AMD Instinct MI355X vs Intel Arc A310E Comparison

Head-to-Head Benchmarks

The recorded database contains no direct benchmark comparison entries between the AMD Instinct MI355X and the Intel Arc A310E. Both products have an empty benchmark result set, an average benchmark score of zero, and a percentile rank of 50 against all GPUs. Consequently, there are no measured wins for either part in head-to-head testing. The absence of scores means the data cannot establish a performance delta between the two accelerators. What the database does record are the architectural specifications that define their intended roles. The AMD part is positioned as a data center accelerator with a 78.64 TFLOPS FP32 rating, while the Intel part delivers 3.072 TFLOPS FP32. Without benchmark results, the comparison rests entirely on the recorded component specifications and the design choices they represent.

Architecture Differences

The AMD Instinct MI355X uses the MI350 256CU chip built on CDNA 4.0 architecture, fabricated on a 3 nm process at TSMC. The Intel Arc A310E uses the DG2-128 chip based on Xe-HPG architecture, fabricated on a 6 nm process, also at TSMC. The manufacturing node difference is substantial, with AMD employing a denser process. Transistor counts reflect the scale gap: AMD integrates 185,000 million transistors across a 2380 mm² die, while Intel integrates 7,200 million transistors on a 157 mm² die. Transistor density measures 77.7M per mm² for the AMD chip versus 45.9M per mm² for the Intel chip.

Memory architecture diverges completely. The MI355X carries 288 GB of HBM3e across an 8192-bit bus, yielding 8.19 TB/s of bandwidth. The A310E carries 4 GB of GDDR6 across a 64-bit bus, yielding 124.0 GB/s. Memory clock rates differ as well: the AMD memory runs at 2000 MHz with 8 Gbps effective speed, while the Intel memory runs at 1937 MHz with 15.5 Gbps effective speed.

Compute resources show a wide gap. The MI355X has 16,384 shading units, 1,024 TMUs, and 0 ROPs, with a texture rate of 2,457.6 GTexel/s and a pixel rate of 0 MPixel/s. The A310E has 768 shading units, 32 TMUs, and 16 ROPs, with a texture rate of 64.00 GTexel/s and a pixel rate of 32.00 GPixel/s. The Intel part includes 6 ray tracing cores; the AMD part lists no RT core count. FP16 throughput also differs in ratio: the MI355X achieves 78.64 TFLOPS FP16 at a 1:1 ratio with FP32, while the A310E achieves 6.144 TFLOPS FP16 at a 2:1 ratio.

Clock behavior separates the two as well. The MI355X has a base clock of 1000 MHz and a boost clock of 2400 MHz. The A310E runs at a fixed 2000 MHz for both base and boost. Power envelopes are far apart: the MI355X is rated at 1400 W TDP with an 1800 W suggested PSU, while the A310E is rated at 75 W TDP with a 250 W suggested PSU. The AMD card uses an OAM module slot width and has no display outputs. The Intel card is single-slot with 4x mini-DisplayPort 2.0 outputs.

Interface support differs: the MI355X uses PCIe 5.0 x16, while the A310E uses PCIe 4.0 x8. API support is absent for the AMD part (DirectX, OpenGL, and Vulkan all listed as N/A), whereas the Intel part supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. Physical dimensions also differ: the MI355X measures 102 mm in length and 165 mm in width, while the A310E measures 168 mm in length, 69 mm in height, and 20 mm in width.

Where Each One Wins

The AMD Instinct MI355X wins in every metric tied to raw compute scale and memory capacity. The FP32 throughput of 78.64 TFLOPS exceeds the Intel part's 3.072 TFLOPS by a factor of roughly 25.6. The FP16 rate of 78.64 TFLOPS at 1:1 ratio provides sustained half-precision output, while the Intel part's 6.144 TFLOPS FP16 at 2:1 ratio indicates a different precision handling approach. Texture rate favors AMD at 2,457.6 GTexel/s versus 64.00 GTexel/s. Memory bandwidth favors AMD overwhelmingly at 8.19 TB/s versus 124.0 GB/s. Memory capacity favors AMD at 288 GB versus 4 GB. The 8192-bit bus versus the 64-bit bus explains the bandwidth gap. The 3 nm node and 185,000 million transistor count position the MI355X as a high-density compute engine.

The Intel Arc A310E wins in areas relevant to graphics output and conventional rendering. It has 16 ROPs and a pixel rate of 32.00 GPixel/s, while the AMD part has 0 ROPs and 0 MPixel/s pixel rate. The Intel part includes 6 ray tracing cores, which the AMD part does not list. The A310E provides 4x mini-DisplayPort 2.0 outputs, while the MI355X has no display outputs. API compatibility favors Intel with DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support; the AMD part lists N/A for all three. The A310E also runs at a higher base clock of 2000 MHz versus 1000 MHz, and its fixed 2000 MHz boost matches its base clock, indicating a stable operating point. The 75 W TDP and 250 W suggested PSU make the Intel part suitable for constrained power environments, whereas the 1400 W TDP and 1800 W suggested PSU of the AMD part demand substantial infrastructure.

