AMD Radeon RX 7900M vs Lisuan Tech LX 7G100 Comparison

FAQ

Q: How does the AMD Radeon RX 7900M compare to the Lisuan Tech LX 7G100 in overall benchmark standing?

A: The RX 7900M sits in the 94th percentile of all GPUs in the database, with an average benchmark score of 97487. The Lisuan Tech LX 7G100 holds a 50th percentile placement with an average benchmark score of 0, as no benchmark results have been recorded for it.

Q: What are the key architectural differences between the two GPUs?

A: The RX 7900M uses AMD's RDNA 3.0 architecture on a 5 nm TSMC process with the Navi 31 chip, codenamed Plum Bonito. The LX 7G100 uses a TrueGPU architecture on a 6 nm TSMC process with the 7G106 chip, and no codename is listed.

Q: Which GPU has more memory and what are the bandwidth differences?

A: The RX 7900M has 16 GB of GDDR6 memory on a 256-bit bus, delivering 576.0 GB/s bandwidth. The LX 7G100 has 12 GB of GDDR6 on a 192-bit bus, delivering 432.0 GB/s bandwidth. Both run memory at 2250 MHz with 18 Gbps effective speed.

Q: How do the shading unit counts differ between the two cards?

A: The LX 7G100 has more shading units at 6144, compared to the RX 7900M's 4608. However, the RX 7900M has higher TMU and ROP counts: 288 TMUs and 192 ROPs versus 192 TMUs and 96 ROPs for the LX 7G100.

Q: Which GPU has higher raw compute throughput?

A: The RX 7900M delivers 38.52 TFLOPS FP32 and 77.05 TFLOPS FP16 (2:1). The LX 7G100 delivers 24.58 TFLOPS FP32 and 49.15 TFLOPS FP16 (2:1), making the RX 7900M roughly 57% higher in FP32 throughput.

Q: What power and physical differences exist between the two?

A: The RX 7900M has a 180 W TDP, is an IGP with no power connectors, and is portable device dependent for display outputs. The LX 7G100 has a 225 W TDP, uses a dual-slot form factor with a single 8-pin power connector, requires a 550 W suggested PSU, and has 4x DisplayPort 1.4a outputs. Its dimensions are 294 mm length, 120 mm height, and 49 mm width.

Architecture Differences

The RX 7900M is built on the Navi 31 chip using RDNA 3.0 architecture, a 5 nm process from TSMC, with the Plum Bonito codename. It belongs to the Navi Mobile generation within the RX 7000 series. Its transistor count is 57,700 million on a 529 mm² die, yielding a density of 109.1M transistors per mm². The LX 7G100 uses the 7G106 chip under the TrueGPU architecture, fabricated on a 6 nm TSMC process, with no codename or series designation. Transistor count and die size are listed as unknown.

The RX 7900M integrates 72 ray tracing cores, while the LX 7G100 has no ray tracing core count recorded. Shading unit counts favor the LX 7G100 at 6144 versus 4608, but the RX 7900M leads in texture mapping units (288 vs 192) and render output units (192 vs 96). These resource distributions indicate different design priorities: the LX 7G100 emphasizes raw shader throughput, while the RX 7900M allocates more hardware to texture and pixel processing.

Both GPUs share PCIe 4.0 x16 bus interfaces and GDDR6 memory, but the RX 7900M deploys a 256-bit memory bus against the LX 7G100's 192-bit bus. API support differs slightly in Vulkan versions, with the RX 7900M supporting Vulkan 1.4 and the LX 7G100 supporting Vulkan 1.3. Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The RX 7900M's release date is October 2023, while the LX 7G100 carries a June 2026 release date. The RX 7900M lists Polaris Mobile as its predecessor; the LX 7G100 has no predecessor or successor recorded.

Where Each One Wins

The RX 7900M demonstrates clear wins in memory bandwidth and capacity. Its 576.0 GB/s bandwidth exceeds the LX 7G100's 432.0 GB/s by 144 GB/s, and its 16 GB frame buffer provides 4 GB more memory. These factors favor workloads with large textures, high resolutions, and data-intensive compute tasks. The RX 7900M also produces higher pixel and texture rates: 401.3 GPixel/s versus 192.0 GPixel/s, and 601.9 GTexel/s versus 384.0 GTexel/s. These rates indicate a stronger fill-rate profile for rasterization-heavy rendering.

