AMD Ryzen Z2 A GPU vs Lisuan Tech LX ULTRA Comparison

FAQ

Q: What are the core specifications of the AMD Ryzen Z2 A GPU?

A: The AMD Ryzen Z2 A GPU is built on TSMC's 7 nm process with a Van Gogh chip using RDNA 2.0 architecture. It features 512 shading units, 32 texture mapping units, 16 render output units, and 8 ray tracing cores. The GPU operates at a base clock of 1000 MHz and a boost clock of 1600 MHz, with memory clocked at 800 MHz (6.4 Gbps effective).

Q: What memory configuration does the Lisuan Tech LX ULTRA use?

A: The Lisuan Tech LX ULTRA is equipped with 24 GB of GDDR6 memory on a 192-bit bus, delivering 432.0 GB/s of bandwidth. Its memory runs at 2250 MHz with an effective speed of 18 Gbps. This is substantially larger and faster than the AMD Ryzen Z2 A GPU's 16 GB LPDDR5 configuration.

Q: How do the two GPUs compare in terms of raw compute performance?

A: The Lisuan Tech LX ULTRA delivers 24.58 TFLOPS of FP32 compute, which is exactly 15 times the 1.638 TFLOPS of the AMD Ryzen Z2 A GPU. In FP16 workloads, the LX ULTRA reaches 49.15 TFLOPS versus 3.277 TFLOPS for the AMD part, both using a 2:1 ratio.

Q: What are the power requirements for each GPU?

A: The AMD Ryzen Z2 A GPU has a TDP of 15 W, making it an extremely low-power solution suitable for compact systems. The Lisuan Tech LX ULTRA, by contrast, has a TDP of 225 W and requires a 550 W power supply. It uses a single 16-pin power connector and occupies a dual-slot form factor.

Q: What display outputs are available on each GPU?

A: The AMD Ryzen Z2 A GPU provides a single USB Type-C output, while the Lisuan Tech LX ULTRA offers four DisplayPort 1.4a connections. The LX ULTRA's multiple outputs make it more suited for multi-monitor configurations.

Q: What API support does each GPU offer?

A: Both GPUs support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The AMD Ryzen Z2 A GPU supports Vulkan 1.4, while the Lisuan Tech LX ULTRA supports Vulkan 1.3. The AMD part has a slightly newer Vulkan implementation.

The Verdict

The data in the database presents two entirely different classes of hardware. The AMD Ryzen Z2 A GPU is a 15 W, 7 nm part with 512 shading units, 16 GB of LPDDR5 memory, and 1.638 TFLOPS of FP32 throughput. The Lisuan Tech LX ULTRA is a 225 W, 6 nm part with 6144 shading units, 24 GB of GDDR6 memory, and 24.58 TFLOPS of FP32 compute.

Benchmark results indicate the Lisuan Tech LX ULTRA should be selected for workloads demanding maximum throughput, high memory bandwidth, and extensive display connectivity. Its 432.0 GB/s bandwidth and 192.0 GPixel/s pixel rate place it in a performance tier far above the AMD part. The LX ULTRA's 24 GB memory capacity also provides headroom for large datasets and high-resolution textures.

The AMD Ryzen Z2 A GPU, however, fits scenarios where power efficiency is paramount. At 15 W TDP, it consumes one-fifteenth the power of the LX ULTRA while still supporting DirectX 12 Ultimate and Vulkan 1.4. Its compact single USB Type-C output and lack of dedicated power connectors suggest integration into handheld or low-profile devices where space and thermal constraints dominate.

The database's percentile ranking places both GPUs at the 50th percentile among all GPUs, indicating they occupy mid-pack positions relative to the broader hardware landscape. Neither device holds a decisive advantage in the percentile metric, but the specification gap between them is enormous.

For users prioritizing raw rendering capability, the Lisuan Tech LX ULTRA is the only rational choice. For users prioritizing mobility, low power draw, or embedded applications, the AMD Ryzen Z2 A GPU delivers adequate performance within a 15 W envelope. The choice hinges entirely on the target use case, not on any ambiguous middle ground.