The database shows no overlapping use case where both parts compete directly. The MI355X is a compute accelerator without rendering outputs, and the A310E is a graphics-capable card with display connectivity. The MI355X holds every compute and memory advantage. The A310E holds every graphics and connectivity advantage. The recorded data supports a clean functional separation.

The Verdict

The AMD Instinct MI355X is the choice for compute-heavy workloads that require massive memory capacity, extreme bandwidth, and high FP32 or FP16 throughput. The 288 GB HBM3e pool, 8.19 TB/s bandwidth, and 78.64 TFLOPS FP32 rating place it firmly in the data center accelerator category. The lack of display outputs and N/A API support reinforce this positioning. The 1400 W TDP and 1800 W suggested PSU indicate a system-level component designed for server racks with dedicated power delivery.

The Intel Arc A310E is the choice for graphics-oriented tasks that need rendering output, ray tracing, and standard API compatibility. The 4x mini-DisplayPort 2.0 outputs, 6 RT cores, 16 ROPs, and DirectX 12 Ultimate support make it a functional graphics card. The 75 W TDP and 250 W suggested PSU allow for simple integration into modest systems. The 4 GB GDDR6 memory and 124.0 GB/s bandwidth are modest by comparison but sufficient for the part's intended scope.

The production status differs: the Intel part is marked end-of-life with a successor named Battlemage, while the AMD part has no recorded production status. Release dates place the AMD part at 2025-06-11 and the Intel part at 2024-03-31. The predecessor fields also differ: the MI355X follows Radeon Instinct, and the A310E follows Xe Graphics. Neither part has a launch MSRP recorded in the database.

Selecting between them depends entirely on the workload class. The data shows no benchmark overlap, so the verdict rests on specification alignment. Compute acceleration points to the MI355X. Graphics output and rendering point to the A310E.

FAQ

Q: Which GPU has higher FP32 performance?

A: The AMD Instinct MI355X records 78.64 TFLOPS FP32, while the Intel Arc A310E records 3.072 TFLOPS FP32.

Q: How much memory does each card have?

A: The AMD Instinct MI355X has 288 GB of HBM3e, and the Intel Arc A310E has 4 GB of GDDR6.

Q: Does either card support ray tracing?

A: The Intel Arc A310E includes 6 ray tracing cores. The AMD Instinct MI355X lists no RT core count.

Q: What display outputs are available?

A: The AMD Instinct MI355X has no display outputs. The Intel Arc A310E has 4x mini-DisplayPort 2.0 outputs.

Q: What are the power requirements?

A: The AMD Instinct MI355X has a 1400 W TDP and an 1800 W suggested PSU. The Intel Arc A310E has a 75 W TDP and a 250 W suggested PSU.

Q: Which card supports DirectX 12 Ultimate?

A: The Intel Arc A310E supports DirectX 12 Ultimate (12_2). The AMD Instinct MI355X lists DirectX as N/A.

Specification Differences

| Field | AMD Instinct MI355X | Intel Arc A310E |

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

| Chip | MI350 256CU | DG2-128 |

| Architecture | CDNA 4.0 | Xe-HPG |

| Generation | Instinct (MIx) | Alchemist (Arc 3) |

| Process Node | 3 nm | 6 nm |

| Transistors | 185,000 million | 7,200 million |

| Die Size | 2380 mm² | 157 mm² |

| Transistor Density | 77.7M / mm² | 45.9M / mm² |

| Base Clock | 1000 MHz | 2000 MHz |

| Boost Clock | 2400 MHz | 2000 MHz |

| Memory Size | 288 GB | 4 GB |

| Memory Type | HBM3e | GDDR6 |

| Memory Bus Width | 8192 bit | 64 bit |

| Memory Bandwidth | 8.19 TB/s | 124.0 GB/s |

| Memory Clock | 2000 MHz 8 Gbps effective | 1937 MHz 15.5 Gbps effective |

| Shading Units | 16384 | 768 |

| TMUs | 1024 | 32 |

| ROPs | 0 | 16 |

| RT Cores | Not listed | 6 |

| Pixel Rate | 0 MPixel/s | 32.00 GPixel/s |

| Texture Rate | 2,457.6 GTexel/s | 64.00 GTexel/s |

| FP32 | 78.64 TFLOPS | 3.072 TFLOPS |

| FP16 | 78.64 TFLOPS (1:1) | 6.144 TFLOPS (2:1) |

| TDP | 1400 W | 75 W |

| Slot Width | OAM Module | Single-slot |

| Suggested PSU | 1800 W | 250 W |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x8 |

| Display Outputs | No outputs | 4x mini-DisplayPort 2.0 |

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

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Length | 102 mm 4 inches | 168 mm 6.6 inches |

| Height | Not listed | 69 mm 2.7 inches |

| Width | 165 mm 6.5 inches | 20 mm 0.8 inches |

| Release Date | 2025-06-11 | 2024-03-31 |

| Predecessor | Radeon Instinct | Xe Graphics |

| Successor | Not listed | Battlemage |

| Production Status | Not listed | End-of-life |