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Intel
Intel Core Ultra 7 265F BX80768265F desktop processor
A 20-core desktop processor with eight performance and twelve efficient cores, 30 MB L3 cache and DDR5 6400 MT/s support
- Processors TypeDesktop
- NameCore Ultra 7 265F
- CPU Socket TypeLGA 1851
- Core NameArrow Lake
- # of Cores20-Core (8P+12E)
- # of Threads20-Threads
- 20 cores with 8 performance and 12 efficient cores handle heavy multitasking
- Performance cores reach 5.2 GHz turbo for fast single-thread speed
- 30 MB L3 plus 36 MB L2 cache reduce memory latency
- Supports DDR5 6400 MT/s memory for high bandwidth
- 65 W base power keeps thermal demands moderate
Socket and core layout
The Core Ultra 7 265F plugs into an LGA 1851 motherboard and delivers 20 cores split into 8 performance and 12 efficient units. It runs at a 65 W base power and has no integrated graphics, so a discrete GPU is required. The processor supports up to 256 GB of DDR5 memory across two channels.
Maximum turbo frequency
The highest single-thread speed reaches 5.3 GHz via Intel Turbo Boost Max Technology 3.0, while performance cores can hit 5.2 GHz and efficient cores 4.6 GHz. This peak frequency is the key figure for workloads that rely on burst single-core responsiveness.
Sustained multi-core behaviour
Under continuous all-core load the processor maintains its 65 W base power envelope with performance cores at 2.4 GHz and efficient cores at 1.8 GHz. The 36 MB L2 and 30 MB L3 caches help sustain throughput for extended compile, render or simulation tasks.
Highlights
- 20 cores with 8 performance and 12 efficient cores handle heavy multitasking
- Performance cores reach 5.2 GHz turbo for fast single-thread speed
- 30 MB L3 plus 36 MB L2 cache reduce memory latency
- Supports DDR5 6400 MT/s memory for high bandwidth
- 65 W base power keeps thermal demands moderate
Specifications
| Brand | Intel |
|---|---|
| Processors Type | Desktop |
| Series | Core Ultra 7 (Series 2) |
| Name | Core Ultra 7 265F |
| Model | BX80768265F |
| CPU Socket Type | LGA 1851 |
| Core Name | Arrow Lake |
| # of Cores | 20-Core (8P+12E) |
| # of Threads | 20-Threads |
| Operating Frequency | Performance-core Base Frequency: 2.4 GHz Efficient-core Base Frequency: 1.8 GHz |
| Max Turbo Frequency | P-core Max Turbo Frequency: Up to 5.2 GHz E-core Max Turbo Frequency: Up to 4.6 GHz Intel Turbo Boost Max Technology 3.0 Frequency: Up to 5.3 GHz |
| L2 Cache | 36MB |
| L3 Cache | 30MB |
| Manufacturing Tech | 3nm (TSMC N3B) |
| Memory Types | Up to DDR5 6400 MT/s |
| Memory Channel | 2 |
| Max Memory Size | 256 GB |
| Integrated Graphics | None Integrated Graphics |
| Scalability | 1S Only |
| PCI Express Revision | 5.0 / 4.0 |
| PCI Express Configurations | Up to 1x16+2x4, 2x8+2x4, 1x8+4x4 |
| Max Number of PCI Express Lanes | 24 |
| Thermal Design Power | 65W |
| Max Turbo Power | 182W |
| Cooling Device | Intel Laminar RM2 |
| Compatible Desktop Chipsets | Intel 800 Series Chipset |
| Advanced Technologies | Intel Gaussian & Neural Accelerator: 3.5 Intel Thread Director: Yes Intel Speed Shift Technology: Yes Intel Turbo Boost Max Technology 3.0: Yes Intel Turbo Boost Technology: 2.0 Intel Hyper-Threading Technology: No Intel 64: Yes Instruction Set: 64-bit Instruction Set Extensions: Intel SSE4.1, Intel SSE4.2, Intel AVX2 Idle States: Yes Enhanced Intel SpeedStep Technology: Yes Thermal Monitoring Technologies: Yes Intel Volume Management Device (VMD): Yes |
| Security & Reliability | Intel Threat Detection Technology (TDT): Yes Intel Active Management Technology (AMT): No Intel Standard Manageability (ISM): Yes Intel Remote Platform Erase (RPE): No Intel One-Click Recovery: No Intel Secure Key: Yes Intel Control-Flow Enforcement Technology: Yes Intel Total Memory Encryption - Multi Key: No Intel AES New Instructions: Yes Intel Trusted Execution Technology: Yes Execute Disable Bit: Yes Intel OS Guard: Yes Intel Boot Guard: Yes Mode-based Execute Control (MBEC): Yes Intel Stable IT Platform Program (SIPP): No Intel Virtualization Technology with Redirect Protection |
| Shipping weight | 0.45 kg |
| Package size | 127 × 102 × 81 mm |
Questions about this item
How does the 5.3 GHz Turbo Boost Max 3.0 frequency behave once the Core Ultra 7 265F is installed in a system?
The processor can reach up to 5.3 GHz on a single performance core when thermal and power headroom allows, while the 65 W base power and 20-thread design mean sustained all-core speeds will settle lower depending on cooling and workload.
What does the PCI Express 5.0 and 4.0 support on the Core Ultra 7 265F cap in practice?
The CPU provides up to 20 lanes of PCIe 5.0 for graphics and storage, with additional PCIe 4.0 lanes for other devices; actual bandwidth depends on the motherboard chipset and slot wiring.
What cooler mounting and clearance does the LGA 1851 socket on the Core Ultra 7 265F require?
The processor fits the LGA 1851 socket and has a 65 W base power; select a cooler rated for at least that TDP and verify physical clearance with your case and memory modules.
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