The LX 7G100 wins in shading unit count, with 6144 units versus 4608. This suggests an advantage in workloads that scale with parallel shader execution, though the recorded FP32 throughput of 24.58 TFLOPS remains below the RX 7900M's 38.52 TFLOPS. The LX 7G100 also has a higher TDP envelope at 225 W versus 180 W, and its dual-slot design with a dedicated 8-pin connector and 550 W suggested PSU positions it as a conventional desktop-style card. The RX 7900M's IGP form factor with no power connectors reflects its mobile-oriented design.

The RX 7900M has recorded benchmark data across three tests, including a 3DMark Steel Nomad DX12 score of 4201, a Geekbench OpenCL score of 129499, and a Geekbench Vulkan score of 158760. The LX 7G100 has no recorded benchmark results, so its practical performance cannot be measured from database evidence. The RX 7900M's nearest rivals provide context: it is 0.4% ahead of the AMD Radeon Pro VII, 4.3% behind the NVIDIA Quadro RTX 6000, 5.4% ahead of the AMD Radeon Instinct MI60, and 6.3% ahead of the NVIDIA RTX A4500.

Specification Differences

| Specification | AMD Radeon RX 7900M | Lisuan Tech LX 7G100 |

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

| Architecture | RDNA 3.0 | TrueGPU |

| Process Node | 5 nm | 6 nm |

| Chip | Navi 31 | 7G106 |

| Transistors | 57,700 million | unknown |

| Die Size | 529 mm² | unknown |

| Shading Units | 4608 | 6144 |

| TMUs | 288 | 192 |

| ROPs | 192 | 96 |

| Ray Tracing Cores | 72 | null |

| FP32 | 38.52 TFLOPS | 24.58 TFLOPS |

| FP16 | 77.05 TFLOPS (2:1) | 49.15 TFLOPS (2:1) |

| Pixel Rate | 401.3 GPixel/s | 192.0 GPixel/s |

| Texture Rate | 601.9 GTexel/s | 384.0 GTexel/s |

| Memory Size | 16 GB | 12 GB |

| Memory Bus | 256 bit | 192 bit |

| Memory Bandwidth | 576.0 GB/s | 432.0 GB/s |

| TDP | 180 W | 225 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | 1x 8-pin |

| Suggested PSU | null | 550 W |

| Display Outputs | Portable Device Dependent | 4x DisplayPort 1.4a |

| Vulkan | 1.4 | 1.3 |

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

The memory clock is identical at 2250 MHz with 18 Gbps effective for both. The bus interface matches at PCIe 4.0 x16. Both use GDDR6 memory and maintain Active production status.

Head-to-Head Benchmarks

The database lists no direct head-to-head benchmark entries between the RX 7900M and the LX 7G100, and the LX 7G100 has no individual benchmark scores recorded. The comparison therefore relies on the RX 7900M's measured results and the LX 7G100's published specifications.

The RX 7900M's strongest recorded result is its Geekbench Vulkan score of 158760, followed by a Geekbench OpenCL score of 129499, and a 3DMark Steel Nomad DX12 score of 4201. These figures establish a performance baseline for the RX 7900M but cannot be directly matched against LX 7G100 data due to the absence of its benchmark entries.

In theoretical throughput, the RX 7900M leads by 13.94 TFLOPS in FP32 and 27.90 TFLOPS in FP16. Its pixel rate advantage of 209.3 GPixel/s and texture rate advantage of 217.9 GTexel/s further separate the two. The LX 7G100's higher shading unit count does not translate into higher recorded compute throughput, which suggests its per-unit efficiency or clock behavior differs from the RX 7900M, though base and boost clocks for the LX 7G100 are not listed.

The RX 7900M's memory subsystem provides 144 GB/s more bandwidth and a 64-bit wider bus. In the context of its nearest rivals, the RX 7900M's average score of 97487 places it slightly ahead of the AMD Radeon Pro VII (97131) and the AMD Radeon Instinct MI60 (92466), while trailing the NVIDIA Quadro RTX 6000 (101872) and the NVIDIA RTX A4500 (91671) by 4.3% and 6.3% respectively. These deltas frame the RX 7900M as a mid-to-high tier performer in the database's GPU distribution. The LX 7G100's 50th percentile ranking and zero average score indicate that its classification is provisional until benchmark data is recorded.