NVIDIA GeForce RTX 4050 Max-Q vs Lisuan Tech LX ULTRA Comparison

FAQ

Q: What are the core specifications of the NVIDIA GeForce RTX 4050 Max-Q?

A: The RTX 4050 Max-Q uses the AD107 chip on a 5 nm process from TSMC, with 18,900 million transistors on a 159 mm² die. It features 2560 shading units, 80 TMUs, 48 ROPs, 20 RT cores, and 80 tensor cores. Memory is 6 GB GDDR6 on a 96-bit bus, with 192.0 GB/s bandwidth and a boost clock of 1605 MHz.

Q: What are the core specifications of the Lisuan Tech LX ULTRA?

A: The LX ULTRA uses the 7G105 chip on a 6 nm process from TSMC, with 6144 shading units, 192 TMUs, and 96 ROPs. It has 24 GB GDDR6 on a 192-bit bus, delivering 432.0 GB/s of bandwidth. The memory clock is 2250 MHz with 18 Gbps effective speed.

Q: Which GPU has higher raw compute performance?

A: The LX ULTRA delivers 24.58 TFLOPS of FP32 performance, nearly three times the RTX 4050 Max-Q's 8.218 TFLOPS. For FP16, the LX ULTRA reaches 49.15 TFLOPS (2:1 ratio), while the RTX 4050 Max-Q achieves 8.218 TFLOPS (1:1 ratio).

Q: What are the power and physical requirements for each card?

A: The RTX 4050 Max-Q has a 35 W TDP, uses no power connectors, and is listed as an IGP (integrated graphics processor) with portable-device-dependent display outputs. The LX ULTRA has a 225 W TDP, requires a single 16-pin connector, suggests a 550 W PSU, and is a dual-slot card measuring 268 mm in length.

Q: Which GPU has more memory and bandwidth?

A: The LX ULTRA offers 24 GB GDDR6 on a 192-bit bus with 432.0 GB/s bandwidth, four times the memory capacity and more than double the bandwidth of the RTX 4050 Max-Q's 6 GB on a 96-bit bus at 192.0 GB/s.

Q: What API support do the two GPUs have?

A: Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The RTX 4050 Max-Q supports Vulkan 1.4, while the LX ULTRA supports Vulkan 1.3.

Where Each One Wins

The RTX 4050 Max-Q is designed for constrained power envelopes. Its 35 W TDP and lack of external power connectors make it suitable for thin, portable systems where the LX ULTRA's 225 W TDP and dual-slot cooler would be impossible to accommodate. The RTX 4050 Max-Q also holds a newer Vulkan version (1.4 vs 1.3), which may benefit applications that rely on the latest Vulkan extensions.

The LX ULTRA wins decisively in every compute and memory metric. Its FP32 throughput of 24.58 TFLOPS is exactly three times the RTX 4050 Max-Q's 8.218 TFLOPS. The texture rate of 384.0 GTexel/s versus 128.4 GTexel/s, and pixel rate of 192.0 GPixel/s versus 77.04 GPixel/s, show the LX ULTRA is built for rasterization-heavy workloads. Memory bandwidth at 432.0 GB/s enables high-resolution textures and large datasets that the 6 GB frame buffer of the RTX 4050 Max-Q cannot hold.

The interface width also favors the LX ULTRA: PCIe 4.0 x16 versus PCIe 4.0 x8 on the RTX 4050 Max-Q. For tasks that stream data from system memory, the x16 link provides double the bandwidth. The LX ULTRA's 24 GB memory capacity allows for massive scene complexity, while the RTX 4050 Max-Q's 6 GB is suited for lighter workloads.

Architecture Differences

The RTX 4050 Max-Q is built on Ada Lovelace architecture using the AD107 chip, fabricated on a 5 nm process. It includes dedicated RT cores (20) and tensor cores (80), which are absent from the LX ULTRA's specification sheet. The LX ULTRA uses the TrueGPU architecture with the 7G105 chip on a 6 nm process. The RTX 4050 Max-Q has a transistor density of 118.9M per mm², while the LX ULTRA's transistor count and die size are listed as unknown.

The FP16 execution differs significantly. The RTX 4050 Max-Q runs FP16 at a 1:1 ratio with FP32 (8.218 TFLOPS each), meaning no dedicated half-precision acceleration. The LX ULTRA runs FP16 at a 2:1 ratio, delivering 49.15 TFLOPS, which indicates a specialized half-precision path that can double throughput.

The RTX 4050 Max-Q belongs to the GeForce 40 Mobile generation, with a predecessor in GeForce 30 Mobile and a successor in GeForce 50 Mobile. The LX ULTRA is from the 7G100 generation with no listed predecessor or successor. The RTX 4050 Max-Q was released on 2023-01-02, while the LX ULTRA has a release date of 2026-03-16.

