AMD Instinct MI355X vs Intel Arc A530M Comparison

AMD Instinct MI355X is a 3 nm, 185,000 million transistor accelerator built on the CDNA 4.0 architecture, featuring 16,384 shading units and 288 GB of HBM3e memory. Intel Arc A530M is a 6 nm, 11,500 million transistor mobile GPU built on the Xe-HPG architecture, featuring 1,536 shading units and 8 GB of GDDR6 memory. The two products target entirely different segments, one being a server-class OAM module and the other a mobile integrated graphics processor, but the recorded data still allows for a direct comparison of their technical specifications and measured performance.

Head-to-Head Benchmarks

The database contains benchmark scores only for the Intel Arc A530M, as the AMD Instinct MI355X has no recorded benchmark entries and an average benchmark score of 0. The Intel Arc A530M achieves a Geekbench OpenCL score of 49,735 and a Geekbench Vulkan score of 43,492, giving it an average benchmark score of 46,614 across these two tests.

The Intel Arc A530M sits at the 85th percentile among all GPUs in the database, a strong position that places it ahead of most recorded graphics processors. Its nearest rivals in the database are all AMD and NVIDIA mobile or workstation products. The AMD Radeon RX 5600M scores 46,601, which is 0 percent different from the Arc A530M, making them statistically identical in average performance. The AMD Radeon RX 6550M scores 46,702, putting the Arc A530M 0.2 percent behind this rival. The NVIDIA RTX A2000 scores 46,043, with the Arc A530M leading it by 1.2 percent. The NVIDIA RTX 5880 Ada Generation scores 45,972, and the Arc A530M leads this part by 1.4 percent.

These delta percentages reveal that the Arc A530M is not a performance outlier in either direction when compared to its closest competitors. The differences are all within 1.4 percent, indicating that the Arc A530M delivers performance that is essentially on par with the AMD RX 5600M and RX 6550M, while holding a slight advantage over the NVIDIA RTX A2000 and RTX 5880 Ada Generation.

The AMD Instinct MI355X has no benchmark data, so no direct head-to-head comparison can be made based on measured scores. The data does show that the MI355X has a theoretical FP32 compute rate of 78.64 TFLOPS, while the Arc A530M has an FP32 rate of 3.994 TFLOPS. This indicates that the MI355X is designed for a vastly higher compute workload, but the absence of benchmark scores means the database cannot confirm real-world performance parity or superiority.

Where Each One Wins

Based on the recorded data, the Intel Arc A530M wins in every measurable performance category because it has benchmark scores and the AMD Instinct MI355X does not. The Arc A530M has an average benchmark score of 46,614 and a percentile rank of 85, while the MI355X has an average score of 0 and a percentile rank of 50.

The Arc A530M is a mobile GPU with a 65 W TDP, making it suitable for portable devices where power consumption is a limiting factor. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, which means it can run modern graphics APIs and games with advanced features like ray tracing, as indicated by its 12 ray tracing cores. Its display outputs are listed as "Portable Device Dependent," confirming its role in laptops and similar devices.

The AMD Instinct MI355X wins in raw compute specifications. Its 78.64 TFLOPS FP32 performance is nearly 20 times higher than the Arc A530M's 3.994 TFLOPS. It has 288 GB of HBM3e memory compared to 8 GB of GDDR6, and its memory bandwidth of 8.19 TB/s dwarfs the Arc A530M's 224.0 GB/s. The MI355X also uses a PCIe 5.0 x16 interface, while the Arc A530M uses PCIe 4.0 x8. These figures show that the MI355X is built for high-performance computing, AI workloads, and large data sets, whereas the Arc A530M is built for graphics rendering and gaming on mobile platforms.

The MI355X has no display outputs and no supported graphics APIs (DirectX, OpenGL, and Vulkan are all listed as N/A), which confirms it is not intended for interactive graphics or consumer gaming. Its strength lies in compute density, not in rendering or display output.

Architecture Differences

The AMD Instinct MI355X uses the CDNA 4.0 architecture, which is a compute-optimized design from AMD's Instinct product line. The chip is named MI350 256CU, indicating 256 compute units. It is manufactured on a 3 nm process at TSMC, with 185,000 million transistors packed into a die size of 2380 mm². This yields a transistor density of 77.7 million transistors per square millimeter.

The Intel Arc A530M uses the Xe-HPG architecture, specifically the DG2-256 chip, which is part of Intel's Alchemist generation for Arc 5 Mobile. It is manufactured on a 6 nm process at TSMC, with 11,500 million transistors on a die size of 269 mm². The transistor density is 42.8 million transistors per square millimeter.

The MI355X has 16,384 shading units and 1,024 texture mapping units, but it has 0 ROPs and a pixel rate of 0 MPixel/s. This means it cannot output pixels to a display. It also has no ray tracing cores and no tensor cores listed. The Arc A530M has 1,536 shading units, 96 TMUs, 48 ROPs, and 12 ray tracing cores. Its pixel rate is 62.40 GPixel/s, and its texture rate is 124.8 GTexel/s. The MI355X has a texture rate of 2,457.6 GTexel/s, which is much higher than the Arc A530M.

The FP16 compute rates illustrate different design philosophies. The MI355X has an FP16 rate of 78.64 TFLOPS with a 1:1 ratio to FP32, meaning it performs FP16 and FP32 at the same rate, which is common for compute accelerators that prioritize precision consistency. The Arc A530M has an FP16 rate of 7.987 TFLOPS with a 2:1 ratio, meaning it performs FP16 at twice the rate of FP32, a design choice that speeds up workloads tolerant of lower precision.

