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

Intel Core Ultra 5 245HX Intel Core Ultra 7 265HX

Overview

When choosing between the Intel Core Ultra 5 245HX and the Intel Core Ultra 7 265HX, laptop buyers face a nuanced decision centered on thread count, cache size, and multi-threaded throughput. Both processors share the same 55W TDP, 3 nm manufacturing process, and DDR5 memory support, yet key differences in CPU threads, turbo clock speeds, and L2 cache could have a real impact depending on your workloads. Read on to see how every specification compares between these two mobile processors.

Common Features

  • ✓ Both products are designed for laptops.
  • ✓ Integrated graphics are available on both products.
  • ✓ Both products have a Thermal Design Power (TDP) of 55W.
  • ✓ Both products are manufactured on a 3 nm semiconductor process.
  • ✓ The maximum CPU temperature is 105 °C on both products.
  • ✓ Both products support PCI Express (PCIe) version 5.
  • ✓ 64-bit computing is supported by both products.
  • ✓ Both products feature an unlocked multiplier.
  • ✓ big.LITTLE technology is used by both products.
  • ✓ Both products use Turbo Boost version 2.
  • ✓ The integrated GPU base clock speed is 300 MHz on both products.
  • ✓ The integrated GPU turbo clock speed is 1900 MHz on both products.
  • ✓ Both products support DirectX 12.
  • ✓ Both products support up to 4 displays.
  • ✓ OpenGL version 4.5 is supported by both products.
  • ✓ OpenCL version 3 is supported by both products.
  • ✓ Both products support a maximum RAM speed of 6400 MHz.
  • ✓ Both products use DDR5 memory.
  • ✓ Both products support 2 memory channels.
  • ✓ The maximum supported memory amount is 192 GB on both products.
  • ✓ ECC memory support is available on both products.
  • ✓ The NX bit security feature is present on both products.

Main Differences

  • • The CPU socket is BGA 2114 on the Intel Core Ultra 5 245HX and BGA 2049 on the Intel Core Ultra 7 265HX.
  • • The CPU speed is 6 x 3.1 & 8 x 2.6 GHz on the Intel Core Ultra 5 245HX and 8 x 2.6 & 12 x 2.3 GHz on the Intel Core Ultra 7 265HX.
  • • The CPU thread count is 14 on the Intel Core Ultra 5 245HX and 20 on the Intel Core Ultra 7 265HX.
  • • The turbo clock speed is 5.1 GHz on the Intel Core Ultra 5 245HX and 5.3 GHz on the Intel Core Ultra 7 265HX.
  • • The L2 cache is 26 MB on the Intel Core Ultra 5 245HX and 36 MB on the Intel Core Ultra 7 265HX.
  • • The clock multiplier is 31 on the Intel Core Ultra 5 245HX and 26 on the Intel Core Ultra 7 265HX.
  • • The PassMark multi-core result is 40059 on the Intel Core Ultra 5 245HX and 49826 on the Intel Core Ultra 7 265HX.
  • • The PassMark single-core result is 4530 on the Intel Core Ultra 5 245HX and 4531 on the Intel Core Ultra 7 265HX.
Specs Comparison
Intel Core Ultra 5 245HX

Intel Core Ultra 5 245HX

Intel Core Ultra 7 265HX

Intel Core Ultra 7 265HX

General info:
Type Laptop Laptop
CPU socket BGA 2114 BGA 2049
Has integrated graphics ✓ ✓
release date January 2025 January 2025
Thermal Design Power (TDP) 55W 55W
semiconductor size 3 nm 3 nm
CPU temperature 105 °C 105 °C
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓

At the platform level, the Intel Core Ultra 5 245HX and Core Ultra 7 265HX share a remarkably similar foundation. Both are laptop-class processors built on a 3 nm semiconductor process, operate within the same 55W TDP envelope, and top out at the same 105 °C junction temperature. They also share integrated graphics, PCIe 5.0 support, and full 64-bit compatibility — meaning neither chip holds an advantage in platform modernity or thermal headroom.

The one concrete differentiator in this group is the CPU socket: the Ultra 5 245HX uses BGA 2114, while the Ultra 7 265HX uses BGA 2049. BGA (Ball Grid Array) sockets are soldered directly to the motherboard in both cases, so neither chip is user-upgradeable — but the different pin counts indicate these are distinct physical packages and are not interchangeable across platforms. This means laptop designs are purpose-built around one chip or the other, with no flexibility to swap between them.

For this general-info group, the two processors are effectively evenly matched on every meaningful shared specification. The socket difference is a design and compatibility detail rather than a performance or user-experience differentiator. Buyers should not expect any real-world distinction from these platform-level specs alone — the meaningful differences will emerge in core counts, clock speeds, and cache, not here.

Performance:
CPU speed 6 x 3.1 & 8 x 2.6 GHz 8 x 2.6 & 12 x 2.3 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 31 26
Turbo Boost version 2 2

The Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX exhibit several differences in their performance specifications. The Intel Core Ultra 5 245HX features a CPU speed of 6 x 3.1 GHz and 8 x 2.6 GHz, while the Intel Core Ultra 7 265HX has a CPU speed of 8 x 2.6 GHz and 12 x 2.3 GHz. This shows a difference in core configuration, with the 245HX having a higher clock speed on its first set of cores, and the 265HX having more cores in total (20 threads compared to the 245HX's 14 threads).

