TurboVS
Intel Core Ultra 5 225
Intel Core Ultra 7 265

Intel Core Ultra 5 225 Intel Core Ultra 7 265

Overview

Welcome to our detailed specification comparison between the Intel Core Ultra 5 225 and the Intel Core Ultra 7 265. Both processors share the same LGA 1851 socket, Z890 chipset, and 65W TDP, but they diverge significantly when it comes to core count, cache size, and multi-threaded performance. In this comparison, we examine their clock speeds, benchmark scores, integrated graphics capabilities, and memory support to help you determine which CPU best suits your needs.

Common Features

  • ✓ Both processors are designed for desktop use.
  • ✓ Both CPUs use the LGA 1851 socket.
  • ✓ Both are compatible with the Z890 chipset.
  • ✓ Integrated graphics are available on both processors.
  • ✓ Both have a Thermal Design Power (TDP) of 65W.
  • ✓ Both are manufactured using a 3 nm semiconductor process.
  • ✓ Both support a maximum CPU temperature of 105 °C.
  • ✓ Both support PCI Express (PCIe) version 5.
  • ✓ Neither processor has an unlocked multiplier.
  • ✓ Both processors use big.LITTLE technology.
  • ✓ Both feature Turbo Boost version 2.
  • ✓ Both integrated GPUs have a base clock speed of 300 MHz.
  • ✓ Both support DirectX 12.
  • ✓ Both support up to 4 displays simultaneously.
  • ✓ Both support OpenGL version 4.5.
  • ✓ Both support OpenCL version 3.
  • ✓ Both support a maximum RAM speed of 6400 MHz.
  • ✓ Both use DDR5 memory.
  • ✓ Both feature 2 memory channels.
  • ✓ Both support a maximum memory amount of 192 GB.
  • ✓ Both processors support the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ The NX bit security feature is present on both processors.

Main Differences

  • • CPU speed is 6 x 3.3 & 4 x 2.7 GHz on Intel Core Ultra 5 225 and 8 x 2.4 & 12 x 1.8 GHz on Intel Core Ultra 7 265.
  • • CPU threads total 10 on Intel Core Ultra 5 225 and 20 on Intel Core Ultra 7 265.
  • • Turbo clock speed reaches 4.9 GHz on Intel Core Ultra 5 225 and 5.3 GHz on Intel Core Ultra 7 265.
  • • L2 cache is 22 MB on Intel Core Ultra 5 225 and 36 MB on Intel Core Ultra 7 265.
  • • The clock multiplier is 33 on Intel Core Ultra 5 225 and 24 on Intel Core Ultra 7 265.
  • • PassMark multi-core result is 31044 on Intel Core Ultra 5 225 and 48917 on Intel Core Ultra 7 265.
  • • PassMark single-core result is 4471 on Intel Core Ultra 5 225 and 4633 on Intel Core Ultra 7 265.
  • • GPU turbo clock speed is 1800 MHz on Intel Core Ultra 5 225 and 1950 MHz on Intel Core Ultra 7 265.
  • • ECC memory support is present on Intel Core Ultra 7 265 but not available on Intel Core Ultra 5 225.
Specs Comparison
Intel Core Ultra 5 225

Intel Core Ultra 5 225

Intel Core Ultra 7 265

Intel Core Ultra 7 265

General info:
Type Desktop Desktop
CPU socket LGA 1851 LGA 1851
chipset Z890 Z890
Has integrated graphics ✓ ✓
release date January 2025 January 2025
Thermal Design Power (TDP) 65W 65W
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 Core Ultra 5 225 and Core Ultra 7 265 are built on an identical foundation: both are LGA 1851 desktop processors targeting Z890 chipset motherboards, fabbed on a 3 nm process node, and capped at the same 65W TDP and 105 °C junction temperature. This means they slot into the same boards, draw the same baseline power envelope, and are governed by the same thermal limits — making them direct platform-compatible alternatives rather than chips requiring different infrastructure.

The shared PCIe 5.0 support is worth highlighting: both processors offer the bandwidth headroom needed for next-generation SSDs and discrete GPUs without one having an edge over the other. Similarly, integrated graphics and full 64-bit support are present on both, so neither has a platform-level feature advantage for workstation or general desktop use cases.

On general info alone, these two CPUs are in a complete tie — every single spec in this group is identical. The differentiators between the Ultra 5 225 and Ultra 7 265 will lie entirely in core counts, clock speeds, cache, and performance metrics rather than in platform or power design. Buyers should look beyond this group to determine which chip suits their workload.

Performance:
CPU speed 6 x 3.3 & 4 x 2.7 GHz 8 x 2.4 & 12 x 1.8 GHz
CPU threads 10 threads 20 threads
turbo clock speed 4.9GHz 5.3GHz
Has an unlocked multiplier ✕ ✕
L2 cache 22 MB 36 MB
Uses big.LITTLE technology ✓ ✓
clock multiplier 33 24
Turbo Boost version 2 2

The Intel Core Ultra 5 225 and Intel Core Ultra 7 265 differ significantly in their performance specifications. The Ultra 5 225 has a CPU speed of 6 x 3.3 GHz for its performance cores and 4 x 2.7 GHz for the efficiency cores, while the Ultra 7 265 features 8 x 2.4 GHz for its performance cores and 12 x 1.8 GHz for its efficiency cores. This means the Ultra 5 225 has fewer cores with higher clock speeds, while the Ultra 7 265 has more cores with slightly lower speeds.