Head-to-Head Benchmarks

The recorded data shows no direct head-to-head benchmark results between these two GPUs. Instead, the comparison must rely on the specification-level metrics captured in the database.

The most significant performance differentiator is FP32 compute. The Lisuan Tech LX ULTRA produces 24.58 TFLOPS, which represents a 15-fold advantage over the AMD Ryzen Z2 A GPU's 1.638 TFLOPS. This translates directly to faster shader execution, physics calculations, and general-purpose GPU compute tasks.

Memory bandwidth shows an equally lopsided comparison. The LX ULTRA's 432.0 GB/s is more than four times the AMD part's 102.4 GB/s. The 192-bit GDDR6 interface versus the 128-bit LPDDR5 interface explains much of this gap, alongside the LX ULTRA's higher memory clock of 2250 MHz versus 800 MHz.

Pixel fill rate favors the LX ULTRA at 192.0 GPixel/s, compared to 25.60 GPixel/s for the AMD Ryzen Z2 A GPU. This 7.5x difference affects rasterization-heavy workloads such as high-resolution rendering and multi-sample anti-aliasing. Texture rate follows a similar pattern: 384.0 GTexel/s for the LX ULTRA versus 51.20 GTexel/s for the AMD part, a 7.5x gap.

The shading unit count reinforces these results. The Lisuan Tech LX ULTRA packs 6144 shading units, exactly 12 times the AMD Ryzen Z2 A GPU's 512. Texture mapping units number 192 versus 32, and render output units number 96 versus 16, each maintaining a 6x ratio.

The AMD Ryzen Z2 A GPU does hold advantages in select areas. Its Vulkan 1.4 support is newer than the LX ULTRA's Vulkan 1.3. Its 7 nm process node, while larger than the LX ULTRA's 6 nm node, pairs with a 15 W TDP that is dramatically lower than 225 W. The AMD part also lists 2,400 million transistors on a 163 mm² die, whereas the LX ULTRA's transistor count and die size are recorded as unknown.

Ray tracing hardware exists on the AMD Ryzen Z2 A GPU with 8 dedicated RT cores, while the LX ULTRA lists no RT core count in the database. This does not necessarily indicate absence, but the recorded data only confirms ray tracing capability for the AMD part.

Both GPUs share DirectX 12 Ultimate (12_2) and OpenGL 4.6 support, meaning feature-level compatibility for modern games and applications is equivalent on the API front.

Specification Differences

The two GPUs diverge across nearly every recorded specification. Process node differs: the AMD Ryzen Z2 A GPU uses TSMC's 7 nm process, while the Lisuan Tech LX ULTRA uses TSMC's 6 nm process. The AMD part has a disclosed transistor count of 2,400 million and a die size of 163 mm², yielding a transistor density of 14.7 million per square millimeter. The LX ULTRA's transistor count and die size are unknown.

Clock speeds show a mixed picture. The AMD Ryzen Z2 A GPU has a base clock of 1000 MHz and a boost clock of 1600 MHz. The LX ULTRA has no recorded base or boost clocks, only a memory clock of 2250 MHz with 18 Gbps effective speed. The AMD part's memory runs at 800 MHz with 6.4 Gbps effective.

Memory configuration differs fundamentally. The AMD Ryzen Z2 A GPU carries 16 GB of LPDDR5 on a 128-bit bus, achieving 102.4 GB/s. The Lisuan Tech LX ULTRA carries 24 GB of GDDR6 on a 192-bit bus, achieving 432.0 GB/s. The LX ULTRA's bandwidth advantage is 329.6 GB/s.

Core counts scale dramatically. The AMD part has 512 shading units, 32 TMUs, and 16 ROPs. The LX ULTRA has 6144 shading units, 192 TMUs, and 96 ROPs. The AMD part includes 8 RT cores; the LX ULTRA lists none.

