AMD Steam Deck OLED GPU vs Lisuan Tech LX MAX Comparison

Where Each One Wins

The AMD Steam Deck OLED GPU and the Lisuan Tech LX MAX occupy completely different performance tiers, and the data makes that split immediately clear. The Steam Deck OLED GPU is a 15 W console part designed for handheld gaming, while the LX MAX is a 225 W desktop add-in board aimed at high-resolution, high-frame-rate workloads.

The Steam Deck OLED GPU wins in efficiency and portability. Its 15 W thermal design power is a fraction of the LX MAX's 225 W envelope, and it fits within a 298 mm by 117 mm by 49 mm chassis that includes the entire handheld device. The LX MAX, by contrast, is a dual-slot card measuring 248 mm by 118 mm by 48 mm, requiring a 550 W suggested power supply and a 16-pin power connector. For users who need a gaming system that fits in a backpack and runs on battery power, the Steam Deck OLED GPU is the only viable option between these two.

The LX MAX wins in raw compute, memory bandwidth, and rasterization throughput. Its FP32 performance of 24.58 TFLOPS is roughly 15 times higher than the Steam Deck OLED GPU's 1.638 TFLOPS. The LX MAX also delivers 432.0 GB/s of memory bandwidth versus 176.0 GB/s for the Steam Deck OLED GPU, a 2.45x advantage. Pixel fill rate favors the LX MAX at 192.0 GPixel/s versus 25.60 GPixel/s, and texture rate is 384.0 GTexel/s versus 51.20 GTexel/s. These are not close contests; they are different classes of hardware.

The Steam Deck OLED GPU has a production status of Active and a release date of November 8, 2023. The LX MAX also shows Active production status with a release date of March 16, 2026. Both parts are currently available in the database, but their intended use cases do not overlap meaningfully.

Architecture Differences

The two GPUs share a foundry and process node: both are built by TSMC on a 6 nm process. That is where the architectural similarities end.

The Steam Deck OLED GPU uses the Sephiroth chip with AMD's RDNA 2.0 architecture. It integrates 2,400 million transistors on a 131 mm² die, yielding a transistor density of 18.3 million per square millimeter. The LX MAX uses the 7G106 chip with an architecture labeled TrueGPU, part of the 7G100 generation. Its transistor count and die size are listed as unknown in the database, so no density comparison is possible.

Compute resources differ drastically. The Steam Deck OLED GPU has 512 shading units, 32 texture mapping units, and 16 raster output units. It includes 8 ray tracing cores. The LX MAX has 6,144 shading units, 192 TMUs, and 96 ROPs, with no ray tracing core count listed. That means the LX MAX has 12 times the shader throughput hardware, 6 times the TMUs, and 6 times the ROPs.

Memory architecture is fundamentally different. The Steam Deck OLED GPU uses 16 GB of LPDDR5 on a 128-bit bus with memory clocked at 1375 MHz, translating to 11 Gbps effective and 176.0 GB/s bandwidth. The LX MAX uses 12 GB of GDDR6 on a 192-bit bus with memory at 2250 MHz, 18 Gbps effective, producing 432.0 GB/s. The LX MAX has a wider bus and faster memory, but less capacity. For texture-heavy workloads, the LX MAX's bandwidth advantage matters far more than the 4 GB capacity deficit.

The Steam Deck OLED GPU lists a base clock of 1000 MHz and a boost clock of 1600 MHz. The LX MAX has no base or boost clock listed in the database, so clock-for-clock comparison is impossible. The LX MAX's FP32 figure of 24.58 TFLOPS is simply the recorded aggregate output.

Both parts support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3. The Steam Deck OLED GPU has a single USB Type-C display output. The LX MAX has 4x DisplayPort 1.4a outputs. The LX MAX connects via PCIe 4.0 x16, while the Steam Deck OLED GPU has no bus interface listed because it is an integrated console part.

Head-to-Head Benchmarks

The database lists no direct head-to-head benchmark results between these two GPUs. The wins column shows zero for both sides, and the average benchmark score is zero for each. This means the comparison must rely on the recorded specification data and derived performance metrics.

The single largest advantage for the LX MAX is FP32 compute. At 24.58 TFLOPS versus 1.638 TFLOPS, the LX MAX delivers 15.0 times the raw floating-point throughput. In practical terms, this translates to substantially higher frame rates in shader-bound scenes, higher geometric complexity, and the ability to drive multiple high-resolution displays simultaneously.

Memory bandwidth shows a 2.45x gap: 432.0 GB/s for the LX MAX versus 176.0 GB/s for the Steam Deck OLED GPU. This matters for texture streaming, large asset loading, and 4K resolution work. The LX MAX's 192-bit bus with 18 Gbps effective GDDR6 is a serious advantage over the 128-bit LPDDR5 implementation in the Steam Deck OLED GPU.

Pixel fill rate is 7.5 times higher on the LX MAX: 192.0 GPixel/s versus 25.60 GPixel/s. Texture fill rate is 7.5 times higher as well: 384.0 GTexel/s versus 51.20 GTexel/s. These figures indicate that the LX MAX can handle much higher resolution rendering and more complex texture filtering without bottlenecking.

