AMD Instinct MI455X vs Intel Arc 130V Mobile Comparison

FAQ

Q: What are the architectural generations of the AMD Instinct MI455X and Intel Arc 130V Mobile?

A: The AMD Instinct MI455X is built on the CDNA 5.0 architecture, part of the Instinct (MIx) generation. The Intel Arc 130V Mobile uses the Xe2-LPG architecture, belonging to the Arc Graphics-M (Lunar Lake) generation.

Q: Which GPU has a larger memory capacity and what type does it use?

A: The AMD Instinct MI455X features 432 GB of HBM4 memory with a 24576-bit bus and 23.3 TB/s bandwidth. The Intel Arc 130V Mobile uses System Shared memory with System Dependent bandwidth.

Q: How do the two GPUs compare in terms of power consumption?

A: The AMD Instinct MI455X has a TDP of 2300 W with a suggested PSU of 2700 W. The Intel Arc 130V Mobile has a TDP of 37 W, reflecting its mobile integrated design.

Q: What are the shading unit counts for each GPU?

A: The AMD Instinct MI455X has 32,768 shading units, while the Intel Arc 130V Mobile has 896 shading units.

Q: What is the release date for each product?

A: The AMD Instinct MI455X is dated 2026-07-22, while the Intel Arc 130V Mobile is dated 2024-09-23.

Q: Which GPU supports modern graphics APIs such as DirectX 12 Ultimate?

A: The Intel Arc 130V Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD Instinct MI455X lists N/A for DirectX, OpenGL, and Vulkan, as it is a compute-focused accelerator with no display outputs.

Architecture Differences

The AMD Instinct MI455X and Intel Arc 130V Mobile represent opposite ends of the GPU design spectrum. The MI455X is a massive compute accelerator built on the CDNA 5.0 architecture, fabricated on a 2 nm process at TSMC. It packs 320,000 million transistors onto a 2990 mm² die, yielding a transistor density of 107.0M per mm². This is a dedicated accelerator module (EAM) with no display outputs, designed exclusively for high-throughput parallel workloads. Its memory subsystem uses HBM4 with 432 GB capacity, a 24576-bit bus, and 23.3 TB/s bandwidth.

The Intel Arc 130V Mobile is an integrated graphics processor (IGP) on the Lunar Lake chip, using the Xe2-LPG architecture. It is manufactured on a 3 nm process at TSMC with a 172 mm² die size; the transistor count is listed as unknown. This GPU is designed for mobile systems, sharing system memory with the host, and its bandwidth is system dependent. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, and its display outputs are portable device dependent.

The clock behavior differs significantly. The MI455X has a base clock of 1000 MHz and a boost clock of 2400 MHz, with memory clocked at 1900 MHz (7.6 Gbps effective). The Arc 130V runs at a 300 MHz base and 1850 MHz boost, with system shared memory. The MI455X has no RT cores listed, while the Arc 130V includes 7 RT cores. The MI455X has 1024 TMUs and no ROPs (pixel rate 0 MPixel/s), whereas the Arc 130V has 56 TMUs and 28 ROPs, delivering 51.80 GPixel/s pixel rate and 103.6 GTexel/s texture rate.

The power envelope is a stark contrast. The MI455X is rated at 2300 W TDP with a 2700 W suggested PSU, using no external power connectors (the module itself carries power through the EAM interface). The Arc 130V draws 37 W, typical for an integrated mobile solution. The MI455X uses a PCIe 6.0 x16 bus interface, while the Arc 130V is directly integrated into the processor. The MI455X has no display outputs; the Arc 130V's outputs depend on the host device.

Head-to-Head Benchmarks

The recorded database shows no direct head-to-head benchmark entries between the AMD Instinct MI455X and Intel Arc 130V Mobile, and both products have zero average benchmark scores. The percentile ranking for both GPUs is 50th percentile against all GPUs, which places them at the median of the database distribution. This equal percentile is notable given the extreme difference in raw specifications.

Without measured performance deltas, the specification-level comparison provides the only quantitative basis. The MI455X delivers 157.3 TFLOPS of FP32 performance and 157.3 TFLOPS of FP16 (1:1 ratio). The Arc 130V produces 3.315 TFLOPS FP32 and 6.630 TFLOPS FP16 (2:1 ratio). This represents a 46.4x gap in FP32 throughput in favor of the MI455X, based directly on the recorded figures. The texture rate difference is even larger: 2,457.6 GTexel/s versus 103.6 GTexel/s, a 23.7x advantage for the MI455X.

