TurboVS
AMD Ryzen 9 270
Intel Core Ultra 7 255H

AMD Ryzen 9 270 Intel Core Ultra 7 255H

Overview

Welcome to our in-depth comparison of the AMD Ryzen 9 270 and the Intel Core Ultra 7 255H, two powerful laptop processors vying for dominance in the mobile computing space. In this head-to-head, we examine their key battlegrounds, including raw multi-core and single-core performance, integrated graphics capabilities, memory support, and platform flexibility to help you decide which chip best fits your needs.

Common Features

  • ✓ Both processors feature integrated graphics.
  • ✓ Both processors support 64-bit computing.
  • ✓ Both processors have 16 CPU threads.
  • ✓ Neither processor has an unlocked multiplier.
  • ✓ Both support up to 4 displays via integrated graphics.
  • ✓ Both integrated graphics solutions support OpenGL version 4.6.
  • ✓ Both integrated graphics solutions have 32 render output units (ROPs).
  • ✓ Both processors use DDR5 memory.
  • ✓ Both processors have 2 memory channels.
  • ✓ ECC memory is not supported on either processor.
  • ✓ Both processors share the same instruction sets: MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2.
  • ✓ Both processors support the NX bit security feature.

Main Differences

  • • The AMD Ryzen 9 270 is available for both Laptop and Desktop platforms, while the Intel Core Ultra 7 255H is available for Laptop only.
  • • Thermal Design Power (TDP) is 45W on the AMD Ryzen 9 270 and 28W on the Intel Core Ultra 7 255H.
  • • The semiconductor size is 4 nm on the AMD Ryzen 9 270 and 3 nm on the Intel Core Ultra 7 255H.
  • • The maximum CPU temperature is 100°C on the AMD Ryzen 9 270 and 110°C on the Intel Core Ultra 7 255H.
  • • The PCI Express version is 4 on the AMD Ryzen 9 270 and 5 on the Intel Core Ultra 7 255H.
  • • CPU speed is 8 cores at 4 GHz on the AMD Ryzen 9 270 and a hybrid 6 cores at 2 GHz plus 8 cores at 1.5 GHz on the Intel Core Ultra 7 255H.
  • • Turbo clock speed is 5.2 GHz on the AMD Ryzen 9 270 and 5.1 GHz on the Intel Core Ultra 7 255H.
  • • L3 cache is 16 MB on the AMD Ryzen 9 270 and 24 MB on the Intel Core Ultra 7 255H.
  • • big.LITTLE hybrid core technology is used by the Intel Core Ultra 7 255H but not by the AMD Ryzen 9 270.
  • • The clock multiplier is 40 on the AMD Ryzen 9 270 and 20 on the Intel Core Ultra 7 255H.
  • • The PassMark multi-core result is 31104 on the AMD Ryzen 9 270 and 30756 on the Intel Core Ultra 7 255H.
  • • The PassMark single-core result is 3970 on the AMD Ryzen 9 270 and 4373 on the Intel Core Ultra 7 255H.
  • • The integrated GPU base clock speed is 800 MHz on the AMD Ryzen 9 270 and 300 MHz on the Intel Core Ultra 7 255H.
  • • The integrated GPU is the Radeon 780M on the AMD Ryzen 9 270 and the Arc 140T on the Intel Core Ultra 7 255H.
  • • The integrated GPU turbo clock speed is 2800 MHz on the AMD Ryzen 9 270 and 2250 MHz on the Intel Core Ultra 7 255H.
  • • The integrated GPU supports DirectX 12 on the AMD Ryzen 9 270 and DirectX 12 Ultimate on the Intel Core Ultra 7 255H.
  • • The integrated GPU supports OpenCL version 2.1 on the AMD Ryzen 9 270 and OpenCL version 3 on the Intel Core Ultra 7 255H.
  • • The integrated GPU has 48 texture mapping units (TMUs) on the AMD Ryzen 9 270 and 64 on the Intel Core Ultra 7 255H.
  • • The integrated GPU has 768 shading units on the AMD Ryzen 9 270 and 1024 on the Intel Core Ultra 7 255H.
  • • Maximum RAM speed is 7500 MHz on the AMD Ryzen 9 270 and 8400 MHz on the Intel Core Ultra 7 255H.
  • • Maximum memory capacity is 256 GB on the AMD Ryzen 9 270 and 128 GB on the Intel Core Ultra 7 255H.
  • • Multithreading is supported on the AMD Ryzen 9 270 but not available on the Intel Core Ultra 7 255H.
Specs Comparison
AMD Ryzen 9 270

