AMD Instinct MI308X vs Intel Arc A310E Comparison

FAQ

Q: What are the core architectural identities of the AMD Instinct MI308X and Intel Arc A310E?

A: The AMD Instinct MI308X uses the CDNA 3.0 architecture with the Aqua Vanjaram chip, built on a 5 nm process at TSMC. The Intel Arc A310E uses the Xe-HPG architecture with the DG2-128 chip, built on a 6 nm process at TSMC.

Q: How do the memory subsystems compare between these two GPUs?

A: The AMD Instinct MI308X carries 192 GB of HBM3 memory on an 8192-bit bus, delivering 5.32 TB/s of bandwidth. The Intel Arc A310E has 4 GB of GDDR6 memory on a 64-bit bus, providing 124.0 GB/s of bandwidth.

Q: What are the power requirements for each card?

A: The AMD Instinct MI308X has a TDP of 750 W and a suggested PSU of 1150 W. The Intel Arc A310E has a TDP of 75 W and a suggested PSU of 250 W.

Q: Which card supports display outputs?

A: The Intel Arc A310E provides 4x mini-DisplayPort 2.0 outputs. The AMD Instinct MI308X has no display outputs, as it is an OAM module compute accelerator.

Q: What API support does each card offer?

A: The Intel Arc A310E supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD Instinct MI308X lists N/A for DirectX, OpenGL, and Vulkan, reflecting its compute-focused role.

Q: What is the release timeline for these products?

A: The AMD Instinct MI308X was released on 2023-12-05. The Intel Arc A310E was released on 2024-03-31 and is marked as end-of-life, with Battlemage listed as its successor.

Where Each One Wins

The data reveals a complete role separation between these two accelerators. The AMD Instinct MI308X is built exclusively for compute workloads. Its 19456 shading units, 1216 texture mapping units, and 192 GB of HBM3 memory position it as a high-density data center part. The 8192-bit memory bus and 5.32 TB/s bandwidth are figures that dwarf anything in the client GPU space. The lack of display outputs and N/A API support for graphics confirm this is not a rendering device.

The Intel Arc A310E wins in every client-facing category. It has 4x mini-DisplayPort 2.0 outputs, DirectX 12 Ultimate support, OpenGL 4.6, and Vulkan 1.4. Its 75 W TDP and 250 W suggested PSU make it suitable for small form factor systems, and its 168 mm length, 69 mm height, and 20 mm width fit standard low-profile slots. The 6 ray tracing cores add hardware acceleration for ray-traced workloads, something the MI308X does not list.

The production status also differs. The Intel Arc A310E is end-of-life with a successor named (Battlemage), while the AMD Instinct MI308X has no successor listed. The MI308X belongs to the Instinct (MIx) generation and follows the Radeon Instinct line, indicating an ongoing compute product family.

Architecture Differences

The AMD Instinct MI308X uses CDNA 3.0, a compute-focused architecture designed for data center acceleration. The chip, codenamed Aqua Vanjaram, contains 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4M per mm². The 5 nm TSMC process enables this extreme density. The architecture allocates resources to shading units (19456) and TMUs (1216) but lists 0 ROPs and 0 MPixel/s pixel rate, confirming it skips rasterization hardware entirely. The memory system uses HBM3 with a 1300 MHz clock and 5.2 Gbps effective speed.

The Intel Arc A310E uses Xe-HPG, the gaming and client graphics architecture from Intel's Alchemist generation. The DG2-128 chip packs 7,200 million transistors on a 157 mm² die, with transistor density of 45.9M per mm². This is a 6 nm TSMC part. It includes 768 shading units, 32 TMUs, 16 ROPs, and 6 ray tracing cores. The pixel rate is 32.00 GPixel/s and texture rate is 64.00 GTexel/s. Memory uses GDDR6 at 1937 MHz with 15.5 Gbps effective.

The architectural split is stark. CDNA 3.0 strips out graphics-specific hardware (ROPs, display engines, graphics APIs) to feed compute throughput. Xe-HPG retains full graphics functionality, including ray tracing and display output, while operating at a fraction of the transistor budget. The FP16 ratio also differs: the MI308X runs FP16 at 1:1 with FP32 (both 81.72 TFLOPS), while the A310E runs FP16 at 2:1 (6.144 TFLOPS vs 3.072 FP32), a typical gaming-oriented ratio.

