk variant without retail packaging or included cooler.
Key specifications and features:
- 8 Performance-cores (3.9 GHz base / 5.5 GHz boost) + 12 Efficient-cores (3.3 GHz base / 4.6 GHz boost)
- 30MB Smart Cache (8x3MB L2 per P-core + 3x4MB L2 per E-core group)
- Intel Turbo Boost Max 3.0 and Turbo Boost 2.0 technologies
- Intel AI Boost NPU: 13 TOPS performance, supports DirectML, OpenVINO, Windows ML, ONNX RT, WebNN
- DDR5-6400 memory support, ECC capable, up to 192GB maximum
- PCIe 5.0 x20 lanes (78.8 GB/s bandwidth) + PCIe 4.0 support
- Maximum operating temperature: 105°C
- Unlocked multiplier for overclocking enthusiasts
- No integrated graphics – discrete GPU required
| Processor Manufacturer | Intel |
| Processor Family | Intel Core Ultra 7 |
| Processor Model | 265KF |
| Processor Codename | Arrow Lake |
| Processor Socket | LGA1851 (Socket V1) |
| Package Type | Tray |
| Total Cores | 20 |
| Performance Cores | 8 |
| Efficient Cores | 12 |
| Total Threads | 20 |
| Performance-Core Base Frequency | 3.9 GHz |
| Performance-Core Boost Frequency | 5.5 GHz |
| Efficient-Core Base Frequency | 3.3 GHz |
| Efficient-Core Boost Frequency | 4.6 GHz |
| Processor Cache | 30 MB Smart Cache |
| L1 Instruction Cache (P-cores) | 8 x 64 KB |
| L1 Data Cache (P-cores) | 8 x 48 KB |
| L2 Cache (P-cores) | 8 x 3072 KB |
| L1 Instruction Cache (E-cores) | 12 x 64 KB |
| L1 Data Cache (E-cores) | 12 x 32 KB |
| L2 Cache (E-cores) | 3 x 4096 KB |
| L3 Cache | 30 MB |
| Base TDP (PL1) | 125 W |
| Turbo TDP (PL2) | 177 W |
| Maximum TDP | 250 W |
| Maximum Operating Temperature | 105 °C |
| Manufacturing Process | 3 nm |
| Instruction Set Extensions | SSE4.1, SSE4.2, AVX, AVX2 |
| AES-NI | Yes |
| Hyper-Threading | No |
| Turbo Boost Technology | 2.0 |
| Turbo Boost Max 3.0 | Yes, up to 5.5 GHz |
| Speed Shift | Yes |
| Enhanced SpeedStep (EIST) | Yes |
| Idle States | Yes |
| Thermal Monitoring | Yes |
| Deep Learning Boost | Yes |
| Integrated Graphics | No (F-designation) |
| Neural Processing Unit (NPU) | Intel AI Boost |
| NPU Performance | 13 TOPS |
| Total Processor Performance | 25 TOPs |
| AI Software Frameworks Supported | DirectML, OpenVINO, Windows ML, ONNX RT, WebNN |
| Memory Type | DDR5-SDRAM |
| Memory Speed | DDR5-6400 MT/s |
| Maximum Memory | 192 GB |
| Memory Channels | Dual-channel (2) |
| Maximum Memory Bandwidth | 102.4 GB/s |
| ECC Memory Support | Yes |
| PCIe Version | PCIe 5.0 and PCIe 4.0 |
| PCIe Lanes | 20 lanes PCIe 5.0 |
| PCIe Bandwidth | 78.8 GB/s |
| Direct Media Interface (DMI) | DMI 4.0, 8 lanes |
| Unlocked Multiplier | Yes (K-designation) |
| Overclocking Support | Intel Thermal Velocity Boost, Intel Turbo Boost Max, Intel XMP |
| vPro | Yes |
| Standard Manageability (ISM) | Yes |
| Thermal Solution Specification | PCG 2020A |
| Stepping | B0 |
| Intel ARK ID | 241062 |
| Launch Date | Q4 2024 |
| Status | Launched |
| Market Segment | Desktop |
| Use Conditions | PC/Client/Tablet |
| Geekbench 5 Single-Core Score | 2,252 points |
| Geekbench 5 Multi-Core Score | 17,722 points |