TurboVS
AMD Ryzen 9 9850HX
Intel Core Ultra 9 275HX

AMD Ryzen 9 9850HX Intel Core Ultra 9 275HX

Overview

Welcome to our in-depth specification comparison between the AMD Ryzen 9 9850HX and the Intel Core Ultra 9 275HX, two high-performance mobile processors targeting demanding users and enthusiasts. Both chips share a 55W TDP and 24 threads, yet they diverge sharply in areas like cache architecture, memory support, and integrated graphics capability. Read on to discover which processor aligns best with your workload and platform needs.

Common Features

  • ✓ Both processors include integrated graphics.
  • ✓ Both have a Thermal Design Power (TDP) of 55W.
  • ✓ Both support PCI Express (PCIe) version 5.
  • ✓ Both processors support 64-bit computing.
  • ✓ Both have 24 CPU threads.
  • ✓ Both feature an unlocked multiplier.
  • ✓ Both support DirectX 12 on their integrated graphics.
  • ✓ Both integrated graphics units support up to 4 displays simultaneously.
  • ✓ Both use DDR5 memory.
  • ✓ Both have 2 memory channels.
  • ✓ ECC memory is not supported on either processor.
  • ✓ Both share 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

  • • The AMD Ryzen 9 9850HX is compatible with both laptop and desktop platforms, while the Intel Core Ultra 9 275HX is designed for laptops only.
  • • The semiconductor size is 4 nm on the AMD Ryzen 9 9850HX and 3 nm on the Intel Core Ultra 9 275HX.
  • • The maximum CPU temperature is 100 °C on the AMD Ryzen 9 9850HX and 105 °C on the Intel Core Ultra 9 275HX.
  • • The base CPU speed is 12 cores at 3 GHz on the AMD Ryzen 9 9850HX, and 8 cores at 2.7 GHz plus 16 cores at 2.1 GHz on the Intel Core Ultra 9 275HX.
  • • The turbo clock speed is 5.2 GHz on the AMD Ryzen 9 9850HX and 5.4 GHz on the Intel Core Ultra 9 275HX.
  • • The L2 cache is 12 MB on the AMD Ryzen 9 9850HX and 40 MB on the Intel Core Ultra 9 275HX.
  • • The L3 cache is 64 MB on the AMD Ryzen 9 9850HX and 36 MB on the Intel Core Ultra 9 275HX.
  • • big.LITTLE heterogeneous core technology is used on the Intel Core Ultra 9 275HX but not on the AMD Ryzen 9 9850HX.
  • • The clock multiplier is 30 on the AMD Ryzen 9 9850HX and 27 on the Intel Core Ultra 9 275HX.
  • • The integrated GPU base clock speed is 1500 MHz on the AMD Ryzen 9 9850HX and 300 MHz on the Intel Core Ultra 9 275HX.
  • • The integrated GPU turbo clock speed is 2200 MHz on the AMD Ryzen 9 9850HX and 1900 MHz on the Intel Core Ultra 9 275HX.
  • • The OpenGL version supported is 4.6 on the AMD Ryzen 9 9850HX and 4.5 on the Intel Core Ultra 9 275HX.
  • • The OpenCL version supported is 2 on the AMD Ryzen 9 9850HX and 3 on the Intel Core Ultra 9 275HX.
  • • The maximum RAM speed is 5600 MHz on the AMD Ryzen 9 9850HX and 6400 MHz on the Intel Core Ultra 9 275HX.
  • • The maximum memory capacity is 96 GB on the AMD Ryzen 9 9850HX and 192 GB on the Intel Core Ultra 9 275HX.
Specs Comparison
AMD Ryzen 9 9850HX

AMD Ryzen 9 9850HX

Intel Core Ultra 9 275HX

Intel Core Ultra 9 275HX

General info:
Type Laptop, Desktop Laptop
Has integrated graphics ✓ ✓
release date January 2025 January 2025
Thermal Design Power (TDP) 55W 55W
semiconductor size 4 nm 3 nm
CPU temperature 100 °C 105 °C
PCI Express (PCIe) version 5 5
Supports 64-bit ✓ ✓

At a high level, the AMD Ryzen 9 9850HX and the Intel Core Ultra 9 275HX share a surprisingly similar general profile: both carry a 55W TDP, support PCIe 5.0, include integrated graphics, and are fully 64-bit capable. These shared traits mean neither chip has an obvious platform-level advantage in terms of power envelope or connectivity bandwidth — a user building around either can expect comparable thermal budgets and future-ready storage and GPU bandwidth.

The meaningful differentiators emerge in manufacturing and thermal headroom. Intel's chip is built on a 3 nm process versus AMD's 4 nm, which in principle allows Intel to pack more transistors into the same die area or achieve better power efficiency at equivalent workloads. Counterbalancing this, Intel permits a higher maximum CPU temperature of 105 °C versus AMD's 100 °C — a 5-degree ceiling that gives the 275HX slightly more thermal runway before throttling kicks in, which can matter during sustained heavy workloads in thin chassis.

One notable distinction is platform flexibility: the Ryzen 9 9850HX is rated for both laptop and desktop use, whereas the Core Ultra 9 275HX is strictly a laptop part. This makes the AMD chip the only option if you need the same silicon in a small-form-factor desktop or workstation. Overall, Intel holds a narrow edge in manufacturing node and thermal ceiling, but AMD has the broader deployment flexibility — making the better choice highly dependent on the specific use case.

