AMD Instinct MI325X vs Lisuan Tech LX 7G100 Comparison

The Verdict

The recorded data positions the AMD Instinct MI325X and the Lisuan Tech LX 7G100 in entirely different segments of the accelerator market. The MI325X is a compute-optimized data center module built for massive parallel workloads, while the LX 7G100 is a conventional dual-slot graphics card with display outputs and standard API support. The MI325X dominates in raw compute throughput and memory capacity, but the LX 7G100 offers a complete, self-contained package with modern graphics APIs and a much lower power envelope. The data indicates the MI325X is the choice for server-side AI training and high-performance computing, whereas the LX 7G100 suits workstation or edge deployments requiring a full GPU feature set with video outputs. Neither part competes directly with the other; the MI325X has no display outputs and the LX 7G100 lacks the memory subsystem for the MI325X's target workloads.

FAQ

Q: Which accelerator has the higher FP32 compute throughput?

A: The AMD Instinct MI325X delivers 81.72 TFLOPS FP32, which is more than triple the Lisuan Tech LX 7G100's 24.58 TFLOPS.

Q: What is the memory capacity difference between the two?

A: The MI325X offers 256 GB of HBM3e memory, while the LX 7G100 provides 12 GB of GDDR6. The MI325X's capacity is over 21 times larger.

Q: Do both cards support modern graphics APIs?

A: No. The LX 7G100 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The MI325X reports N/A for DirectX, OpenGL, and Vulkan, meaning it is not designed for conventional graphics rendering.

Q: Which product has a higher memory bandwidth?

A: The MI325X records 6.14 TB/s bandwidth from its 8192-bit bus, compared to the LX 7G100's 432.0 GB/s from a 192-bit bus. The MI325X's bandwidth is roughly 14 times higher.

Q: What are the power requirements for each product?

A: The MI325X has a 1000 W TDP with a suggested PSU of 1400 W, while the LX 7G100 has a 225 W TDP with a suggested PSU of 550 W.

Q: Which card has display outputs?

A: The LX 7G100 has 4x DisplayPort 1.4a outputs. The MI325X has no display outputs.

Architecture Differences

The MI325X uses the Aqua Vanjaram chip built on CDNA 3.0 architecture, fabricated by TSMC on a 5 nm process. The die contains 153,000 million transistors on a 1017 mm² package, yielding a transistor density of 150.4M per mm². The LX 7G100 uses the 7G106 chip on a 6 nm process, also from TSMC, but its transistor count and die size are not recorded. The MI325X is classified under the Instinct (MIx) generation, while the LX 7G100 belongs to the 7G100 generation.

The MI325X employs a streaming multiprocessor layout with 19,456 shading units, 1,216 texture mapping units, and no ROPs, giving it a 0 MPixel/s pixel rate. Its texture rate is 2,553.6 GTexel/s. The LX 7G100 has 6,144 shading units, 192 TMUs, and 96 ROPs, producing a 192.0 GPixel/s pixel rate and a 384.0 GTexel/s texture rate. The MI325X has no dedicated ray tracing cores or tensor cores listed, while the LX 7G100 also lacks those entries.

Memory architecture is fundamentally different. The MI325X uses 256 GB of HBM3e across an 8192-bit bus, achieving 6.14 TB/s bandwidth. The LX 7G100 uses 12 GB of GDDR6 on a 192-bit bus, reaching 432.0 GB/s. The MI325X's memory clock is 1500 MHz with 6 Gbps effective, whereas the LX 7G100's memory clock is 2250 MHz with 18 Gbps effective. The MI325X supports FP16 at a 1:1 ratio with FP32, both at 81.72 TFLOPS. The LX 7G100 delivers FP16 at a 2:1 ratio, reaching 49.15 TFLOPS versus its 24.58 TFLOPS FP32.

The MI325X is an OAM module with no power connectors and no display outputs. The LX 7G100 is a dual-slot card, 294 mm long, 120 mm high, and 49 mm wide, with one 8-pin power connector and four DisplayPort 1.4a outputs. The MI325X uses a PCIe 5.0 x16 interface, while the LX 7G100 uses PCIe 4.0 x16. The MI325X's production status is not recorded; the LX 7G100 is listed as Active. The MI325X's release date is 2024-10-09, and the LX 7G100's release date is 2026-06-17.

Specification Differences

The two accelerators differ in nearly every recorded specification. The MI325X is a 5 nm part with a 1017 mm² die and 153,000 million transistors; the LX 7G100 is a 6 nm part with unknown die size and transistor count. The MI325X has no base or boost clock recorded, while the LX 7G100 also lacks clock entries; only memory clocks differ: 1500 MHz / 6 Gbps effective for the MI325X versus 2250 MHz / 18 Gbps effective for the LX 7G100.