AMD Ryzen 9 270

Intel Core Ultra 7 255H

Intel Core Ultra 7 255H

General info:
Type Laptop, Desktop Laptop
Has integrated graphics ✓ ✓
release date January 2025 January 2025
Thermal Design Power (TDP) 45W 28W
semiconductor size 4 nm 3 nm
CPU temperature 100 °C 110 °C
PCI Express (PCIe) version 4 5
Supports 64-bit ✓ ✓

Both the AMD Ryzen 9 270 and the Intel Core Ultra 7 255H include integrated graphics and full 64-bit support, making them broadly capable for modern workloads. The more meaningful distinctions lie in their design philosophies and deployment targets. The Ryzen 9 270 is designed for both laptop and desktop platforms, giving it wider versatility, while the Core Ultra 7 255H is a laptop-only chip — a deliberate focus that shapes nearly every other spec in this group.

On power and process, the two chips diverge clearly. The Core Ultra 7 255H is built on a 3 nm process versus the Ryzen 9 270's 4 nm, giving Intel a slight silicon efficiency edge. However, the Ryzen 9 270 carries a 45W TDP compared to the Core Ultra 7's 28W — meaning AMD draws significantly more power by design, which is consistent with its dual desktop/laptop positioning and suggests a leaning toward raw performance over battery conservation. In a laptop context specifically, this 17W difference is substantial and would translate to notably shorter battery life and greater thermal load under sustained workloads.

The Core Ultra 7 255H also edges ahead with PCIe 5.0 support versus the Ryzen 9 270's PCIe 4.0, enabling faster bandwidth to next-generation SSDs and GPUs — a meaningful future-proofing advantage. The Core Ultra 7 also has a slightly higher rated CPU temperature ceiling of 110 °C versus 100 °C, suggesting it is tuned to sustain higher thermal loads before throttling. Overall, for laptop use specifically, the Core Ultra 7 255H holds a clear edge in efficiency and connectivity standards; the Ryzen 9 270's advantage lies in its platform flexibility and higher power envelope, which may benefit desktop or high-performance laptop configurations where thermal and power constraints are less restrictive.

Performance:
CPU speed 8 x 4 GHz 6 x 2 & 8 x 1.5 GHz
CPU threads 16 threads 16 threads
turbo clock speed 5.2GHz 5.1GHz
Has an unlocked multiplier ✕ ✕
L3 cache 16 MB 24 MB
Uses big.LITTLE technology ✕ ✓
clock multiplier 40 20

The AMD Ryzen 9 270 has a CPU speed of 8 x 4 GHz, offering a total of 8 cores running at 4 GHz each. In contrast, the Intel Core Ultra 7 255H has a hybrid configuration with 6 cores running at 2 GHz and 8 cores running at 1.5 GHz, which results in a more varied performance profile. Both processors have 16 threads, indicating similar multi-threading capabilities. When it comes to turbo clock speed, the Ryzen 9 270 can boost up to 5.2 GHz, slightly surpassing the Intel Core Ultra 7 255H's turbo boost of 5.1 GHz.

Neither processor has an unlocked multiplier, meaning both are not intended for overclocking. The L3 cache of the Ryzen 9 270 is 16 MB, whereas the Intel Core Ultra 7 255H offers a larger 24 MB L3 cache, which could help with performance in data-intensive tasks.

One distinct feature of the Intel Core Ultra 7 255H is its use of big.LITTLE technology, a system that combines high-performance cores with energy-efficient ones, while the Ryzen 9 270 does not support this technology. Lastly, the clock multiplier for the Ryzen 9 270 is set at 40, compared to 20 for the Intel Core Ultra 7 255H, reflecting the difference in their base clock speeds and architecture.

Benchmarks:
PassMark result 31104 30756
PassMark result (single) 3970 4373

The AMD Ryzen 9 270 has a PassMark result of 31104, which is slightly higher than the Intel Core Ultra 7 255H's result of 30756. This indicates that the Ryzen 9 270 may have a marginally better overall performance in multi-threaded tasks. However, when it comes to single-core performance, the Intel Core Ultra 7 255H has a higher score of 4373 compared to the Ryzen 9 270's score of 3970, suggesting the Intel processor performs better in tasks that rely on single-threaded execution.

Both processors show competitive results in their respective areas, with the Ryzen 9 270 excelling in multi-core workloads and the Intel Core Ultra 7 255H leading in single-core tasks. The differences are not vast, but each processor shines in different performance categories based on the benchmarks.