Performance:
CPU speed 12 x 3 GHz 8 x 2.7 & 16 x 2.1 GHz
CPU threads 24 threads 24 threads
turbo clock speed 5.2GHz 5.4GHz
Has an unlocked multiplier ✓ ✓
L2 cache 12 MB 40 MB
L3 cache 64 MB 36 MB
Uses big.LITTLE technology ✕ ✓
clock multiplier 30 27

The AMD Ryzen 9 9850HX and Intel Core Ultra 9 275HX have some differences in terms of performance-related specs. Both processors support 24 threads, allowing for efficient multitasking, but they differ in CPU speed. The Ryzen 9 9850HX runs at a base speed of 12 x 3 GHz, while the Intel Core Ultra 9 275HX has a more complex configuration with 8 cores running at 2.7 GHz and 16 cores at 2.1 GHz. This means the Intel processor has a lower base speed but utilizes more cores with different speeds.

When it comes to turbo clock speed, the Intel Core Ultra 9 275HX has a slightly higher turbo boost at 5.4 GHz, compared to the 5.2 GHz turbo speed of the Ryzen 9 9850HX. Both processors feature an unlocked multiplier, allowing for overclocking. The AMD chip has a clock multiplier of 30, while the Intel model has a lower multiplier of 27.

Cache sizes are another point of difference: the AMD Ryzen 9 9850HX comes with 12 MB of L2 cache and 64 MB of L3 cache, whereas the Intel Core Ultra 9 275HX has a significantly larger 40 MB of L2 cache but only 36 MB of L3 cache. Additionally, the Intel processor uses big.LITTLE technology, while the AMD processor does not.

Integrated graphics:
GPU clock speed 1500 MHz 300 MHz
GPU turbo 2200 MHz 1900 MHz
DirectX version DirectX 12 DirectX 12
supported displays 4 4
OpenGL version 4.6 4.5
OpenCL version 2 3

The AMD Ryzen 9 9850HX and Intel Core Ultra 9 275HX both feature integrated graphics, but there are notable differences in their performance specs. The GPU clock speed for the AMD processor is 1500 MHz, while the Intel processor's clock speed is lower at 300 MHz. However, the Intel Core Ultra 9 275HX has a turbo boost of 1900 MHz, while the AMD model reaches a higher turbo clock speed of 2200 MHz.

Both processors support DirectX 12, ensuring compatibility with modern games and applications. The number of supported displays is the same for both processors, with each supporting up to 4 displays. The AMD Ryzen 9 9850HX has an OpenGL version of 4.6, while the Intel Core Ultra 9 275HX supports OpenGL 4.5.

For OpenCL support, the AMD processor supports version 2, while the Intel processor supports version 3, indicating a difference in the available features and capabilities in GPU computing tasks.

Memory:
RAM speed (max) 5600 MHz 6400 MHz
DDR memory version 5 5
memory channels 2 2
maximum memory amount 96GB 192GB
Supports ECC memory ✕ ✕

The AMD Ryzen 9 9850HX and Intel Core Ultra 9 275HX have similar memory specs, though there are key differences. Both processors support DDR5 memory and have two memory channels. However, the maximum RAM speed for the AMD Ryzen 9 9850HX is 5600 MHz, while the Intel Core Ultra 9 275HX supports a higher maximum RAM speed of 6400 MHz.

In terms of maximum memory capacity, the AMD Ryzen 9 9850HX can handle up to 96 GB of RAM, while the Intel Core Ultra 9 275HX supports a significantly larger 192 GB of RAM, allowing for more memory-intensive tasks. Both processors do not support ECC memory, which is typically used for error correction in certain professional or server applications.

Overall, while both processors offer DDR5 memory support and dual-channel configuration, the Intel processor has a higher maximum RAM speed and larger memory capacity.

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 ✓ ✓

Both the AMD Ryzen 9 9850HX and Intel Core Ultra 9 275HX support the same instruction sets, which include MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. These instruction sets enhance the processors' ability to perform various computational tasks efficiently, especially for multimedia and cryptographic operations.

Additionally, both processors have the NX bit (No Execute bit), which is a security feature that helps prevent the execution of malicious code in certain memory regions, further enhancing system security.

Since both processors share identical instruction set support and security features, there are no differences in this group of specifications.

Comparison Summary & Verdict

After examining the full specification set, both processors emerge as strong contenders with clearly distinct strengths. The AMD Ryzen 9 9850HX stands out with its larger 64 MB L3 cache, faster integrated GPU clocks (up to 2200 MHz turbo), and broader platform flexibility covering both laptop and desktop form factors — making it an excellent pick for users who rely on integrated graphics performance or need a versatile chip across multiple build types. The Intel Core Ultra 9 275HX, on the other hand, leads in maximum memory capacity (192 GB), faster RAM support at 6400 MHz, a significantly larger 40 MB L2 cache, and a higher turbo clock of 5.4 GHz, making it the stronger choice for memory-intensive workloads and users who demand cutting-edge compute headroom in a laptop.

AMD Ryzen 9 9850HX
Buy AMD Ryzen 9 9850HX if...

Choose the AMD Ryzen 9 9850HX if you want stronger integrated graphics performance, a larger L3 cache, and the flexibility to use the processor in both laptop and desktop platforms.

Intel Core Ultra 9 275HX
Buy Intel Core Ultra 9 275HX if...

Choose the Intel Core Ultra 9 275HX if you need support for up to 192 GB of RAM, faster 6400 MHz memory speeds, and a larger L2 cache for memory-intensive laptop workloads.