In terms of CPU threads, the Ultra 5 225 offers 10 threads, whereas the Ultra 7 265 supports 20 threads, reflecting the difference in core configuration. Both products support Turbo Boost version 2, but the Ultra 7 265 has a higher turbo clock speed of 5.3 GHz compared to the Ultra 5 225′s 4.9 GHz.

Regarding other specifications, both processors use big.LITTLE technology, have an L2 cache, and have the same clock multiplier design (33 for the Ultra 5 225 and 24 for the Ultra 7 265). The L2 cache size differs, with the Ultra 5 225 having 22 MB and the Ultra 7 265 having 36 MB. Additionally, both processors do not have an unlocked multiplier, indicating that overclocking is not supported.

Benchmarks:
PassMark result 31044 48917
PassMark result (single) 4471 4633

The Intel Core Ultra 5 225 and Intel Core Ultra 7 265 show a significant difference in benchmark results. The Ultra 5 225 achieves a PassMark result of 31044, whereas the Ultra 7 265 scores a much higher 48917. This indicates that the Ultra 7 265 performs notably better in overall performance benchmarks.

For single-threaded performance, the Ultra 5 225 achieves a result of 4471, while the Ultra 7 265 scores 4633. Though both processors perform similarly in single-threaded tasks, the Ultra 7 265 has a slight edge with a higher score.

In summary, the Intel Core Ultra 7 265 outperforms the Ultra 5 225 in both overall and single-threaded PassMark benchmarks.

Integrated graphics:
GPU clock speed 300 MHz 300 MHz
GPU turbo 1800 MHz 1950 MHz
DirectX version DirectX 12 DirectX 12
supported displays 4 4
OpenGL version 4.5 4.5
OpenCL version 3 3

The Intel Core Ultra 5 225 and Intel Core Ultra 7 265 have very similar integrated graphics specifications, but with a few key differences. Both processors feature a GPU clock speed of 300 MHz and support DirectX 12, OpenGL version 4.5, and OpenCL version 3. They also support up to 4 displays.

The main difference between the two lies in the GPU turbo speed. The Ultra 5 225 has a GPU turbo speed of 1800 MHz, while the Ultra 7 265 reaches a slightly higher GPU turbo speed of 1950 MHz. This gives the Ultra 7 265 a modest advantage in terms of GPU performance under turbo conditions.

Overall, the integrated graphics capabilities of both processors are quite similar, with the Ultra 7 265 offering a slightly higher GPU turbo speed than the Ultra 5 225.

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 5 225 and Intel Core Ultra 7 265 are nearly identical. Both processors support a maximum RAM speed of 6400 MHz, DDR memory version 5, and have 2 memory channels. They also both support a maximum memory amount of 192GB.

The key difference between the two processors is in their support for ECC memory. The Ultra 5 225 does not support ECC memory, whereas the Ultra 7 265 does. This means the Ultra 7 265 can detect and correct memory errors, providing additional stability in certain computing environments.

In summary, while the memory configurations are very similar for both processors, the Ultra 7 265 has the advantage of supporting ECC memory.

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 5 225 and Intel Core Ultra 7 265 share identical features in this group. Both processors support the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. They also both have the NX bit, which provides an additional layer of security by preventing the execution of code from non-executable memory regions.

As there are no differences in the features of these two processors, the instruction sets and NX bit are exactly the same across both models.

In summary, the Intel Core Ultra 5 225 and Intel Core Ultra 7 265 are identical in terms of features.

Comparison Summary & Verdict

After examining every specification, a clear picture emerges for each processor. The Intel Core Ultra 5 225 is a compelling choice for users who prioritize a higher base clock multiplier and sufficient single-core responsiveness, with a respectable turbo clock of 4.9 GHz and a PassMark single-core score of 4471. It delivers solid everyday desktop performance within a familiar power envelope. The Intel Core Ultra 7 265, on the other hand, pulls decisively ahead in demanding workloads thanks to its 20 threads, 36 MB L2 cache, and a multi-core PassMark score of 48917 — nearly 58% higher than the Ultra 5 225. Its 5.3 GHz turbo speed, faster GPU turbo at 1950 MHz, and exclusive ECC memory support make it the better fit for content creators, developers, and power users who need headroom for intensive, parallel tasks.

Intel Core Ultra 5 225
Buy Intel Core Ultra 5 225 if...

Choose the Intel Core Ultra 5 225 if you need a capable everyday desktop processor with a higher clock multiplier and solid single-core performance at a more accessible tier.

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

Choose the Intel Core Ultra 7 265 if you run multi-threaded workloads, need ECC memory support, or want significantly higher multi-core benchmark performance and a faster GPU turbo clock.