Integrated graphics:
GPU clock speed 800 MHz 300 MHz
GPU name Radeon 780M Arc 140T
GPU turbo 2800 MHz 2250 MHz
DirectX version DirectX 12 DirectX 12 Ultimate
supported displays 4 4
OpenGL version 4.6 4.6
OpenCL version 2.1 3
texture mapping units (TMUs) 48 64
render output units (ROPs) 32 32
shading units 768 1024

The AMD Ryzen 9 270 features the Radeon 780M integrated GPU with a base GPU clock speed of 800 MHz and a turbo boost up to 2800 MHz. In contrast, the Intel Core Ultra 7 255H has the Arc 140T GPU, which operates at a lower base GPU clock speed of 300 MHz, but can turbo up to 2250 MHz. Both GPUs support DirectX 12, though the Intel Core Ultra 7 255H supports DirectX 12 Ultimate, which includes additional features like Ray Tracing support, while the Ryzen 9 270 is limited to DirectX 12.

Both processors support up to 4 displays, have OpenGL version 4.6, and OpenCL support, though the Ryzen 9 270 supports OpenCL version 2.1, while the Intel Core Ultra 7 255H supports the more advanced OpenCL version 3.

When comparing the GPU architecture, the Intel Arc 140T has 64 texture mapping units (TMUs) and 1024 shading units, whereas the Radeon 780M has fewer TMUs at 48, but the same number of render output units (ROPs) at 32. This indicates the Intel GPU may offer more processing power for certain graphical tasks, with a higher count of TMUs and shading units.

Memory:
RAM speed (max) 7500 MHz 8400 MHz
DDR memory version 5 5
memory channels 2 2
maximum memory amount 256GB 128GB
Supports ECC memory ✕ ✕

The AMD Ryzen 9 270 supports a maximum RAM speed of 7500 MHz, while the Intel Core Ultra 7 255H supports a slightly higher RAM speed of 8400 MHz. Both processors use DDR5 memory and feature 2 memory channels, ensuring similar memory bandwidth capabilities. However, the Ryzen 9 270 can handle a larger maximum memory capacity of 256GB, compared to the Intel Core Ultra 7 255H's 128GB limit.

Neither processor supports ECC (Error Correcting Code) memory, so both are designed primarily for consumer applications rather than server or high-reliability workloads.

In summary, the Ryzen 9 270 offers a higher maximum memory capacity, while the Intel Core Ultra 7 255H supports faster RAM speeds, although both processors use the same DDR5 memory and share the same number of memory channels.

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
uses multithreading ✓ ✕
Has NX bit ✓ ✓

Both the AMD Ryzen 9 270 and the Intel Core Ultra 7 255H support the same set of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, providing compatibility with a wide range of software and performance optimizations. However, the Ryzen 9 270 supports multithreading, enabling it to run more tasks simultaneously, whereas the Intel Core Ultra 7 255H does not use multithreading.

Both processors feature the NX bit, which helps protect against certain types of malware by preventing the execution of code from non-executable memory regions.

In summary, the Ryzen 9 270 offers multithreading support, which the Intel Core Ultra 7 255H lacks, though both processors have the same instruction set support and the NX bit feature.

Comparison Summary & Verdict

After analyzing both processors across every major specification category, a clear picture emerges for each product's ideal audience. The AMD Ryzen 9 270 stands out with its higher TDP of 45W, greater maximum memory support of 256 GB, desktop platform availability, and a stronger integrated GPU clock speed of 2800 MHz turbo, making it the better choice for power users who demand raw sustained performance and flexibility. The Intel Core Ultra 7 255H, on the other hand, excels in single-core performance with a higher PassMark single score of 4373, a more advanced PCIe 5.0 interface, superior integrated graphics with 1024 shading units and DirectX 12 Ultimate support, faster RAM speeds up to 8400 MHz, and a lower 28W TDP suited to thinner, more efficient laptop designs. Both chips share 16 threads and DDR5 dual-channel memory support, making either a capable foundation for modern workloads.

AMD Ryzen 9 270
Buy AMD Ryzen 9 270 if...

Buy the AMD Ryzen 9 270 if you need desktop or laptop platform flexibility, higher maximum memory capacity up to 256 GB, and stronger sustained multi-core performance with a more powerful integrated GPU turbo clock.

Intel Core Ultra 7 255H
Buy Intel Core Ultra 7 255H if...

Buy the Intel Core Ultra 7 255H if you prioritize better single-core performance, a more power-efficient 28W design for thin laptops, next-generation PCIe 5.0 support, and a more capable integrated GPU with DirectX 12 Ultimate and higher shading unit counts.