AMD Ryzen Z2 A GPU vs AMD Steam Deck OLED GPU Comparison

Head-to-Head Benchmarks

The recorded data shows no benchmark scores for either GPU, as both the AMD Ryzen Z2 A GPU and the AMD Steam Deck OLED GPU return empty benchmark arrays. The head-to-head comparison table is also empty, meaning there are no direct performance measurements to compare. Wins for each side stand at zero, and the average benchmark score for both is zero. This absence of data is itself informative: it indicates that neither part has been subjected to the standard test suite in the database, or that the results have not been recorded.

What can be analyzed from the available facts are the theoretical specifications, which are identical in several key areas. Both GPUs deliver the same FP32 compute of 1.638 TFLOPS, the same FP16 of 3.277 TFLOPS, and the same pixel rate of 25.60 GPixel/s. Texture rate is also identical at 51.20 GTexel/s. The shading unit count matches at 512, as do the texture mapping units at 32 and the render output units at 16. Each GPU features 8 ray tracing cores. These matching numbers suggest that, on paper, the raw shader and texture throughput of the two parts is exactly the same.

The only meaningful separation in compute-related specifications is memory bandwidth. The AMD Ryzen Z2 A GPU records a bandwidth of 102.4 GB/s, while the AMD Steam Deck OLED GPU records 176.0 GB/s. This is a significant delta. The Steam Deck OLED GPU has roughly 72% more memory bandwidth than the Ryzen Z2 A GPU. In real-world graphics workloads, bandwidth often dictates performance in scenarios involving high resolutions, large textures, or heavy post-processing effects. The data suggests that the Steam Deck OLED GPU has a clear advantage in any task that saturates memory transfer.

Clock speeds are identical between the two: both list a base clock of 1000 MHz and a boost clock of 1600 MHz. Memory clocks differ, however. The Ryzen Z2 A GPU lists a memory clock of 800 MHz with 6.4 Gbps effective transfer, while the Steam Deck OLED GPU lists 1375 MHz with 11 Gbps effective transfer. This directly explains the bandwidth gap. The memory bus width is the same at 128 bit, so the higher effective transfer rate of the Steam Deck OLED GPU is the sole contributor to its higher bandwidth.

The Verdict

Based strictly on the recorded data, the AMD Steam Deck OLED GPU is the stronger part for memory-intensive workloads. Its 176.0 GB/s bandwidth versus the Ryzen Z2 A GPU's 102.4 GB/s is the only differentiating performance metric that appears in the database. For all other compute metrics, the two are identical. The data indicates that neither GPU has a benchmark score, so no percentile ranking or rival comparison exists. Both sit at the 50th percentile versus all GPUs, which is a default position given the lack of measurements.

The Ryzen Z2 A GPU does not win in any recorded category. The Steam Deck OLED GPU does not win any recorded category either, since wins are tabulated from benchmark results, which are absent. However, the specification comparison implies that the Steam Deck OLED GPU holds the advantage in memory bandwidth. For a user choosing between these two, the data points to the Steam Deck OLED GPU as the better option for scenarios where data transfer speed matters, such as high-resolution rendering or texture-heavy scenes. The Ryzen Z2 A GPU offers identical compute but less bandwidth, so it would be the weaker choice in those same scenarios.

Neither GPU shows a launch MSRP in the database, so no price-based analysis is possible. The production status for both is "Active," indicating both are currently available in the market. The release dates differ: the Steam Deck OLED GPU was released on 2023-11-08, while the Ryzen Z2 A GPU was released on 2024-12-31. The later release of the Ryzen Z2 A GPU does not confer any performance advantage according to the recorded specs.

Architecture Differences

The two GPUs share the same RDNA 2.0 architecture, but they use different chips and process nodes. The Ryzen Z2 A GPU uses the Van Gogh chip, fabricated on a 7 nm process at TSMC. The Steam Deck OLED GPU uses the Sephiroth chip, fabricated on a 6 nm process, also at TSMC. The smaller process node for the Sephiroth chip allows for a smaller die size: 131 mm² compared to 163 mm² for the Van Gogh chip. Transistor counts are identical at 2,400 million, but the transistor density differs. The Steam Deck OLED GPU achieves 18.3M transistors per mm², while the Ryzen Z2 A GPU achieves 14.7M per mm². This density difference is a direct consequence of the 6 nm node versus the 7 nm node.

Both GPUs are part of the Console GPU generation, though the Steam Deck OLED GPU is specifically listed under "Console GPU (Valve)" while the Ryzen Z2 A GPU is under "Console GPU (AMD)." The API support is nearly identical: both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The Vulkan version differs slightly: the Ryzen Z2 A GPU supports Vulkan 1.4, while the Steam Deck OLED GPU supports Vulkan 1.3. This could matter for applications that rely on the newest Vulkan features, though the practical difference is likely small.