Memory size: 256 GB HBM3e versus 12 GB GDDR6. Bus width: 8192 bit versus 192 bit. Bandwidth: 6.14 TB/s versus 432.0 GB/s. Shading units: 19,456 versus 6,144. TMUs: 1,216 versus 192. ROPs: 0 versus 96. Pixel rate: 0 MPixel/s versus 192.0 GPixel/s. Texture rate: 2,553.6 GTexel/s versus 384.0 GTexel/s. FP32: 81.72 TFLOPS versus 24.58 TFLOPS. FP16: 81.72 TFLOPS (1:1) versus 49.15 TFLOPS (2:1). TDP: 1000 W versus 225 W. Slot width: OAM module versus dual-slot. Power connectors: none versus 1x 8-pin. Suggested PSU: 1400 W versus 550 W. Bus interface: PCIe 5.0 x16 versus PCIe 4.0 x16. Display outputs: none versus 4x DisplayPort 1.4a. APIs: N/A versus DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.3. Dimensions: not recorded for the MI325X; the LX 7G100 is 294 mm by 120 mm by 49 mm. Release dates: 2024-10-09 versus 2026-06-17. The MI325X's predecessor is Radeon Instinct; the LX 7G100 has no predecessor listed.

Head-to-Head Benchmarks

The database contains no recorded benchmark scores for either accelerator, and the head-to-head benchmark array is empty. Both products show an average benchmark score of 0 and a percentile rank of 50 against all GPUs. The win counts for each side are both zero. This absence of measured data means the comparison must rely entirely on the specification differences provided.

The most decisive specification gap is FP32 compute. The MI325X delivers 81.72 TFLOPS, which is 3.3 times the LX 7G100's 24.58 TFLOPS. In FP16, the MI325X again leads with 81.72 TFLOPS against the LX 7G100's 49.15 TFLOPS, a 66% advantage. Memory bandwidth favors the MI325X at 6.14 TB/s versus 432.0 GB/s, a 14.2 times difference. Memory capacity favors the MI325X at 256 GB versus 12 GB, a 21.3 times difference. The LX 7G100 counters in pixel throughput: 192.0 GPixel/s versus 0 MPixel/s for the MI325X, reflecting the MI325X's lack of ROPs. Texture rate favors the MI325X at 2,553.6 GTexel/s versus 384.0 GTexel/s, a 6.65 times margin.

The LX 7G100 wins on power efficiency by specification, with a 225 W TDP versus the MI325X's 1000 W TDP. The LX 7G100 also provides display outputs and full graphics API support, which the MI325X entirely lacks. The LX 7G100 uses PCIe 4.0 x16, while the MI325X uses PCIe 5.0 x16, giving the MI325X a newer interface generation.

Where Each One Wins

The AMD Instinct MI325X is the clear winner for compute-heavy, memory-bound workloads. Its 256 GB HBM3e pool and 6.14 TB/s bandwidth enable large model training and inference tasks that exceed the 12 GB capacity of the LX 7G100. The 81.72 TFLOPS FP32 throughput, matched at FP16 with a 1:1 ratio, delivers consistent performance for scientific simulation and AI workloads that rely on FP32 or FP16 arithmetic. The 2,553.6 GTexel/s texture rate and PCIe 5.0 x16 interface further support data-dense operations. The MI325X's 5 nm process and 153,000 million transistors on a 1017 mm² die indicate a design focused entirely on raw parallel throughput, not on rendering or user interaction.

The Lisuan Tech LX 7G100 wins for conventional graphics and workstation use. Its 192.0 GPixel/s pixel rate, 96 ROPs, and 384.0 GTexel/s texture rate provide a complete rasterization pipeline. The 4x DisplayPort 1.4a outputs allow direct display connectivity, which the MI325X cannot offer. Support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.3 makes the LX 7G100 compatible with standard graphics software stacks. Its 225 W TDP and single 8-pin power connector fit into standard desktop or workstation builds, with a suggested PSU of 550 W. The dual-slot form factor and recorded dimensions (294 mm length, 120 mm height, 49 mm width) make it a physically installable card in typical chassis. Its 12 GB GDDR6 memory and 432.0 GB/s bandwidth are sufficient for mid-range rendering tasks, and the 49.15 TFLOPS FP16 throughput with a 2:1 ratio offers accelerated compute for applications that can use reduced precision.

The 6 nm process for the LX 7G100, paired with a 192-bit memory bus, targets a balanced workload profile rather than extreme scale. The MI325X, with no display outputs and an OAM module form factor, is not a graphics card in the conventional sense; it is a compute accelerator for server racks. The LX 7G100, with its Active production status and later release date of 2026-06-17, represents a newer general-purpose offering. The MI325X, released 2024-10-09, is the older but far more powerful compute part. Each accelerator wins in its intended domain: the MI325X for massive parallel compute, the LX 7G100 for interactive graphics and standard API compatibility.