Both processors support an unlocked multiplier, meaning they can be overclocked for better performance. The turbo clock speed also differs slightly, with the 245HX reaching 5.1 GHz and the 265HX hitting 5.3 GHz, indicating a small advantage in maximum turbo performance for the latter. Both chips have a Turbo Boost version 2, allowing them to dynamically adjust clock speeds based on load.

In terms of cache, the 245HX has a 26 MB L2 cache, whereas the 265HX is equipped with a larger 36 MB L2 cache. Additionally, both processors utilize big.LITTLE technology, which helps optimize power efficiency by dynamically switching between performance and efficiency cores. Finally, the clock multiplier for the 245HX is set to 31, while the 265HX has a multiplier of 26.

Benchmarks:
PassMark result 40059 49826
PassMark result (single) 4530 4531

When comparing the benchmark results between the Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX, we can see that both processors perform similarly in certain areas, but there is a notable difference in overall performance. The Intel Core Ultra 5 245HX has a PassMark result of 40059, while the Intel Core Ultra 7 265HX achieves a higher PassMark result of 49826. This indicates a clear performance advantage for the 265HX in multi-threaded workloads.

In terms of single-thread performance, both processors are almost identical, with the 245HX achieving a result of 4530 and the 265HX scoring a marginally higher 4531. This very slight difference suggests that both processors deliver nearly equal performance in tasks that rely on single-threaded execution.

Overall, while both processors perform similarly in single-threaded tests, the Intel Core Ultra 7 265HX outperforms the 245HX in multi-threaded PassMark benchmarks, making it a stronger choice for demanding tasks that rely on multiple cores.

Integrated graphics:
GPU clock speed 300 MHz 300 MHz
GPU turbo 1900 MHz 1900 MHz
DirectX version DirectX 12 DirectX 12
supported displays 4 4
OpenGL version 4.5 4.5
OpenCL version 3 3

The integrated graphics specifications of the Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX are identical. Both processors feature a GPU clock speed of 300 MHz, with a turbo boost up to 1900 MHz. They also both support DirectX 12, OpenGL 4.5, and OpenCL 3. Additionally, each processor can support up to four displays, providing solid multi-display capability for both.

Given that the specs match perfectly across both products, there are no differences in the integrated graphics performance or features between the Intel Core Ultra 5 245HX and the Intel Core Ultra 7 265HX.

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 memory specifications for the Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX are identical. Both processors support a maximum RAM speed of 6400 MHz and are compatible with DDR5 memory. They also feature two memory channels, allowing for efficient data transfer between the CPU and RAM. The maximum supported memory amount for both processors is 192GB, providing ample capacity for memory-intensive tasks.

Furthermore, both processors support ECC (Error-Correcting Code) memory, which helps to detect and correct internal data corruption, ensuring system stability, especially in mission-critical environments.

With these identical memory specifications, there is no difference between the Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX in terms of memory capabilities.

Features:
instruction sets F16C, MMX, 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 245HX and Intel Core Ultra 7 265HX share many of the same features when it comes to instruction sets. Both processors support the instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, providing a wide range of capabilities for various computational tasks. This ensures compatibility with modern applications and efficient performance across a broad set of software.

Both processors also have the NX bit feature enabled, which is used to enhance system security by preventing the execution of malicious code in certain areas of memory. This feature is available in both the Intel Core Ultra 5 245HX and Intel Core Ultra 7 265HX, ensuring that both processors provide the same level of security support in this regard.

Overall, there are no differences in the instruction sets or security features between the Intel Core Ultra 5 245HX and the Intel Core Ultra 7 265HX, making their capabilities in this category identical.

Comparison Summary & Verdict

Summing up this comparison, the Intel Core Ultra 7 265HX holds a clear advantage in multi-threaded scenarios, offering 20 threads, a larger 36 MB L2 cache, a higher turbo clock of 5.3 GHz, and a substantially better PassMark multi-core score of 49826 versus 40059 — making it the natural choice for demanding tasks such as video editing, 3D rendering, and heavy multitasking. The Intel Core Ultra 5 245HX, however, is no slouch: it carries a higher clock multiplier of 31 and matches the 265HX almost identically in single-core performance, with PassMark single-core scores of 4530 and 4531 respectively. Both chips are built on the same 3 nm process, run at the same 55W TDP, and share identical integrated graphics and memory capabilities. Users with everyday or lightly parallel workloads will find the 245HX more than sufficient, while professionals who push their machines to the limit will benefit meaningfully from the 265HX upgrade.

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

Choose the Intel Core Ultra 5 245HX if you primarily run single-threaded or lightly parallel workloads and want a capable mobile processor with a high clock multiplier and near-identical single-core performance to its bigger sibling.

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

Choose the Intel Core Ultra 7 265HX if you need maximum multi-threaded performance, with 20 threads, a 36 MB L2 cache, a higher 5.3 GHz turbo clock, and significantly stronger multi-core benchmark results for demanding professional workloads.