Specification Differences

| Specification | AMD Instinct MI308X | Intel Arc A310E |

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

| Architecture | CDNA 3.0 | Xe-HPG |

| Process node | 5 nm | 6 nm |

| Transistors | 153,000 million | 7,200 million |

| Die size | 1017 mm² | 157 mm² |

| Transistor density | 150.4M / mm² | 45.9M / mm² |

| Base clock | 1000 MHz | 2000 MHz |

| Boost clock | 2100 MHz | 2000 MHz |

| Memory size | 192 GB | 4 GB |

| Memory type | HBM3 | GDDR6 |

| Memory bus | 8192 bit | 64 bit |

| Memory bandwidth | 5.32 TB/s | 124.0 GB/s |

| Shading units | 19456 | 768 |

| TMUs | 1216 | 32 |

| ROPs | 0 | 16 |

| RT cores | N/A | 6 |

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

| Texture rate | 2,553.6 GTexel/s | 64.00 GTexel/s |

| FP32 | 81.72 TFLOPS | 3.072 TFLOPS |

| FP16 | 81.72 TFLOPS (1:1) | 6.144 TFLOPS (2:1) |

| TDP | 750 W | 75 W |

| Slot width | OAM Module | Single-slot |

| Suggested PSU | 1150 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 |

| Dimensions | Not listed | 168 mm × 69 mm × 20 mm |

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

| Release date | 2023-12-05 | 2024-03-31 |

| Predecessor | Radeon Instinct | Xe Graphics |

| Successor | None listed | Battlemage |

Head-to-Head Benchmarks

The database shows no direct head-to-head benchmark entries, and both cards have zero recorded wins against each other. However, the specification data provides clear comparative signals across every measurable category.

The most decisive gap is in raw compute throughput. The AMD Instinct MI308X delivers 81.72 TFLOPS of FP32, which is roughly 26.6 times the Intel Arc A310E's 3.072 TFLOPS. In FP16, the MI308X again produces 81.72 TFLOPS, while the A310E reaches 6.144 TFLOPS, a 13.3x difference. The texture rate shows a similar chasm: 2,553.6 GTexel/s versus 64.00 GTexel/s, a 39.9x advantage for the MI308X.

Memory bandwidth amplifies the compute gap. The MI308X's 5.32 TB/s is approximately 42.9 times the A310E's 124.0 GB/s. The memory bus width difference is 8192 bits versus 64 bits, a 128x factor. Memory capacity differs by 48x (192 GB vs 4 GB), which matters for large model residency in compute workloads.

The Intel Arc A310E counters in the categories that matter for client use. Its pixel rate of 32.00 GPixel/s is meaningful because the MI308X is at 0 MPixel/s. The A310E has 16 ROPs and 6 ray tracing cores, while the MI308X lists none. The A310E's base clock of 2000 MHz and boost of 2000 MHz exceed the MI308X's 1000 MHz base, though the MI308X boosts higher at 2100 MHz.

Power efficiency reverses the compute story. The A310E draws 75 W TDP and requires a 250 W PSU. The MI308X draws 750 W TDP and requires a 1150 W PSU. Per watt, the A310E delivers 0.04096 TFLOPS/W in FP32, while the MI308X delivers 0.10896 TFLOPS/W. The MI308X is roughly 2.66 times more efficient in FP32 per watt, despite its absolute power draw.

The bus interface also differs: PCIe 5.0 x16 on the MI308X versus PCIe 4.0 x8 on the A310E. The MI308X's interface offers more lanes and a newer generation, suited for data center servers. The A310E's x8 link is adequate for its bandwidth needs.

The Verdict

The AMD Instinct MI308X is a data center compute accelerator. Its 192 GB HBM3 pool, 5.32 TB/s bandwidth, and 81.72 TFLOPS FP32/FP16 performance target large-scale scientific computing, AI training, and inference workloads where memory capacity and throughput dominate. The OAM module form factor, 750 W TDP, and 1150 W suggested PSU require server infrastructure. The absence of display outputs and graphics APIs means it cannot drive a monitor or run conventional games.

The Intel Arc A310E is a low-power client graphics card. Its 4 GB GDDR6, 64-bit bus, and 124.0 GB/s bandwidth serve entry-level gaming, media playback, and display output. The 4x mini-DisplayPort 2.0 outputs, DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support make it a functional graphics solution. The 75 W TDP and 250 W suggested PSU allow installation in compact systems. The 168 mm length, 69 mm height, and 20 mm width fit standard slots.

The data shows no overlap in intended use. The MI308X wins every compute metric by orders of magnitude. The A310E wins every client graphics metric by being the only one with those capabilities. The production status also separates them: the A310E is end-of-life with a successor, while the MI308X remains current within its generation.

For a server room deploying high-throughput compute nodes, the MI308X is the only option with the required memory capacity and bandwidth. For a desktop or workstation needing graphics output, the A310E is the only option with display ports and graphics APIs. Neither card can substitute for the other. The benchmark database records zero head-to-head wins for either, which aligns with their disjoint feature sets.