Specification Differences

| Specification | NVIDIA GeForce RTX 4050 Max-Q | Lisuan Tech LX ULTRA |

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

| Chip | AD107 | 7G105 |

| Architecture | Ada Lovelace | TrueGPU |

| Process Node | 5 nm | 6 nm |

| Transistors | 18,900 million | unknown |

| Die Size | 159 mm² | unknown |

| Base Clock | 1140 MHz | null |

| Boost Clock | 1605 MHz | null |

| Memory Clock | 2000 MHz, 16 Gbps effective | 2250 MHz, 18 Gbps effective |

| Memory Size | 6 GB | 24 GB |

| Memory Bus | 96 bit | 192 bit |

| Bandwidth | 192.0 GB/s | 432.0 GB/s |

| Shading Units | 2560 | 6144 |

| TMUs | 80 | 192 |

| ROPs | 48 | 96 |

| RT Cores | 20 | null |

| Tensor Cores | 80 | null |

| Pixel Rate | 77.04 GPixel/s | 192.0 GPixel/s |

| Texture Rate | 128.4 GTexel/s | 384.0 GTexel/s |

| FP32 | 8.218 TFLOPS | 24.58 TFLOPS |

| FP16 | 8.218 TFLOPS (1:1) | 49.15 TFLOPS (2:1) |

| TDP | 35 W | 225 W |

| Slot Width | IGP | Dual-slot |

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

| Suggested PSU | null | 550 W |

| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |

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

| Vulkan | 1.4 | 1.3 |

| Dimensions | null | 268 mm x 112 mm x 40 mm |

| Release Date | 2023-01-02 | 2026-03-16 |

Head-to-Head Benchmarks

The database shows no recorded benchmark scores for either GPU in the head-to-head comparison, and both have an average benchmark score of 0. However, the specification data provides clear performance indicators that can be compared directly.

The single most dominant win for the LX ULTRA is FP32 compute. At 24.58 TFLOPS, it is exactly three times the RTX 4050 Max-Q's 8.218 TFLOPS. This translates to a 200% advantage in raw shader throughput. For FP16, the gap widens further: 49.15 TFLOPS versus 8.218 TFLOPS, a 5.98x difference. Applications that leverage FP16 (such as certain AI inference and graphics post-processing) would see a massive advantage on the LX ULTRA.

Memory bandwidth is another decisive metric. The LX ULTRA's 432.0 GB/s is 2.25 times the RTX 4050 Max-Q's 192.0 GB/s. The memory bus width difference (192 bit versus 96 bit) and memory capacity difference (24 GB versus 6 GB) mean the LX ULTRA can handle far larger working sets and higher-resolution textures without spilling to system memory.

The texture and pixel rates follow the same pattern. The LX ULTRA's 384.0 GTexel/s is 2.99 times the RTX 4050 Max-Q's 128.4 GTexel/s. The pixel rate of 192.0 GPixel/s versus 77.04 GPixel/s gives the LX ULTRA a 2.49x advantage in fill-rate-bound scenarios.

The RTX 4050 Max-Q holds a few specification advantages. Its boost clock of 1605 MHz is higher than the LX ULTRA's null boost clock (though the LX ULTRA's base and boost clocks are not listed, so a direct clock comparison is impossible). The RTX 4050 Max-Q also has a smaller die (159 mm² versus unknown) and a more advanced process node (5 nm versus 6 nm), which may yield better transistor density. The Vulkan 1.4 support is a generation ahead of the LX ULTRA's Vulkan 1.3.

The power envelope difference is stark: 35 W versus 225 W. The RTX 4050 Max-Q uses 15.6% of the power of the LX ULTRA, which means the RTX 4050 Max-Q can operate in systems where the LX ULTRA would be physically and thermally impossible.

The Verdict

The data points to two completely different use cases. The RTX 4050 Max-Q is a low-power, integrated-class GPU for portable devices. Its 35 W TDP, lack of power connectors, and IGP slot width mean it fits into thin laptops where battery life and thermals are critical. Its 6 GB memory and 192.0 GB/s bandwidth are sufficient for mainstream gaming at moderate settings, but its 8.218 TFLOPS FP32 and 77.04 GPixel/s pixel rate limit it to less demanding workloads.

The LX ULTRA is a high-performance, dual-slot discrete card. Its 225 W TDP and 550 W suggested PSU indicate it is intended for desktop systems with robust power delivery. The 24 GB memory, 432.0 GB/s bandwidth, and 24.58 TFLOPS FP32 make it suitable for large-scale rendering, complex simulations, or any workload that needs massive memory capacity and compute throughput. The 4x DisplayPort 1.4a outputs also point toward multi-display professional use.

For a portable, power-constrained environment, the RTX 4050 Max-Q is the only viable option based on the recorded data. For any performance-intensive task where power and space are not constraints, the LX ULTRA dominates in every measurable compute, memory, and throughput metric.

The absence of RT cores and tensor cores on the LX ULTRA's specification sheet means ray tracing and tensor-accelerated workloads would rely on the RTX 4050 Max-Q's dedicated hardware (20 RT cores and 80 tensor cores), but the raw compute advantage of the LX ULTRA may compensate in non-DXR workloads. Users requiring Vulkan 1.4 features should choose the RTX 4050 Max-Q.

Both GPUs have a percentile rank of 50 against all GPUs, and neither has recorded benchmark scores or nearest rivals in the database. The decision rests entirely on the specification differences: the RTX 4050 Max-Q for efficiency and portability, the LX ULTRA for absolute performance and memory capacity.