The memory bandwidth differential is extreme. The MI455X's HBM4 subsystem provides 23.3 TB/s, while the Arc 130V's bandwidth is system dependent with no fixed number recorded. The MI455X also has 32,768 shading units versus 896 for the Arc 130V, a 36.6x ratio. The Arc 130V counters with its 7 RT cores, which the MI455X does not list, and a functional pixel pipeline (51.80 GPixel/s) versus the MI455X's 0 MPixel/s.

The MI455X wins decisively in raw compute throughput, memory bandwidth, and shading resources. The Arc 130V wins on power efficiency (37 W versus 2300 W), modern graphics API support, and integrated form factor suitability. The data shows no benchmark scores to confirm real-world performance, so these figures remain theoretical maximums from the specification sheets.

Specification Differences

| Specification | AMD Instinct MI455X | Intel Arc 130V Mobile |

|----------------|----------------------|------------------------|

| Architecture | CDNA 5.0 | Xe2-LPG |

| Generation | Instinct (MIx) | Arc Graphics-M (Lunar Lake) |

| Process Node | 2 nm | 3 nm |

| Foundry | TSMC | TSMC |

| Transistors | 320,000 million | unknown |

| Die Size | 2990 mm² | 172 mm² |

| Transistor Density | 107.0M / mm² | null |

| Base Clock | 1000 MHz | 300 MHz |

| Boost Clock | 2400 MHz | 1850 MHz |

| Memory Clock | 1900 MHz 7.6 Gbps effective | System Shared |

| Memory Size | 432 GB | System Shared |

| Memory Type | HBM4 | System Shared |

| Memory Bus Width | 24576 bit | System Shared |

| Memory Bandwidth | 23.3 TB/s | System Dependent |

| Shading Units | 32768 | 896 |

| TMUs | 1024 | 56 |

| ROPs | 0 | 28 |

| RT Cores | null | 7 |

| Pixel Rate | 0 MPixel/s | 51.80 GPixel/s |

| Texture Rate | 2,457.6 GTexel/s | 103.6 GTexel/s |

| FP32 | 157.3 TFLOPS | 3.315 TFLOPS |

| FP16 | 157.3 TFLOPS (1:1) | 6.630 TFLOPS (2:1) |

| TDP | 2300 W | 37 W |

| Slot Width | EAM Module | IGP |

| Power Connectors | None | null |

| Suggested PSU | 2700 W | null |

| Bus Interface | PCIe 6.0 x16 | IGP |

| Display Outputs | No outputs | Portable Device Dependent |

| DirectX | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Production Status | null | Active |

| Release Date | 2026-07-22 | 2024-09-23 |

| Predecessor | Radeon Instinct | HD Graphics-M |

Where Each One Wins

The AMD Instinct MI455X dominates in compute-heavy, data-parallel workloads. Its 157.3 TFLOPS FP32 throughput, 432 GB HBM4 memory, and 23.3 TB/s bandwidth make it suited for large-scale scientific simulation, AI training, and high-performance computing tasks. The 32,768 shading units and 2,457.6 GTexel/s texture rate indicate massive parallel throughput capacity. The 1:1 FP16 ratio means half-precision workloads do not gain extra throughput, but the absolute numbers remain enormous. The PCIe 6.0 x16 interface provides host connectivity for accelerator deployments. This is a server or data center part, as evidenced by the EAM module slot width, 2300 W TDP, and absence of display outputs.

The Intel Arc 130V Mobile wins in mobile integrated graphics scenarios. Its 37 W TDP allows deployment in laptops and compact devices without discrete power delivery. The 7 RT cores enable hardware-accelerated ray tracing, a feature the MI455X does not list. The DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support make it compatible with mainstream gaming and graphics applications. The 51.80 GPixel/s pixel rate and 28 ROPs provide a complete rasterization pipeline, which the MI455X lacks entirely (0 ROPs, 0 MPixel/s). The 2:1 FP16 ratio doubles half-precision throughput relative to FP32, a common pattern for consumer graphics.

The production status differs: the Arc 130V is listed as Active, while the MI455X has no production status recorded. The release dates show the Arc 130V launched on 2024-09-23, while the MI455X is dated 2026-07-22. The MI455X's predecessor is Radeon Instinct, while the Arc 130V follows HD Graphics-M. Neither product has a successor listed, and neither has a launch MSRP in the database.

The data indicates no overlap in intended use cases. The MI455X is a compute accelerator with no graphics output, prioritizing FP32 throughput, memory capacity, and bandwidth at extreme power levels. The Arc 130V is an integrated mobile GPU prioritizing power efficiency, API compatibility, and rasterization features. Benchmark results are absent for both, so the percentile rankings of 50 for each reflect only their position in the full GPU database, not comparative performance against each other. The wins are structural: the MI455X wins where raw compute and memory scale matter, the Arc 130V wins where integration, power limits, and graphics API support are required.