TurboVS
Intel Core Ultra 5 245
Intel Core Ultra 7 265F

Intel Core Ultra 5 245 Intel Core Ultra 7 265F

Overview

Welcome to our in-depth specification comparison between the Intel Core Ultra 5 245 and the Intel Core Ultra 7 265F. Both processors share the same LGA 1851 platform, DDR5 memory support, and PCIe 5.0 connectivity, yet they diverge in meaningful ways across core count, cache size, and graphics capability. Whether you are building a compact all-in-one system or chasing maximum multithreaded throughput, understanding these distinctions is key to making the right choice.

Common Features

  • ✓ Both processors are designed for the Desktop segment.
  • ✓ Both processors use the LGA 1851 CPU socket.
  • ✓ Both processors are manufactured using a 3 nm semiconductor size.
  • ✓ Both processors have a maximum CPU temperature of 105 °C.
  • ✓ Both processors support PCI Express version 5.
  • ✓ Both processors support 64-bit computing.
  • ✓ Neither processor has an unlocked multiplier.
  • ✓ Both processors use big.LITTLE technology.
  • ✓ Both processors feature Turbo Boost version 2.
  • ✓ Both processors support a maximum RAM speed of 6400 MHz.
  • ✓ Both processors use DDR5 memory.
  • ✓ Both processors have 2 memory channels.
  • ✓ Both processors support a maximum memory amount of 192 GB.
  • ✓ Both processors support ECC memory.
  • ✓ Both processors share the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ Both processors feature the NX bit.

Main Differences

  • • Integrated graphics is present on the Intel Core Ultra 5 245 but not available on the Intel Core Ultra 7 265F.
  • • CPU speed is 6 x 3.5 & 8 x 3 GHz on the Intel Core Ultra 5 245 and 8 x 2.4 & 12 x 1.8 GHz on the Intel Core Ultra 7 265F.
  • • CPU threads count is 14 on the Intel Core Ultra 5 245 and 20 on the Intel Core Ultra 7 265F.
  • • Turbo clock speed is 5.1 GHz on the Intel Core Ultra 5 245 and 5.3 GHz on the Intel Core Ultra 7 265F.
  • • L2 cache is 26 MB on the Intel Core Ultra 5 245 and 36 MB on the Intel Core Ultra 7 265F.
  • • Clock multiplier is 35 on the Intel Core Ultra 5 245 and 24 on the Intel Core Ultra 7 265F.
Specs Comparison
Intel Core Ultra 5 245

Intel Core Ultra 5 245

Intel Core Ultra 7 265F

Intel Core Ultra 7 265F

General info:
Type Desktop Desktop
CPU socket LGA 1851 LGA 1851
Has integrated graphics ✓ ✕
release date January 2025 January 2025
semiconductor size 3 nm 3 nm
CPU temperature 105 °C 105 °C
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓

At the foundational level, the Intel Core Ultra 5 245 and Core Ultra 7 265F are remarkably similar: both are desktop processors sharing the same LGA 1851 socket, built on a 3 nm process node, and supporting PCIe 5.0 and 64-bit computing. This means they slot into the same motherboards and benefit equally from the manufacturing efficiency and power density that the 3 nm node provides.

The one meaningful differentiator in this group is integrated graphics. The Core Ultra 5 245 includes an integrated GPU, while the Core Ultra 7 265F has none — the ″F″ suffix in Intel's naming convention explicitly signals the absence of integrated graphics. In practice, this matters significantly for system builders: the Ultra 5 245 can drive a display and function as a complete system without a discrete GPU, making it more versatile for budget builds, HTPCs, or office machines. The Ultra 7 265F, by contrast, requires a dedicated graphics card to output any video signal at all.

For users who already plan to install a discrete GPU, the lack of integrated graphics on the 265F is a non-issue. But for anyone seeking flexibility — or a fallback in case of a GPU failure — the Core Ultra 5 245 holds a clear edge in this category. All other general specs in this group are identical, so the integrated graphics distinction is the sole decision factor here.

