AMD Radeon Instinct MI300A vs Lisuan Tech LX 7G100 Comparison

The Verdict

The AMD Radeon Instinct MI300A and the Lisuan Tech LX 7G100 occupy entirely different segments of the accelerator market. The MI300A is a data center compute module built for massive parallel workloads, while the LX 7G100 is a dual-slot graphics card with display outputs aimed at conventional workstation use. The recorded data shows the MI300A delivers 3.3 times the FP32 throughput of the LX 7G100 (81.72 TFLOPS versus 24.58 TFLOPS) and 13.3 times the FP16 throughput (653.7 TFLOPS versus 49.15 TFLOPS). However, the LX 7G100 supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3, while the MI300A lists no graphics API support at all. Anyone needing rendering or display output must choose the LX 7G100; anyone needing raw compute density should choose the MI300A. The MI300A also carries 16 times the memory capacity (192 GB versus 12 GB) and nearly 24 times the memory bandwidth (10.3 TB/s versus 432.0 GB/s), making it the clear choice for large data sets.

Architecture Differences

The two accelerators use fundamentally different design philosophies. The MI300A is built on CDNA 3.0 architecture with a 5 nm process at TSMC, while the LX 7G100 uses TrueGPU architecture on a 6 nm process, also at TSMC. The MI300A packs 153,000 million transistors on a 1017 mm² die, achieving a transistor density of 150.4 million per mm². The LX 7G100 has unknown transistor count and die size, so density cannot be compared directly.

Memory architecture separates the two clearly. The MI300A uses 192 GB of HBM3 on an 8192-bit bus, producing 10.3 TB/s of bandwidth. The LX 7G100 uses 12 GB of GDDR6 on a 192-bit bus, producing 432.0 GB/s of bandwidth. The MI300A memory clock runs at 2525 MHz with 10.1 Gbps effective, while the LX 7G100 memory runs at 2250 MHz with 18 Gbps effective. The MI300A has no ROPs, reporting 0 MPixel/s pixel rate, which confirms it is not designed for rasterization. The LX 7G100 has 96 ROPs and a 192.0 GPixel/s pixel rate.

Compute unit counts also differ dramatically. The MI300A has 19,456 shading units, 1,216 TMUs, and no ROPs, delivering a texture rate of 2,553.6 GTexel/s. The LX 7G100 has 6,144 shading units, 192 TMUs, and 96 ROPs, delivering 384.0 GTexel/s. Neither part lists tensor cores or ray tracing cores in the database.

Power and physical design reflect their intended homes. The MI300A is an OAM module with no power connectors, a 750 W TDP, and a suggested PSU of 1150 W. The LX 7G100 is a dual-slot card measuring 294 mm by 120 mm by 49 mm, uses a single 8-pin power connector, has a 225 W TDP, and a suggested PSU of 550 W. The MI300A has no display outputs; the LX 7G100 has 4x DisplayPort 1.4a. The MI300A uses PCIe 5.0 x16, while the LX 7G100 uses PCIe 4.0 x16.

Head-to-Head Benchmarks

The database contains no executed benchmark runs for either part, so all comparisons come from recorded specifications and computed rates.

FP32 performance is the primary compute metric. The MI300A delivers 81.72 TFLOPS, which is 3.3 times the LX 7G100's 24.58 TFLOPS. This gap matters for any single-precision floating point workload, including simulation, scientific computing, and machine learning inference. The LX 7G100 is not slow in absolute terms; 24.58 TFLOPS is a capable amount of compute for a 225 W card. But the MI300A simply operates in a higher performance class.

FP16 performance shows an even wider divide. The MI300A reaches 653.7 TFLOPS using an 8:1 ratio, while the LX 7G100 reaches 49.15 TFLOPS using a 2:1 ratio. The MI300A's FP16 output is 13.3 times higher. The ratio difference indicates the MI300A prioritizes FP16 throughput for AI-style workloads, while the LX 7G100's 2:1 ratio suggests a more balanced approach between precision levels.

Texture throughput favors the MI300A by 6.7 times. The MI300A processes 2,553.6 GTexel/s versus 384.0 GTexel/s for the LX 7G100. This metric matters for compute workloads that sample textures or structured grids, though neither part appears primarily designed for gaming.

Pixel throughput only exists for the LX 7G100. The MI300A reports 0 MPixel/s with no ROPs, confirming it cannot rasterize. The LX 7G100 produces 192.0 GPixel/s, which is a standard figure for a workstation card with 96 ROPs.

Memory bandwidth gives the MI300A a 23.8 times advantage. The 10.3 TB/s of HBM3 bandwidth dwarfs the 432.0 GB/s of GDDR6 bandwidth. For workloads that are memory-bound, such as large matrix operations or data analytics, this difference can be more important than raw FLOP counts. The MI300A can feed its compute units at a much higher rate.

Both parts sit at the 50th percentile in the database's all-GPU ranking, and both have an average benchmark score of zero, reflecting the absence of executed tests. The nearest rivals lists are empty for both items, so no direct percentile comparisons to specific competing models can be made from the recorded data.

