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

Head-to-Head Benchmarks

The database contains no direct benchmark scores for either GPU, and the head-to-head benchmark array is empty. With no recorded measurements, the comparison must rely entirely on the locked specification data. The Ryzen Z2 Go GPU carries a significantly higher compute configuration, but the Steam Deck OLED GPU operates in a lower power envelope. The data indicates a clear theoretical performance gap, but it is not confirmed by any actual test results.

The Ryzen Z2 Go GPU uses 768 shading units, 48 texture mapping units, and 32 render output units. The Steam Deck OLED GPU uses 512 shading units, 32 TMUs, and 16 ROPs. In raw pixel throughput, the Z2 Go reaches 86.40 GPixel/s, which is more than three times the 25.60 GPixel/s of the Steam Deck OLED GPU. Texture rate follows a similar pattern: 129.6 GTexel/s versus 51.20 GTexel/s. These are the largest proportional gaps in the entire specification comparison.

Floating point performance shows the same direction. The Z2 Go delivers 4.147 TFLOPS in FP32, while the Steam Deck OLED GPU delivers 1.638 TFLOPS. That difference is approximately 2.5 times in favor of the Z2 Go. FP16 figures scale identically since both architectures use a 2:1 ratio: 8.294 TFLOPS versus 3.277 TFLOPS. The Z2 Go also has 12 ray tracing cores against 8 in the Steam Deck OLED GPU, which suggests a meaningful advantage in ray-traced workloads if the memory bandwidth can sustain them.

Clock behavior complicates the raw compute picture. The Z2 Go has a base clock of 800 MHz and a boost clock of 2700 MHz, a very wide operating range. The Steam Deck OLED GPU has a base clock of 1000 MHz and a boost clock of 1600 MHz, which is a much narrower range and a lower ceiling. The data shows that the Z2 Go relies on aggressive boosting to reach its peak figures, while the Steam Deck OLED GPU runs closer to its base state. In sustained workloads, the actual performance gap may be smaller than the peak specification difference suggests, but the recorded data does not include any sustained load measurements.

Memory bandwidth is the one major specification where the Steam Deck OLED GPU holds an advantage. The Steam Deck OLED GPU offers 176.0 GB/s, while the Ryzen Z2 Go GPU offers 102.4 GB/s. Both use 16 GB of LPDDR5 memory on a 128 bit bus. The Steam Deck OLED GPU achieves its higher bandwidth through a faster effective memory rate of 11 Gbps, compared to 6.4 Gbps for the Z2 Go. This is a 72.7% bandwidth advantage for the Steam Deck OLED GPU. In memory-bound scenarios, such as high resolution textures or certain compute workloads, the Steam Deck OLED GPU could close some of the raw compute gap.

Both GPUs are built on a 6 nm process at TSMC, but the die designs are very different. The Z2 Go uses a chip designated Rembrandt+ with 13,100 million transistors on a 208 mm² die, giving a transistor density of 63.0M per mm². The Steam Deck OLED GPU uses a chip designated Sephiroth with 2,400 million transistors on a 131 mm² die, giving a transistor density of 18.3M per mm². The Z2 Go integrates substantially more hardware, which explains its higher compute counts. The power draw reflects this: the Z2 Go has a 28 W TDP, while the Steam Deck OLED GPU has a 15 W TDP.

Where Each One Wins

The Ryzen Z2 Go GPU wins on almost every compute-related specification. It has more shading units, more TMUs, more ROPs, more ray tracing cores, higher boost clock, higher pixel rate, higher texture rate, and higher FP32 and FP16 throughput. It also has a higher transistor count and a larger die. For any workload that is primarily limited by shader throughput, texture fetch, or pixel fill, the data points firmly to the Z2 Go. The 2.5x FP32 advantage and the 3.4x pixel rate advantage are the clearest indicators of this.

The Steam Deck OLED GPU wins on memory bandwidth. Its 176.0 GB/s versus 102.4 GB/s is the only major performance-related specification where it leads. That bandwidth advantage matters most in scenarios where the GPU is waiting on data rather than computing. High resolution textures, large framebuffers, and certain compute kernels that stream large amounts of data can benefit from the faster memory. The Steam Deck OLED GPU also has a higher base clock (1000 MHz versus 800 MHz), which means it starts from a higher floor before any boosting occurs.

The power envelope also favors the Steam Deck OLED GPU in a practical sense. At 15 W TDP, it consumes nearly half the power of the Z2 Go at 28 W. For handheld or battery-constrained devices, that lower power draw is a meaningful advantage in thermal management and battery life. The Z2 Go requires more power to reach its higher performance ceiling, and the data does not indicate whether it can maintain its 2700 MHz boost clock within its 28 W TDP in sustained workloads.

In terms of software support, the Z2 Go supports Vulkan 1.4, while the Steam Deck OLED GPU supports Vulkan 1.3. Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. The newer Vulkan version on the Z2 Go may enable additional features in future titles, but the practical impact is not quantified in the recorded data.

FAQ

Q: Which GPU has higher raw compute performance?

A: The Ryzen Z2 Go GPU. It delivers 4.147 TFLOPS FP32 versus 1.638 TFLOPS for the Steam Deck OLED GPU, which is roughly 2.5 times higher. FP16 performance is 8.294 TFLOPS versus 3.277 TFLOPS.

Q: Does the Steam Deck OLED GPU have any performance advantage?

