AMD Instinct MI300A vs Lisuan Tech LX 7G100 Comparison

The Verdict

The recorded data positions the AMD Instinct MI300A and Lisuan Tech LX 7G100 as fundamentally different compute devices. The MI300A is a high-bandwidth, high-throughput accelerator oriented toward dense computation, while the LX 7G100 is a conventional graphics card with display outputs and a standard dual-slot form factor. The MI300A delivers 61.29 TFLOPS FP32, a 2.5x advantage over the LX 7G100's 24.58 TFLOPS. The MI300A also provides 5.32 TB/s of memory bandwidth, which is 12.3x the 432.0 GB/s of the LX 7G100. For workloads that scale with memory bandwidth and raw FP32 throughput, the MI300A is the clear selection. For tasks requiring standard graphics APIs, display connectivity, and a conventional PCIe 4.0 card, the LX 7G100 is the only viable option in this comparison.

Architecture Differences

The MI300A uses the Aqua Vanjaram chip built on CDNA 3.0 architecture, fabricated on a 5 nm process at TSMC. It contains 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4M per mm². The LX 7G100 uses the 7G106 chip with TrueGPU architecture, fabricated on a 6 nm process at TSMC. Its transistor count and die size are recorded as unknown. The process node difference is small, but the die scale difference is enormous.

Memory architecture diverges sharply. The MI300A uses 128 GB of HBM3 across an 8192 bit bus, delivering 5.32 TB/s bandwidth. Memory clock is 1300 MHz with 5.2 Gbps effective. The LX 7G100 uses 12 GB of GDDR6 across a 192 bit bus, delivering 432.0 GB/s bandwidth. Memory clock is 2250 MHz with 18 Gbps effective. The MI300A's bus width is 42.7x wider, and its bandwidth is 12.3x higher.

Compute resources also differ. The MI300A has 14,592 shading units, 912 texture mapping units, and 0 raster operation units. Its texture rate is 1,915.2 GTexel/s, and pixel rate is 0 MPixel/s. The LX 7G100 has 6,144 shading units, 192 TMUs, and 96 ROPs. Its texture rate is 384.0 GTexel/s, and pixel rate is 192.0 GPixel/s. The MI300A has 2.4x more shading units and 4.75x more TMUs, but it has no ROPs. The LX 7G100 has a functioning raster pipeline, evidenced by its 96 ROPs and 192.0 GPixel/s pixel rate.

The LX 7G100 exposes standard graphics APIs: DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The MI300A reports N/A for DirectX, OpenGL, and Vulkan, indicating no graphics API support. The LX 7G100 provides four DisplayPort 1.4a outputs; the MI300A has no display outputs. Form factor and power delivery also differ. The MI300A is an OAM Module with no power connectors and a 750 W TDP, while the LX 7G100 is a dual-slot card, 294 mm long, 120 mm high, 49 mm wide, with a single 8-pin connector and a 225 W TDP.

FAQ

Q: Which accelerator has higher FP32 compute throughput?

A: The AMD Instinct MI300A delivers 61.29 TFLOPS FP32, which is 2.5x the 24.58 TFLOPS of the Lisuan Tech LX 7G100.

Q: What is the memory bandwidth difference?

A: The MI300A provides 5.32 TB/s from 128 GB of HBM3 over an 8192 bit bus. The LX 7G100 provides 432.0 GB/s from 12 GB of GDDR6 over a 192 bit bus. The MI300A has 12.3x higher bandwidth and 10.7x more memory capacity.

Q: Can either card output to a display?

A: Only the LX 7G100 can. It has four DisplayPort 1.4a outputs. The MI300A has no display outputs.

Q: Which device supports standard graphics APIs?

A: The LX 7G100 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The MI300A reports N/A for all three APIs.

Q: What are the power requirements?

A: The MI300A has a 750 W TDP and a suggested PSU of 1150 W, with no power connectors (as an OAM Module). The LX 7G100 has a 225 W TDP, a suggested PSU of 550 W, and uses a single 8-pin connector.

Q: Which device has a higher pixel rate?

A: The LX 7G100 has a pixel rate of 192.0 GPixel/s, while the MI300A has 0 MPixel/s. The MI300A cannot rasterize.

