Intel Core Ultra 9 275HX VS Intel Core Ultra 9 285HX

At a high level, the Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX are virtually identical in their general platform specifications. Both are laptop-class processors using the same BGA 2114 socket — a soldered form factor meaning neither is user-upgradeable, which is standard for high-performance mobile chips. They share the same 3 nm semiconductor process, 55W TDP, 105°C maximum temperature ceiling, PCIe 5.0 support, integrated graphics, and full 64-bit compatibility.

The practical implications of these shared traits are significant: the 55W TDP places both firmly in the enthusiast laptop tier, requiring robust cooling solutions but enabling desktop-adjacent performance. The 3 nm fabrication ensures strong power efficiency relative to their performance class, and PCIe 5.0 means both can leverage the fastest available NVMe storage and discrete GPU bandwidth currently on the market.

Based strictly on the general info specs provided, these two processors are in a complete tie — every single attribute in this category is identical. No advantage can be assigned to either chip from this data alone. Differentiators, if any, will only emerge in performance-oriented spec groups such as core counts, clock speeds, or cache.

The Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX share many performance-related features, with a few key differences in their clock speeds. Both processors offer 24 threads, enabling efficient multitasking and parallel processing. They also both feature an unlocked multiplier, allowing for potential overclocking. Additionally, both processors utilize big.LITTLE technology, balancing high-performance cores with energy-efficient cores for optimized performance and power consumption.

In terms of clock speeds, the Intel Core Ultra 9 275HX operates with a CPU speed of 8 cores at 2.7 GHz and 16 cores at 2.1 GHz, while the Intel Core Ultra 9 285HX runs slightly faster with 8 cores at 2.8 GHz and 16 cores at 2.1 GHz. This slight difference in base clock speed could result in marginally better performance for the 285HX in certain tasks.

Both processors are equipped with the same amount of cache memory, featuring 40 MB of L2 cache and 36 MB of L3 cache. Turbo clock speeds also differ slightly, with the 275HX reaching 5.4 GHz and the 285HX achieving 5.5 GHz. Both models support Turbo Boost version 2, which enhances performance during demanding workloads. Overall, the performance characteristics are very similar, with the 285HX having a slight edge in clock speeds.

The Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX both offer solid benchmark results, with the 285HX showing a clear performance advantage. The PassMark result for the 275HX is 56,426, while the 285HX achieves a higher score of 62,297, reflecting its stronger overall performance in multi-threaded tasks.

When it comes to single-threaded performance, the Intel Core Ultra 9 275HX scores 4,723, while the 285HX slightly outperforms it with a score of 4,784. This difference, though modest, indicates the 285HX has a slight edge in tasks that rely more on single-core performance.

Both processors demonstrate strong benchmark performance, but the 285HX is the more powerful option based on these results, with higher scores in both overall and single-threaded testing.

The Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX both feature integrated graphics with very similar specifications. Both processors have a GPU clock speed of 300 MHz, ensuring a consistent base level of graphics performance. They also both support DirectX 12, OpenGL 4.5, and OpenCL 3, providing compatibility with modern gaming and graphics applications.

The key difference between the two lies in the GPU turbo speed. The 275HX has a turbo speed of 1,900 MHz, while the 285HX slightly outperforms it with a turbo speed of 2,000 MHz. This difference could result in a slight improvement in graphics performance for the 285HX under peak load conditions.

Both processors support up to four displays, ensuring ample connectivity for multi-monitor setups. Overall, the integrated graphics of the two models are very similar, with the 285HX offering a minor advantage in GPU turbo speed.

The Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX share nearly identical memory specifications. Both processors support a maximum RAM speed of 6400 MHz, DDR5 memory version, and two memory channels, providing solid performance for memory-intensive tasks. They also both support up to 192 GB of maximum memory, ensuring ample capacity for large applications or multitasking scenarios.

The key difference between the two models lies in their support for Error-Correcting Code (ECC) memory. The 275HX does not support ECC memory, while the 285HX does. ECC memory helps detect and correct memory errors, which can be important for systems that require high reliability, such as workstations or servers.

Overall, the memory specifications of the two processors are nearly identical, with the main distinction being the 285HX's support for ECC memory, adding an extra layer of reliability for critical applications.

The Intel Core Ultra 9 275HX and Intel Core Ultra 9 285HX share identical features in this group. Both processors support the same set of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2. These instruction sets enable the processors to handle a variety of computational tasks efficiently, from basic operations to advanced encryption and multimedia processing.

Additionally, both models feature the NX bit, which helps protect against certain types of malware by preventing the execution of code in certain areas of memory. This feature is consistent across both processors.

Overall, the Intel Core Ultra 9 275HX and 285HX are identical in terms of their instruction sets and security features, offering the same level of capabilities in these areas.