The Steam Deck OLED GPU's only numerical advantage is memory capacity (16 GB versus 12 GB) and power consumption (15 W versus 225 W). The 16 GB of LPDDR5 is shared with the CPU in the console design, so the effective GPU-usable memory is less than the full 16 GB. The LX MAX's 12 GB of dedicated GDDR6 is entirely available to the GPU.

Both GPUs sit at the 50th percentile among all GPUs in the database, which is a notable data point. Despite the massive compute gap, the database ranks both as median performers. This suggests the percentile ranking does not weight raw compute alone, or the LX MAX's true performance is limited by other factors not captured in the specification sheet.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The Lisuan Tech LX MAX delivers 24.58 TFLOPS FP32, which is 15.0 times the 1.638 TFLOPS of the AMD Steam Deck OLED GPU.

Q: How does memory bandwidth compare?

A: The LX MAX has 432.0 GB/s from 12 GB of GDDR6 on a 192-bit bus. The Steam Deck OLED GPU has 176.0 GB/s from 16 GB of LPDDR5 on a 128-bit bus. The LX MAX leads by 2.45x.

Q: What is the power consumption difference?

A: The Steam Deck OLED GPU is rated at 15 W TDP. The LX MAX is rated at 225 W TDP and requires a 550 W suggested power supply with a 16-pin connector.

Q: Do both support the same graphics APIs?

A: Yes. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.3.

Q: Which GPU has more shading units?

A: The LX MAX has 6,144 shading units. The Steam Deck OLED GPU has 512 shading units, which is 12 times fewer.

Q: What are the display output options?

A: The Steam Deck OLED GPU has 1x USB Type-C. The LX MAX has 4x DisplayPort 1.4a.

The Verdict

The data supports a straightforward choice based on use case. The AMD Steam Deck OLED GPU is built for portable, battery-powered gaming at modest resolutions. Its 15 W power envelope, 16 GB of LPDDR5, and 1.638 TFLOPS FP32 are sufficient for handheld use. The LX MAX is a desktop-class card for users who need high compute throughput, high memory bandwidth, and multiple display outputs.

For a handheld console replacement, the Steam Deck OLED GPU is the only sensible pick. Its 298 mm length includes the full device, its single USB Type-C output matches the integrated display design, and its 15 W TDP allows extended battery operation. The LX MAX cannot fulfill this role.

For a desktop gaming or workstation system, the LX MAX is the clear choice. The 24.58 TFLOPS FP32, 432.0 GB/s bandwidth, 192.0 GPixel/s pixel rate, and 384.0 GTexel/s texture rate place it in a performance class the Steam Deck OLED GPU cannot approach. The 12 GB GDDR6 is less than the Steam Deck's 16 GB LPDDR5, but the LX MAX's memory is dedicated and substantially faster.

Users who require ray tracing should note that the Steam Deck OLED GPU lists 8 RT cores, while the LX MAX lists none. This does not necessarily mean the LX MAX lacks ray tracing capability, since it supports DirectX 12 Ultimate, but the database records no dedicated RT core count for it. For RT-heavy workloads, the Steam Deck OLED GPU has documented hardware support.

The 50th percentile ranking for both GPUs in the database is curious but not decisive. It may reflect that the Steam Deck OLED GPU is compared against all GPUs including desktop parts, while the LX MAX's 50th percentile could indicate real-world performance below its raw specification suggests, possibly due to driver maturity or thermal constraints.

Specification Differences

| Field | AMD Steam Deck OLED GPU | Lisuan Tech LX MAX |

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

| Architecture | RDNA 2.0 | TrueGPU |

| Process Node | 6 nm | 6 nm |

| Foundry | TSMC | TSMC |

| Transistors | 2,400 million | unknown |

| Die Size | 131 mm² | unknown |

| Transistor Density | 18.3M / mm² | null |

| Base Clock | 1000 MHz | null |

| Boost Clock | 1600 MHz | null |

| Memory Clock | 1375 MHz, 11 Gbps effective | 2250 MHz, 18 Gbps effective |

| Memory Size | 16 GB | 12 GB |

| Memory Type | LPDDR5 | GDDR6 |

| Memory Bus Width | 128 bit | 192 bit |

| Memory Bandwidth | 176.0 GB/s | 432.0 GB/s |

| Shading Units | 512 | 6144 |

| TMUs | 32 | 192 |

| ROPs | 16 | 96 |

| RT Cores | 8 | null |

| Pixel Rate | 25.60 GPixel/s | 192.0 GPixel/s |

| Texture Rate | 51.20 GTexel/s | 384.0 GTexel/s |

| FP32 | 1.638 TFLOPS | 24.58 TFLOPS |

| FP16 | 3.277 TFLOPS (2:1) | 49.15 TFLOPS (2:1) |

| TDP | 15 W | 225 W |

| Slot Width | null | Dual-slot |

| Power Connectors | null | 1x 16-pin |

| Suggested PSU | null | 550 W |

| Bus Interface | null | PCIe 4.0 x16 |

| Display Outputs | 1x USB Type-C | 4x DisplayPort 1.4a |

| Release Date | 2023-11-08 | 2026-03-16 |

| Production Status | Active | Active |