AMD Radeon Instinct MI300A vs Lisuan Tech LX MAX Comparison

The Verdict

The recorded data positions the AMD Radeon Instinct MI300A and the Lisuan Tech LX MAX at opposite ends of the accelerator spectrum. The MI300A is a massive data-center compute module with 192 GB of HBM3 memory, a 750 W power envelope, and an FP32 throughput of 81.72 TFLOPS. The LX MAX is a dual-slot, 225 W graphics card with 12 GB of GDDR6, 24.58 TFLOPS FP32, and full display outputs. The database percentile ranking places both at 50.0 percent of all GPUs, indicating that neither is an outlier in the overall distribution, but their architectural goals diverge completely. The MI300A targets HPC and AI workloads where memory capacity and aggregate throughput dominate; the LX MAX targets conventional graphics rendering and PCIe 4.0 systems where power draw and physical footprint are constrained. From the data alone, the MI300A is the choice for compute-heavy, multi-GPU server deployments, while the LX MAX suits desktop or workstation builds that require rasterization and video output.

Architecture Differences

The MI300A uses the CDNA 3.0 architecture and the Aqua Vanjaram chip, fabricated on a 5 nm TSMC process. The LX MAX employs the TrueGPU architecture with the 7G106 chip, built on a 6 nm TSMC process. The MI300A integrates 153,000 million transistors across a 1017 mm² die, yielding a transistor density of 150.4M per mm². The LX MAX does not report transistor count or die size, so density cannot be calculated. The MI300A belongs to the Radeon Instinct (MIx) generation, while the LX MAX is part of the 7G100 generation. The MI300A has no display outputs, no pixel rate (0 MPixel/s), and no API support listed for DirectX, OpenGL, or Vulkan. The LX MAX provides 4x DisplayPort 1.4a outputs, a pixel rate of 192.0 GPixel/s, and supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The MI300A uses an OAM Module slot width and no power connectors, whereas the LX MAX is a Dual-slot card with a single 16-pin connector. The MI300A requires a 1150 W suggested PSU, the LX MAX a 550 W unit. The MI300A connects via PCIe 5.0 x16; the LX MAX uses PCIe 4.0 x16.

FAQ

Q: Which accelerator has more memory?

A: The MI300A has 192 GB of HBM3 on a 8192-bit bus with 10.3 TB/s bandwidth. The LX MAX has 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth.

Q: Which card can output video to displays?

A: The LX MAX has 4x DisplayPort 1.4a outputs and supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3. The MI300A has no display outputs and no listed API support.

Q: How do their FP32 compute rates compare?

A: The MI300A delivers 81.72 TFLOPS FP32, which is 3.32 times the LX MAX's 24.58 TFLOPS. The MI300A also leads in FP16 with 653.7 TFLOPS (8:1) versus 49.15 TFLOPS (2:1) for the LX MAX.

Q: What are the power requirements?

A: The MI300A has a 750 W TDP and suggests a 1150 W PSU. The LX MAX has a 225 W TDP and suggests a 550 W PSU, using a single 16-pin connector.

Q: Which has higher texture throughput?

A: The MI300A reaches 2,553.6 GTexel/s, while the LX MAX reaches 384.0 GTexel/s. The MI300A also has 19456 shading units and 1216 TMUs, versus 6144 shading units and 192 TMUs on the LX MAX.

Q: What is the release timeline?

A: The MI300A released on 2023-12-05, and the LX MAX is listed with a production status of Active and a release date of 2026-03-16.

