NVIDIA B300 vs Lisuan Tech LX ULTRA Comparison

Head-to-Head Benchmarks

The recorded data shows no direct head-to-head benchmark results for the NVIDIA B300 and Lisuan Tech LX ULTRA. The database contains no comparative scores, no win counts, and no percentile deltas between the two parts. This absence of measured results means the comparison must rest entirely on the specification sheets and architectural characteristics recorded in the database. Both cards sit at the 50th percentile among all GPUs in the database, indicating that neither has a substantial body of benchmark submissions to establish a meaningful performance rank.

The NVIDIA B300 delivers a FP32 compute rating of 76.99 TFLOPS, while the Lisuan Tech LX ULTRA delivers 24.58 TFLOPS. That places the B300 roughly 3.13 times ahead in raw single-precision floating-point throughput. In FP16 workloads, the gap widens dramatically: the B300 lists 1,231.8 TFLOPS under a 16:1 ratio, whereas the LX ULTRA lists 49.15 TFLOPS under a 2:1 ratio. The B300 achieves approximately 25 times the FP16 throughput, though the different ratio conventions mean these figures are not directly comparable without accounting for the arithmetic mode. Still, the recorded numbers show a massive disparity in compute capacity.

Memory bandwidth tells a similar story. The B300 uses 144 GB of HBM3e across a 4096-bit bus, yielding 4.10 TB/s of bandwidth. The LX ULTRA uses 24 GB of GDDR6 across a 192-bit bus, yielding 432.0 GB/s. The B300 offers roughly 9.5 times the memory bandwidth and 6 times the memory capacity. The B300 also runs its memory at 8 Gbps effective, while the LX ULTRA runs at 18 Gbps effective, but the LX ULTRA's narrower bus limits its total throughput.

Texture and pixel rates split the other way. The LX ULTRA posts a pixel rate of 192.0 GPixel/s, which is 3.94 times the B300's 48.77 GPixel/s. The LX ULTRA also has a higher ROP count at 96 versus 24 for the B300. The B300 counters with a texture rate of 1,202.9 GTexel/s, which is 3.13 times the LX ULTRA's 384.0 GTexel/s, supported by 592 TMUs against 192. The B300's shading unit count of 18,944 is roughly 3.08 times the LX ULTRA's 6,144.

Clock speeds differ substantially. The B300 has a base clock of 1665 MHz and a boost clock of 2032 MHz. The LX ULTRA has no recorded base or boost clocks in the database, so no comparison is possible on that axis. The B300's boost clock is 22% higher than its base clock, a modest margin for a server module. The LX ULTRA's lack of clock data leaves its frequency behavior undocumented.

Where Each One Wins

The NVIDIA B300 wins decisively in compute-heavy workloads. Its FP32 output of 76.99 TFLOPS and FP16 output of 1,231.8 TFLOPS position it for large-scale matrix math, AI training, and scientific simulation. The 4.10 TB/s memory bandwidth and 144 GB HBM3e capacity support massive datasets that would exceed the LX ULTRA's 24 GB GDDR6 pool. The B300's 592 tensor cores provide dedicated hardware for tensor operations, a feature entirely absent from the LX ULTRA's specification sheet. The B300 also uses PCIe 5.0 x16, doubling the per-lane bandwidth of the LX ULTRA's PCIe 4.0 x16 interface, which matters for data transfer between the GPU and host system.

The Lisuan Tech LX ULTRA wins in rasterization throughput. Its 192.0 GPixel/s pixel rate is nearly four times the B300's, and its 96 ROPs are four times the B300's 24. This gives the LX ULTRA a clear advantage in fill-rate-bound scenarios, such as high-resolution rendering with heavy overdraw. The LX ULTRA's 18 Gbps effective memory speed is more than double the B300's 8 Gbps, though the narrower bus limits the practical benefit. The LX ULTRA also has display outputs: 4x DisplayPort 1.4a, while the B300 has no outputs at all. The LX ULTRA is a dual-slot card with a 1x 16-pin power connector, whereas the B300 is an SXM module with no user-facing power connector listed.

The B300's 592 tensor cores give it a categorical edge in AI inference and training. The LX ULTRA lists no tensor cores, so any tensor-accelerated workload falls entirely to the B300. The B300's 1,231.8 TFLOPS FP16 figure, even accounting for the 16:1 ratio, dwarfs the LX ULTRA's 49.15 TFLOPS at 2:1. The B300's 5 nm process node from TSMC is one generation ahead of the LX ULTRA's 6 nm node, which contributes to the B300's higher transistor count of 104,000 million versus the LX ULTRA's unknown count. The B300 uses 592 TMUs against 192, giving it a 3.08 times texture fill advantage.

The LX ULTRA has API support that the B300 lacks. The LX ULTRA lists DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The B300 has no recorded API support, consistent with its server-oriented design and lack of display outputs. For any graphics application requiring these APIs, the LX ULTRA is the only option of the two.

The Verdict

The data shows two entirely different products aimed at different workloads. The NVIDIA B300 is a server compute module with 76.99 TFLOPS FP32, 1,231.8 TFLOPS FP16, 144 GB HBM3e, and 4.10 TB/s bandwidth. It has no display outputs, no API support, no power connectors, and a 1400 W TDP with an 1800 W suggested PSU. It is an SXM module, meaning it requires a server chassis designed for that form factor. Its 24 ROPs and 48.77 GPixel/s pixel rate are low for graphics work.

The Lisuan Tech LX ULTRA is a client graphics card with 24.58 TFLOPS FP32, 192.0 GPixel/s pixel rate, 24 GB GDDR6, and 432.0 GB/s bandwidth. It has 4x DisplayPort 1.4a outputs, DirectX 12 Ultimate support, Vulkan 1.3, a dual-slot cooler, a 1x 16-pin power connector, and a 225 W TDP with a 550 W suggested PSU. It measures 268 mm in length, 112 mm in height, and 40 mm in width.