Memory configuration is the most significant architectural divergence. Both use 16 GB of LPDDR5 memory on a 128-bit bus, but the effective transfer rates differ. The Ryzen Z2 A GPU operates at 6.4 Gbps effective, yielding 102.4 GB/s. The Steam Deck OLED GPU operates at 11 Gbps effective, yielding 176.0 GB/s. The physical dimensions also differ. The Steam Deck OLED GPU has recorded dimensions of 298 mm in length, 117 mm in height, and 49 mm in width. The Ryzen Z2 A GPU has no recorded dimensions. Both GPUs feature a single display output: 1x USB Type-C.

FAQ

Q: Which GPU has higher memory bandwidth?

A: The AMD Steam Deck OLED GPU has a memory bandwidth of 176.0 GB/s, while the AMD Ryzen Z2 A GPU has 102.4 GB/s.

Q: Do the two GPUs have the same compute performance?

A: Yes, both record an FP32 of 1.638 TFLOPS and an FP16 of 3.277 TFLOPS. They also share the same shading unit count of 512, the same texture rate of 51.20 GTexel/s, and the same pixel rate of 25.60 GPixel/s.

Q: What process nodes do the two GPUs use?

A: The AMD Ryzen Z2 A GPU uses a 7 nm process, while the AMD Steam Deck OLED GPU uses a 6 nm process. Both are fabricated by TSMC.

Q: Are the clock speeds different?

A: The base and boost clocks are identical at 1000 MHz and 1600 MHz respectively. The memory clocks differ: the Ryzen Z2 A GPU runs at 800 MHz (6.4 Gbps effective), while the Steam Deck OLED GPU runs at 1375 MHz (11 Gbps effective).

Q: Which GPU has a larger die size?

A: The AMD Ryzen Z2 A GPU has a die size of 163 mm², while the AMD Steam Deck OLED GPU has a die size of 131 mm². The Steam Deck OLED GPU also has a higher transistor density at 18.3M per mm² versus 14.7M per mm².

Q: Do the GPUs support different API versions?

A: Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The Ryzen Z2 A GPU supports Vulkan 1.4, while the Steam Deck OLED GPU supports Vulkan 1.3.

Where Each One Wins

The AMD Steam Deck OLED GPU wins in memory bandwidth, which is the only metric where the two parts diverge. The 176.0 GB/s bandwidth is 72% higher than the Ryzen Z2 A GPU's 102.4 GB/s. This advantage would show up in any workload that depends on moving large amounts of data quickly. Examples include high-resolution texture streaming, frame buffer operations at elevated resolutions, or compute tasks that repeatedly access memory. The same transistor count and compute throughput mean the Steam Deck OLED GPU can push data faster without any loss in raw shader performance. The smaller die size and higher transistor density also suggest a more efficient layout, though the database does not include efficiency measurements.

The AMD Ryzen Z2 A GPU does not win in any recorded specification. Its only distinguishing features are the larger die size of 163 mm² and the lower transistor density of 14.7M per mm². It also has a newer Vulkan version (1.4 versus 1.3). The larger die is not a performance advantage; it is a consequence of the older 7 nm process. The Vulkan 1.4 support could be considered a minor feature win for applications that require the latest API revision, but this is a software compatibility point, not a performance one. The Ryzen Z2 A GPU also has no recorded physical dimensions, whereas the Steam Deck OLED GPU has dimensions of 298 mm by 117 mm by 49 mm, which is relevant for physical integration but not for performance.

In terms of release timing, the Ryzen Z2 A GPU is newer, with a release date of 2024-12-31, while the Steam Deck OLED GPU was released on 2023-11-08. The data does not show any performance benefit from the newer release. Both GPUs are marked as Active in production status, so neither is discontinued.

Specification Differences

The two GPUs differ in the following recorded fields:

• Chip: Van Gogh versus Sephiroth
• Process Node: 7 nm versus 6 nm
• Die Size: 163 mm² versus 131 mm²
• Transistor Density: 14.7M per mm² versus 18.3M per mm²
• Memory Clock: 800 MHz (6.4 Gbps effective) versus 1375 MHz (11 Gbps effective)
• Memory Bandwidth: 102.4 GB/s versus 176.0 GB/s
• Vulkan Version: 1.4 versus 1.3
• Release Date: 2024-12-31 versus 2023-11-08
• Dimensions: Not recorded versus 298 mm by 117 mm by 49 mm
• Generation Label: "Console GPU (AMD)" versus "Console GPU (Valve)"

All other specifications are identical. Both use RDNA 2.0 architecture, 2,400 million transistors, 16 GB of LPDDR5 memory on a 128-bit bus, 512 shading units, 32 TMUs, 16 ROPs, 8 ray tracing cores, a base clock of 1000 MHz, a boost clock of 1600 MHz, an FP32 of 1.638 TFLOPS, an FP16 of 3.277 TFLOPS, a pixel rate of 25.60 GPixel/s, a texture rate of 51.20 GTexel/s, a TDP of 15 W, a single USB Type-C display output, DirectX 12 Ultimate (12_2), OpenGL 4.6, and a production status of Active. Neither GPU has a recorded launch MSRP, and both sit at the 50th percentile versus all GPUs with an average benchmark score of zero.