Specification Differences

| Field | AMD Radeon Instinct MI300A | Lisuan Tech LX MAX |

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

| Manufacturer | AMD | Unknown |

| Chip | Aqua Vanjaram | 7G106 |

| Architecture | CDNA 3.0 | TrueGPU |

| Generation | Radeon Instinct (MIx) | 7G100 |

| Process Node | 5 nm | 6 nm |

| Transistors | 153,000 million | unknown |

| Die Size | 1017 mm² | unknown |

| Transistor Density | 150.4M / mm² | null |

| Base Clock | 1000 MHz | null |

| Boost Clock | 2100 MHz | null |

| Memory Clock | 2525 MHz, 10.1 Gbps effective | 2250 MHz, 18 Gbps effective |

| Memory Size | 192 GB | 12 GB |

| Memory Type | HBM3 | GDDR6 |

| Memory Bus Width | 8192 bit | 192 bit |

| Memory Bandwidth | 10.3 TB/s | 432.0 GB/s |

| Shading Units | 19456 | 6144 |

| TMUs | 1216 | 192 |

| ROPs | 0 | 96 |

| Pixel Rate | 0 MPixel/s | 192.0 GPixel/s |

| Texture Rate | 2,553.6 GTexel/s | 384.0 GTexel/s |

| FP32 | 81.72 TFLOPS | 24.58 TFLOPS |

| FP16 | 653.7 TFLOPS (8:1) | 49.15 TFLOPS (2:1) |

| TDP | 750 W | 225 W |

| Slot Width | OAM Module | Dual-slot |

| Power Connectors | None | 1x 16-pin |

| Suggested PSU | 1150 W | 550 W |

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

| Display Outputs | No outputs | 4x DisplayPort 1.4a |

| DirectX | null | 12 Ultimate (12_2) |

| OpenGL | null | 4.6 |

| Vulkan | null | 1.3 |

| Dimensions | null | 248 mm, 118 mm, 48 mm |

| Production Status | null | Active |

| Release Date | 2023-12-05 | 2026-03-16 |

The MI300A lacks ROPs entirely, while the LX MAX carries 96. The MI300A uses HBM3 with an 8192-bit interface, the LX MAX uses GDDR6 with 192 bits. The MI300A has no power connectors, relying on the OAM carrier, while the LX MAX uses a standard 16-pin. The LX MAX is the only one with a physical dimension record: 248 mm length, 118 mm height, 48 mm width.

Head-to-Head Benchmarks

The database shows no direct head-to-head benchmark entries and zero wins for either side. The comparison therefore rests on the recorded specification data and the derived performance figures. The MI300A dominates in raw compute throughput. Its FP32 rate of 81.72 TFLOPS exceeds the LX MAX's 24.58 TFLOPS by a factor of 3.32. In FP16, the MI300A reaches 653.7 TFLOPS (8:1), which is 13.3 times the LX MAX's 49.15 TFLOPS (2:1). Texture rate tells a similar story: 2,553.6 GTexel/s versus 384.0 GTexel/s, a 6.65 times advantage. The MI300A also holds a commanding lead in memory bandwidth at 10.3 TB/s against 432.0 GB/s, a 23.8 times difference. The LX MAX counters in pixel throughput, delivering 192.0 GPixel/s versus the MI300A's 0 MPixel/s, and the LX MAX supports display output and a full modern API set, which the MI300A does not. The LX MAX also wins on power efficiency in the sense that its 225 W TDP is one-third of the MI300A's 750 W, and its suggested PSU of 550 W is less than half of the MI300A's 1150 W requirement. The LX MAX uses PCIe 4.0, the MI300A PCIe 5.0, which indicates a newer bus interface on the AMD part.

Where Each One Wins

The MI300A wins decisively in compute-heavy workloads that demand massive memory capacity and bandwidth. Its 192 GB HBM3 pool and 10.3 TB/s bandwidth suit large model training and inference tasks where data residency matters. Its FP32 and FP16 rates are multiples of the LX MAX, and its 19456 shading units and 1216 TMUs far exceed the 6144 and 192 on the LX MAX. The MI300A also uses a 5 nm process versus 6 nm, and its base and boost clocks are recorded at 1000 MHz and 2100 MHz, although the LX MAX has no base or boost clock listed. The MI300A's PCIe 5.0 x16 interface doubles the bus generation of the LX MAX's PCIe 4.0 x16, which can matter for data transfer in multi-GPU servers.

The LX MAX wins in conventional graphics and client-side workloads. Its 96 ROPs and 192.0 GPixel/s pixel rate enable rasterization, which the MI300A cannot perform (0 MPixel/s, no ROPs). The LX MAX provides four DisplayPort 1.4a outputs, so it can drive multiple monitors directly. Its API support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3 covers game and workstation software, whereas the MI300A lists no APIs. The LX MAX fits in a standard dual-slot form factor, uses one 16-pin connector, and requires a 550 W PSU, making it usable in ordinary desktop systems. Its 12 GB GDDR6 memory, while small relative to the MI300A, is sufficient for many rendering tasks, and its 18 Gbps effective memory clock is higher than the MI300A's 10.1 Gbps effective, though the MI300A's far wider 8192-bit bus compensates in total bandwidth. The LX MAX has an Active production status and a later release date of 2026-03-16, while the MI300A's release date is 2023-12-05. The LX MAX's dimensions of 248 mm by 118 mm by 48 mm specify a physical card, whereas the MI300A's dimensions are not recorded. For a user needing display outputs, ROP-based rendering, and a lower system power footprint, the LX MAX is the only viable option in this comparison. For a user needing maximum memory and compute density without any graphics output, the MI300A is the clear choice. The database records no benchmark wins for either side, so these conclusions derive entirely from the specification deltas and the performance figures listed above.