FAQ

Q: Which accelerator has higher FP32 compute performance?

A: The AMD Radeon Instinct MI300A delivers 81.72 TFLOPS FP32, which is 3.3 times the 24.58 TFLOPS of the Lisuan Tech LX 7G100.

Q: Can the MI300A output video to displays?

A: No. The MI300A has no display outputs and reports 0 MPixel/s pixel rate with no ROPs. The LX 7G100 has 4x DisplayPort 1.4a outputs and a 192.0 GPixel/s pixel rate.

Q: How do the memory subsystems compare?

A: The MI300A uses 192 GB of HBM3 on an 8192-bit bus with 10.3 TB/s bandwidth. The LX 7G100 uses 12 GB of GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth. The MI300A has 16 times the capacity and approximately 23.8 times the bandwidth.

Q: Which accelerator supports modern graphics APIs?

A: Only the LX 7G100 supports graphics APIs. It lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The MI300A has no API entries in the database.

Q: What are the power requirements for each card?

A: The MI300A has a 750 W TDP with no power connectors and a suggested PSU of 1150 W. The LX 7G100 has a 225 W TDP with one 8-pin power connector and a suggested PSU of 550 W.

Q: What is the physical form factor of each accelerator?

A: The MI300A is an OAM module with no specified dimensions. The LX 7G100 is a dual-slot card measuring 294 mm in length, 120 mm in height, and 49 mm in width.

Where Each One Wins

The MI300A wins in every compute-heavy category recorded in the database. FP32 throughput is 3.3 times higher, FP16 throughput is 13.3 times higher, texture rate is 6.7 times higher, memory capacity is 16 times larger, and memory bandwidth is approximately 23.8 times higher. The MI300A also uses a newer PCIe interface at 5.0 x16 versus the LX 7G100's PCIe 4.0 x16. Its 5 nm process node gives it a manufacturing advantage over the LX 7G100's 6 nm node. For large-scale scientific computing, AI training, and data center workloads where memory capacity and bandwidth dominate, the MI300A is the appropriate choice.

The LX 7G100 wins in areas where the MI300A has no capability. It provides display outputs through 4x DisplayPort 1.4a, enabling direct monitor connection. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3, making it usable for rendering and graphics applications. Its pixel rate of 192.0 GPixel/s and 96 ROPs confirm rasterization ability. The LX 7G100 also requires far less power at 225 W versus 750 W, uses a standard dual-slot form factor with a single 8-pin connector, and fits in conventional PCIe 4.0 systems. Its 12 GB GDDR6 memory is suitable for moderate workloads, and its 49.15 TFLOPS FP16 output still provides useful compute for lighter AI tasks.

The release dates also separate their purposes. The MI300A launched on 2023-12-05 and the LX 7G100 is dated 2026-06-17, with the LX 7G100 listed as having active production status while the MI300A has no production status recorded. Neither part has a launch MSRP in the database.

Specification Differences

The two accelerators differ across every major specification category in the database.

Process and die: The MI300A uses a 5 nm TSMC process with 153,000 million transistors on a 1017 mm² die. The LX 7G100 uses a 6 nm TSMC process with unknown transistor count and die size.

Clocks: The MI300A has a base clock of 1000 MHz and a boost clock of 2100 MHz. The LX 7G100 has no base or boost clock recorded. Memory clocks differ as well: the MI300A runs at 2525 MHz with 10.1 Gbps effective, the LX 7G100 at 2250 MHz with 18 Gbps effective.

Memory: The MI300A has 192 GB HBM3 on an 8192-bit bus with 10.3 TB/s bandwidth. The LX 7G100 has 12 GB GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth.

Compute units: The MI300A has 19,456 shading units, 1,216 TMUs, and 0 ROPs. The LX 7G100 has 6,144 shading units, 192 TMUs, and 96 ROPs.

Rates: The MI300A delivers 0 MPixel/s pixel rate, 2,553.6 GTexel/s texture rate, 81.72 TFLOPS FP32, and 653.7 TFLOPS FP16 (8:1). The LX 7G100 delivers 192.0 GPixel/s pixel rate, 384.0 GTexel/s texture rate, 24.58 TFLOPS FP32, and 49.15 TFLOPS FP16 (2:1).

Power and cooling: The MI300A has a 750 W TDP, is an OAM module, has no power connectors, and suggests a 1150 W PSU. The LX 7G100 has a 225 W TDP, is dual-slot, uses one 8-pin connector, and suggests a 550 W PSU.

Interface and outputs: The MI300A uses PCIe 5.0 x16 and has no display outputs. The LX 7G100 uses PCIe 4.0 x16 and has 4x DisplayPort 1.4a.

APIs: The MI300A has no DirectX, OpenGL, or Vulkan support listed. The LX 7G100 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3.

Dimensions: The MI300A has no dimensions recorded. The LX 7G100 measures 294 mm by 120 mm by 49 mm.

Release and status: The MI300A released 2023-12-05 with no production status. The LX 7G100 releases 2026-06-17 with active production status.