The B300 should be selected for compute workloads where FP32 and FP16 throughput, memory capacity, and bandwidth are the limiting factors. The LX ULTRA should be selected for graphics rendering and display output where pixel fill rate and API compatibility matter. The B300's 592 tensor cores give it a capability the LX ULTRA cannot match. The LX ULTRA's 96 ROPs give it a rasterization capability the B300 cannot match. Neither part outperforms the other across the board. The choice reduces to workload type: server-side compute versus client-side graphics.

The B300's 104,000 million transistors on a 5 nm TSMC process indicate a much larger and more complex die than the LX ULTRA, whose transistor count is unknown. The B300's architecture is Blackwell Ultra with chip GB110, while the LX ULTRA uses TrueGPU architecture with chip 7G105. The B300 belongs to the Server Blackwell generation, while the LX ULTRA belongs to the 7G100 generation. The B300's predecessor is Server Hopper and its successor is Server Rubin, while the LX ULTRA has no recorded predecessor or successor. The B300 was released on 2025-09-10, and the LX ULTRA on 2026-03-16, making the LX ULTRA the later release by roughly six months.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The NVIDIA B300 delivers 76.99 TFLOPS FP32, while the Lisuan Tech LX ULTRA delivers 24.58 TFLOPS. The B300 is approximately 3.13 times ahead.

Q: Which GPU has more memory bandwidth?

A: The NVIDIA B300 has 4.10 TB/s bandwidth from 144 GB HBM3e on a 4096-bit bus. The Lisuan Tech LX ULTRA has 432.0 GB/s from 24 GB GDDR6 on a 192-bit bus. The B300 is roughly 9.5 times ahead.

Q: Which GPU has higher pixel fill rate?

A: The Lisuan Tech LX ULTRA has 192.0 GPixel/s, while the NVIDIA B300 has 48.77 GPixel/s. The LX ULTRA is approximately 3.94 times ahead.

Q: Does either GPU support display outputs?

A: Only the Lisuan Tech LX ULTRA has display outputs, with 4x DisplayPort 1.4a. The NVIDIA B300 has no outputs.

Q: Which GPU has tensor cores?

A: Only the NVIDIA B300 lists tensor cores, with 592. The Lisuan Tech LX ULTRA has no tensor cores recorded.

Q: What are the power requirements?

A: The NVIDIA B300 has a 1400 W TDP and suggests an 1800 W PSU. The Lisuan Tech LX ULTRA has a 225 W TDP and suggests a 550 W PSU.

Architecture Differences

The NVIDIA B300 uses the GB110 chip built on the Blackwell Ultra architecture, fabricated on a 5 nm process at TSMC. It contains 104,000 million transistors. The Lisuan Tech LX ULTRA uses the 7G105 chip built on the TrueGPU architecture, fabricated on a 6 nm process at TSMC. Its transistor count is unknown. The B300 is part of the Server Blackwell generation, while the LX ULTRA belongs to the 7G100 generation.

Memory architecture diverges sharply. The B300 uses 144 GB of HBM3e across a 4096-bit bus with 4.10 TB/s bandwidth and an 8 Gbps effective memory speed. The LX ULTRA uses 24 GB of GDDR6 across a 192-bit bus with 432.0 GB/s bandwidth and an 18 Gbps effective memory speed. The B300's HBM3e offers roughly 9.5 times the bandwidth and 6 times the capacity, while the LX ULTRA's GDDR6 runs at more than double the effective speed per pin.

Compute resources differ in scale and type. The B300 has 18,944 shading units, 592 TMUs, 24 ROPs, and 592 tensor cores. The LX ULTRA has 6,144 shading units, 192 TMUs, and 96 ROPs, with no tensor cores listed. The B300's FP32 output is 76.99 TFLOPS, its FP16 output is 1,231.8 TFLOPS (16:1), its texture rate is 1,202.9 GTexel/s, and its pixel rate is 48.77 GPixel/s. The LX ULTRA's FP32 output is 24.58 TFLOPS, its FP16 output is 49.15 TFLOPS (2:1), its texture rate is 384.0 GTexel/s, and its pixel rate is 192.0 GPixel/s.

Form factor and interfaces separate the two. The B300 is an SXM module with a PCIe 5.0 x16 bus interface, no display outputs, no power connectors listed, and a 1400 W TDP. The LX ULTRA is a dual-slot card with a PCIe 4.0 x16 bus interface, 4x DisplayPort 1.4a outputs, a 1x 16-pin power connector, and a 225 W TDP. The B300 suggests an 1800 W PSU; the LX ULTRA suggests a 550 W PSU. The LX ULTRA has recorded physical dimensions of 268 mm length, 112 mm height, and 40 mm width; the B300 has no dimensions recorded.

The B300 has no recorded API support. The LX ULTRA supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. Clock behavior differs: the B300 has a base clock of 1665 MHz and a boost clock of 2032 MHz, while the LX ULTRA has no base or boost clocks recorded. The B300's boost clock is 367 MHz above its base clock. The LX ULTRA's memory clock is 2250 MHz, translating to 18 Gbps effective, while the B300's memory clock is 2000 MHz, translating to 8 Gbps effective.

The B300's production status is active, with a release date of 2025-09-10. The LX ULTRA's production status is also active, with a release date of 2026-03-16. The B300 has a recorded predecessor (Server Hopper) and successor (Server Rubin), while the LX ULTRA has neither. The B300's architecture generation is Server Blackwell, and the LX ULTRA's is 7G100. Both parts are listed at the 50th percentile among all GPUs in the database, with no benchmark scores recorded for either.