The MI355X memory clock is listed as 2000 MHz with 8 Gbps effective, while the Arc A530M has a memory clock of 1750 MHz with 14 Gbps effective. The MI355X uses HBM3e memory with a 8192-bit bus, while the Arc A530M uses GDDR6 with a 128-bit bus.

Specification Differences

The two products differ in nearly every specification category. The AMD Instinct MI355X has a base clock of 1000 MHz and a boost clock of 2400 MHz. The Intel Arc A530M has a base clock of 900 MHz and a boost clock of 1300 MHz.

Memory capacity differs significantly: the MI355X has 288 GB of HBM3e, while the Arc A530M has 8 GB of GDDR6. The memory bus width is 8192 bits for the MI355X and 128 bits for the Arc A530M. Memory bandwidth is 8.19 TB/s versus 224.0 GB/s.

The MI355X has 16,384 shading units, 1,024 TMUs, and 0 ROPs. The Arc A530M has 1,536 shading units, 96 TMUs, and 48 ROPs. The MI355X has no ray tracing cores, while the Arc A530M has 12. Both lack dedicated tensor cores in the recorded data.

Power consumption differs by an order of magnitude. The MI355X has a TDP of 1400 W and a suggested PSU of 1800 W. The Arc A530M has a TDP of 65 W and no suggested PSU listed.

The MI355X uses a PCIe 5.0 x16 bus interface, while the Arc A530M uses PCIe 4.0 x8. The MI355X has no display outputs, while the Arc A530M has "Portable Device Dependent" outputs. The MI355X has no supported graphics APIs, while the Arc A530M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

The MI355X is a 102 mm by 165 mm OAM Module, while the Arc A530M is listed as an IGP with no dimensions recorded. The MI355X has no power connectors listed, and the Arc A530M also has no power connectors listed.

The MI355X was released on 2025-06-11, and the Arc A530M was released on 2023-07-31. The MI355X has no production status listed, while the Arc A530M is marked as "Active." The MI355X predecessor is Radeon Instinct, while the Arc A530M has no predecessor listed.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The AMD Instinct MI355X has an FP32 rate of 78.64 TFLOPS, while the Intel Arc A530M has an FP32 rate of 3.994 TFLOPS. The MI355X is approximately 19.7 times faster in this metric.

Q: What is the average benchmark score for each GPU?

A: The Intel Arc A530M has an average benchmark score of 46,614, based on Geekbench OpenCL and Vulkan tests. The AMD Instinct MI355X has an average benchmark score of 0, as no benchmarks are recorded for it.

Q: How does the Arc A530M compare to its nearest rivals?

A: The Arc A530M is 0 percent different from the AMD Radeon RX 5600M, 0.2 percent behind the AMD Radeon RX 6550M, 1.2 percent ahead of the NVIDIA RTX A2000, and 1.4 percent ahead of the NVIDIA RTX 5880 Ada Generation.

Q: What memory types and capacities do the two GPUs use?

A: The AMD Instinct MI355X uses 288 GB of HBM3e memory with a 8192-bit bus and 8.19 TB/s bandwidth. The Intel Arc A530M uses 8 GB of GDDR6 memory with a 128-bit bus and 224.0 GB/s bandwidth.

Q: Which GPU supports ray tracing and modern graphics APIs?

A: The Intel Arc A530M supports ray tracing with 12 ray tracing cores and has DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4 support. The AMD Instinct MI355X has no ray tracing cores and lists N/A for DirectX, OpenGL, and Vulkan.

Q: What are the power requirements for each GPU?

A: The AMD Instinct MI355X has a TDP of 1400 W and a suggested PSU of 1800 W. The Intel Arc A530M has a TDP of 65 W and no suggested PSU listed.

The Verdict

The data shows two GPUs designed for completely different purposes. The AMD Instinct MI355X is a compute accelerator with massive memory capacity, extreme bandwidth, and high FP32 throughput. Its 288 GB of HBM3e memory and 8.19 TB/s bandwidth are suited for large-scale data processing, AI training, and scientific computing workloads that require holding enormous datasets on-chip. Its 78.64 TFLOPS FP32 rate and 1:1 FP16 ratio indicate a design focused on precision and consistency rather than graphics rendering. The lack of display outputs and graphics API support confirms it is not a consumer graphics card.

The Intel Arc A530M is a mobile GPU with a 65 W TDP, designed to fit in portable devices. Its 8 GB of GDDR6 memory and 224.0 GB/s bandwidth are modest by comparison, but it supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, along with 12 ray tracing cores. Its benchmark scores place it at the 85th percentile among all GPUs, and its nearest rivals are all within 1.4 percent of its performance, indicating it delivers competitive mobile graphics performance.

For users selecting a GPU for gaming or graphics workloads on a laptop, the Intel Arc A530M is the only option with measured performance data and API support. For users building a compute server for AI or HPC tasks, the AMD Instinct MI355X offers specifications that far exceed the Arc A530M in memory capacity, bandwidth, and compute throughput, but its lack of benchmark scores means the database cannot validate real-world performance. The choice depends on the workload: the Arc A530M for mobile graphics and rendering, the MI355X for high-performance compute where its massive memory and compute resources are required.