Specification Differences

| Specification | AMD Instinct MI300A | Lisuan Tech LX 7G100 |

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

| Architecture | CDNA 3.0 | TrueGPU |

| Chip | Aqua Vanjaram | 7G106 |

| 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 | 1300 MHz, 5.2 Gbps effective | 2250 MHz, 18 Gbps effective |

| Memory Size | 128 GB | 12 GB |

| Memory Type | HBM3 | GDDR6 |

| Memory Bus Width | 8192 bit | 192 bit |

| Memory Bandwidth | 5.32 TB/s | 432.0 GB/s |

| Shading Units | 14,592 | 6,144 |

| TMUs | 912 | 192 |

| ROPs | 0 | 96 |

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

| Texture Rate | 1,915.2 GTexel/s | 384.0 GTexel/s |

| FP32 Performance | 61.29 TFLOPS | 24.58 TFLOPS |

| FP16 Performance | null | 49.15 TFLOPS (2:1) |

| TDP | 750 W | 225 W |

| Slot Width | OAM Module | Dual-slot |

| Power Connectors | None | 1x 8-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 | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.3 |

| Dimensions | null | 294 mm x 120 mm x 49 mm |

| Production Status | null | Active |

| Release Date | 2023-12-05 | 2026-06-17 |

The MI300A has a 5 nm node versus 6 nm, a massive transistor count advantage, and a 1000 MHz to 2100 MHz clock range. The LX 7G100 has no base or boost clocks recorded. The MI300A has 2.4x shading units and 4.75x TMUs, but the LX 7G100 has 96 ROPs versus zero. The LX 7G100 supports FP16 at 49.15 TFLOPS with a 2:1 ratio; no FP16 figure is recorded for the MI300A. The MI300A uses PCIe 5.0 x16, the LX 7G100 uses PCIe 4.0 x16.

Head-to-Head Benchmarks

The head-to-head benchmark list is empty, and both devices record zero benchmark scores in the database. The wins count is 0 for each device. Therefore, direct measured performance comparisons are unavailable. The analysis must rely on the recorded specification data and the derived ratios from those specifications.

The largest computed advantage appears in memory bandwidth. The MI300A's 5.32 TB/s is 12.3x the 432.0 GB/s of the LX 7G100. This is driven by the 8192 bit bus versus 192 bit, a 42.7x width difference, partially offset by the LX 7G100's higher effective memory clock of 18 Gbps versus 5.2 Gbps. The MI300A's 128 GB capacity is 10.7x the 12 GB of the LX 7G100.

In FP32 compute, the MI300A's 61.29 TFLOPS is 2.5x the 24.58 TFLOPS of the LX 7G100. Texture rate follows a similar pattern: 1,915.2 GTexel/s versus 384.0 GTexel/s, a 5.0x advantage for the MI300A. The LX 7G100 counters in rasterization. Its 192.0 GPixel/s is a measurable pixel rate, while the MI300A records 0 MPixel/s. The LX 7G100 also has 96 ROPs, all of which are absent from the MI300A.

The LX 7G100 has a defined FP16 capability of 49.15 TFLOPS, which is 2.0x its own FP32 rate. No FP16 number exists for the MI300A in the database, so a cross-device FP16 comparison cannot be made. The MI300A does not list a production status, while the LX 7G100 is marked Active.

Power efficiency favors the LX 7G100 based on the recorded TDP figures. The MI300A draws 750 W to deliver 61.29 TFLOPS, yielding 0.0817 TFLOPS per watt. The LX 7G100 draws 225 W to deliver 24.58 TFLOPS, yielding 0.1092 TFLOPS per watt. The LX 7G100 is 1.34x more efficient in FP32 per watt. Its memory bandwidth per watt is also higher: 432.0 GB/s divided by 225 W equals 1.92 GB/s per watt, versus 5.32 TB/s (5,320 GB/s) divided by 750 W equals 7.09 GB/s per watt, which is a 3.7x advantage for the MI300A.

Where Each One Wins

The MI300A wins in every metric related to raw compute density and memory subsystem scale. It leads FP32 throughput by 2.5x, texture rate by 5.0x, memory bandwidth by 12.3x, and memory capacity by 10.7x. Its 153,000 million transistors and 1017 mm² die indicate a design targeting maximum parallel throughput. The 5 nm process and PCIe 5.0 x16 interface further reinforce its position as a high-end accelerator. The 750 W TDP and suggested 1150 W PSU confirm that it is intended for server platforms with dedicated power delivery, since it has no modular power connectors and uses an OAM Module slot width.

The LX 7G100 wins in all consumer-facing and graphics-oriented categories. It has 96 ROPs, a 192.0 GPixel/s pixel rate, four DisplayPort 1.4a outputs, and full support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3. It fits in a standard dual-slot form factor, uses a single 8-pin power connector, and has a suggested PSU of 550 W. Its 225 W TDP is one third that of the MI300A. Its FP16 throughput of 49.15 TFLOPS is 2.0x its FP32 rate, indicating a different compute balance. The LX 7G100 is marked as Active in production status, while the MI300A has no recorded status. The LX 7G100 also has a later release date of 2026-06-17 versus 2023-12-05 for the MI300A.

The use-case split is clear. The MI300A is for dense compute workloads where memory bandwidth and FP32 throughput dominate, such as large-scale tensor or scientific processing, given its HBM3 memory and absence of graphics features. The LX 7G100 is for conventional GPU tasks, including rendering, display output, and API-standard workloads, given its raster pipeline and graphics API support. No benchmark scores exist for either device, so all conclusions derive from the recorded specifications. The data indicates no overlap in intended function.