Pixel and texture rates follow the core counts. The AMD Ryzen Z2 A GPU achieves 25.60 GPixel/s and 51.20 GTexel/s. The Lisuan Tech LX ULTRA achieves 192.0 GPixel/s and 384.0 GTexel/s.

Power and physical specifications could not be more different. The AMD part consumes 15 W, while the LX ULTRA consumes 225 W. The LX ULTRA requires a 550 W suggested power supply and a single 16-pin connector, occupies a dual-slot design, and measures 268 mm in length, 112 mm in height, and 40 mm in width. The AMD part lists no slot width, power connectors, suggested PSU, or physical dimensions.

Interface and outputs also differ. The LX ULTRA uses PCIe 4.0 x16, while the AMD part lists no bus interface. Display outputs are 1x USB Type-C for the AMD part versus 4x DisplayPort 1.4a for the LX ULTRA.

Release dates place the AMD Ryzen Z2 A GPU at 2024-12-31 and the Lisuan Tech LX ULTRA at 2026-03-16. Both are marked as Active in production status. Neither has a launch MSRP recorded in the database.

Architecture Differences

The AMD Ryzen Z2 A GPU uses the Van Gogh chip with RDNA 2.0 architecture, part of the Console GPU generation for AMD. The Lisuan Tech LX ULTRA uses the 7G105 chip with an architecture labeled TrueGPU, part of the 7G100 generation. These architectural lineages are entirely separate.

The manufacturing process differs by one node step: 7 nm for AMD versus 6 nm for Lisuan Tech, both fabricated by TSMC. The AMD part's die is 163 mm² with 2,400 million transistors. The LX ULTRA's die size and transistor count are unrecorded, preventing density comparisons.

Shading architecture diverges sharply. The AMD RDNA 2.0 design organizes 512 shading units with 32 TMUs and 16 ROPs. The TrueGPU architecture in the LX ULTRA deploys 6144 shading units with 192 TMUs and 96 ROPs. The LX ULTRA's design uses 12 times the shader count, 6 times the TMUs, and 6 times the ROPs.

Ray tracing support is explicitly present in the AMD part with 8 RT cores. The LX ULTRA's database entry lists no RT cores, leaving its ray tracing capability unconfirmed in the recorded data.

Memory architecture reflects different design priorities. The AMD part pairs 16 GB of LPDDR5 with a 128-bit bus, a configuration suited for low-power integrated or embedded use. The LX ULTRA pairs 24 GB of GDDR6 with a 192-bit bus, a configuration built for bandwidth-hungry discrete workloads. The LX ULTRA's memory clock at 2250 MHz substantially exceeds the AMD part's 800 MHz.

Compute pipeline differences manifest in FP32 and FP16 throughput. Both use a 2:1 FP16 to FP32 ratio, but the LX ULTRA's absolute numbers are 15 times higher in each precision. The AMD part delivers 1.638 TFLOPS FP32 and 3.277 TFLOPS FP16; the LX ULTRA delivers 24.58 TFLOPS FP32 and 49.15 TFLOPS FP16.

API support shows minor divergence. Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. Vulkan support differs by one minor version: 1.4 on the AMD part versus 1.3 on the LX ULTRA. This gives the AMD Ryzen Z2 A GPU a slight edge in Vulkan feature availability.

The power envelope differences suggest distinct architectural goals. The 15 W TDP of the AMD part points to a design optimized for battery-powered or passively cooled systems. The 225 W TDP of the LX ULTRA indicates a design prioritizing maximum throughput over efficiency, with active cooling implied by the dual-slot form factor.

The LX ULTRA's use of a 16-pin power connector and 550 W suggested PSU indicates a modern high-power delivery standard. The AMD part's lack of any power connector listing suggests it draws power through its host interface, consistent with its low TDP.

The LX ULTRA's PCIe 4.0 x16 interface provides a high-bandwidth host connection, while the AMD part's bus interface is unrecorded. The LX ULTRA's four DisplayPort 1.4a outputs support multi-monitor setups; the AMD part's single USB Type-C output likely handles both display and data.