Performance:
CPU speed 6 x 3.5 & 8 x 3 GHz 8 x 2.4 & 12 x 1.8 GHz
CPU threads 14 threads 20 threads
turbo clock speed 5.1GHz 5.3GHz
Has an unlocked multiplier ✕ ✕
L2 cache 26 MB 36 MB
Uses big.LITTLE technology ✓ ✓
clock multiplier 35 24
Turbo Boost version 2 2

The Intel Core Ultra 5 245 and Intel Core Ultra 7 265F differ in several performance-related specifications. The Ultra 5 245 has a CPU speed configuration of 6 cores running at 3.5 GHz and 8 cores running at 3 GHz, while the Ultra 7 265F features 8 cores at 2.4 GHz and 12 cores at 1.8 GHz. This results in a different core configuration and speed balance, with the Ultra 5 245 offering higher speeds on fewer cores, and the Ultra 7 265F providing more cores but at lower speeds.

Both processors support Turbo Boost version 2, with the Ultra 5 245 achieving a turbo clock speed of 5.1 GHz, while the Ultra 7 265F can reach 5.3 GHz, giving it a slight edge in turbo performance. Additionally, the Ultra 5 245 has 14 threads, compared to the 20 threads of the Ultra 7 265F, which could contribute to better multitasking and parallel processing on the Ultra 7 265F.

In terms of cache, the Ultra 5 245 offers a 26 MB L2 cache, while the Ultra 7 265F has a larger 36 MB L2 cache. Both processors use big.LITTLE technology and have a clock multiplier of 35 for the Ultra 5 245 and 24 for the Ultra 7 265F. However, neither product features an unlocked multiplier, limiting overclocking potential.

Memory:
RAM speed (max) 6400 MHz 6400 MHz
DDR memory version 5 5
memory channels 2 2
maximum memory amount 192GB 192GB
Supports ECC memory ✓ ✓

The Intel Core Ultra 5 245 and Intel Core Ultra 7 265F offer identical memory specifications across the board. Both processors support a maximum RAM speed of 6400 MHz and are compatible with DDR5 memory, ensuring high-speed data transfer capabilities. Each product has 2 memory channels, which allows for efficient memory access and improved overall performance in multitasking scenarios.

Additionally, both processors have the same maximum memory capacity of 192 GB, providing ample space for demanding workloads. They also share the feature of supporting ECC (Error-Correcting Code) memory, which enhances system stability by detecting and correcting memory errors.

Features:
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2 MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit ✓ ✓

The Intel Core Ultra 5 245 and Intel Core Ultra 7 265F are identical in terms of features. Both processors support the same instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. These instruction sets enable a range of optimizations for different workloads, including multimedia and cryptography tasks.

Additionally, both processors feature the NX (No Execute) bit, which enhances security by preventing certain types of malicious code from executing in specific areas of memory.

Comparison Summary & Verdict

After examining the full specification sheet, a clear picture emerges for each processor. The Intel Core Ultra 5 245 stands out with its integrated graphics and a higher clock multiplier of 35, making it the pragmatic pick for builders who need a capable, self-contained desktop system without a dedicated GPU. The Intel Core Ultra 7 265F, on the other hand, pulls ahead with 20 threads, a larger 36 MB L2 cache, and a higher turbo clock of 5.3 GHz, delivering a clear advantage in heavily threaded workloads and compute-intensive tasks. Both share identical memory support, ECC compatibility, and instruction sets, so the decision ultimately rests on whether you value built-in display output or raw, scalable processing power paired with a discrete GPU.

Intel Core Ultra 5 245
Buy Intel Core Ultra 5 245 if...

Buy the Intel Core Ultra 5 245 if you want a capable desktop processor with integrated graphics, allowing you to build a complete system without relying on a dedicated GPU.

Intel Core Ultra 7 265F
Buy Intel Core Ultra 7 265F if...

Buy the Intel Core Ultra 7 265F if you prioritize higher thread counts, a larger L2 cache, and a faster turbo clock speed for demanding multithreaded workloads, and you already plan to use a discrete graphics card.