A: Yes, in memory bandwidth. It provides 176.0 GB/s compared to 102.4 GB/s for the Z2 Go, a 72.7% advantage. Both use 16 GB of LPDDR5 on a 128 bit bus, but the Steam Deck OLED GPU runs its memory at 11 Gbps effective versus 6.4 Gbps.

Q: How do the power requirements compare?

A: The Z2 Go has a 28 W TDP, while the Steam Deck OLED GPU has a 15 W TDP. The Z2 Go uses nearly double the power budget to achieve its higher performance specifications.

Q: Which GPU has more ray tracing cores?

A: The Ryzen Z2 Go GPU has 12 ray tracing cores. The Steam Deck OLED GPU has 8 ray tracing cores.

Q: Are both GPUs on the same manufacturing process?

A: Yes, both are fabricated on a 6 nm process at TSMC. However, the Z2 Go has 13,100 million transistors on a 208 mm² die, while the Steam Deck OLED GPU has 2,400 million transistors on a 131 mm² die.

Q: What is the boost clock difference?

A: The Z2 Go boosts to 2700 MHz, while the Steam Deck OLED GPU boosts to 1600 MHz. The base clocks are 800 MHz for the Z2 Go and 1000 MHz for the Steam Deck OLED GPU.

Specification Differences

The two GPUs differ across nearly every compute specification. The Ryzen Z2 Go GPU uses 768 shading units, 48 TMUs, and 32 ROPs. The Steam Deck OLED GPU uses 512 shading units, 32 TMUs, and 16 ROPs. Ray tracing cores are 12 versus 8. The Z2 Go has a base clock of 800 MHz and a boost clock of 2700 MHz, while the Steam Deck OLED GPU has a base clock of 1000 MHz and a boost clock of 1600 MHz.

Memory is identical in capacity and bus width: 16 GB of LPDDR5 on a 128 bit interface. The bandwidth differs significantly, with the Z2 Go at 102.4 GB/s and the Steam Deck OLED GPU at 176.0 GB/s. The memory clock also differs: 800 MHz (6.4 Gbps effective) for the Z2 Go versus 1375 MHz (11 Gbps effective) for the Steam Deck OLED GPU.

Pixel rate is 86.40 GPixel/s for the Z2 Go versus 25.60 GPixel/s for the Steam Deck OLED GPU. Texture rate is 129.6 GTexel/s versus 51.20 GTexel/s. FP32 throughput is 4.147 TFLOPS versus 1.638 TFLOPS. FP16 throughput is 8.294 TFLOPS versus 3.277 TFLOPS, both at a 2:1 ratio.

Power draw is 28 W for the Z2 Go and 15 W for the Steam Deck OLED GPU. The Z2 Go lists no power connectors, while the Steam Deck OLED GPU has no power connector data recorded. Both have a single USB Type-C display output. The Steam Deck OLED GPU has recorded dimensions of 298 mm by 117 mm by 49 mm, while the Z2 Go has no dimensions recorded. The production status for both is Active.

Architecture Differences

Both GPUs use RDNA 2.0 architecture, but they are implemented on different chips. The Z2 Go uses the Rembrandt+ chip, while the Steam Deck OLED GPU uses the Sephiroth chip. The Z2 Go is classified as a Console GPU by AMD, while the Steam Deck OLED GPU is classified as a Console GPU by Valve. Both are fabricated on a 6 nm process at TSMC, but the Z2 Go integrates far more hardware: 13,100 million transistors on a 208 mm² die, versus 2,400 million transistors on a 131 mm² die. The transistor density is 63.0M per mm² for the Z2 Go and 18.3M per mm² for the Steam Deck OLED GPU.

The Z2 Go was released on 2024-12-31, while the Steam Deck OLED GPU was released on 2023-11-08. The Z2 Go supports Vulkan 1.4, while the Steam Deck OLED GPU supports Vulkan 1.3. Both support DirectX 12 Ultimate (12_2) and OpenGL 4.6. Neither GPU has tensor cores, and neither has a recorded launch MSRP.

The memory architecture is broadly similar: both use 16 GB of LPDDR5 on a 128 bit bus. The key difference is the effective memory speed, which is 6.4 Gbps for the Z2 Go and 11 Gbps for the Steam Deck OLED GPU. Both GPUs are actively in production.

The Verdict

The recorded data points to a simple split. The Ryzen Z2 Go GPU is the stronger compute part in almost every measurable way: more shading units, more TMUs, more ROPs, more ray tracing cores, higher boost clock, higher pixel rate, higher texture rate, and roughly 2.5 times the FP32 throughput. It also has a much larger transistor budget, which reflects its more complex design. Any workload that is limited by shader compute, texture filtering, or pixel fill should favor the Z2 Go, and the data supports that without any benchmark scores.

The Steam Deck OLED GPU has a narrower but real set of advantages. Its memory bandwidth of 176.0 GB/s is far above the 102.4 GB/s of the Z2 Go, which matters for memory-heavy workloads. Its lower 15 W TDP makes it a better fit for power-constrained designs, and its higher base clock of 1000 MHz means it starts from a stronger floor. The Z2 Go may reach higher peaks, but it needs more power and a much wider clock range to do so.

For a user choosing between these two, the decision hinges on the target workload and power budget. If the priority is maximum compute throughput and the device can accommodate 28 W, the Z2 Go is the clear choice based on the specification data. If memory bandwidth and power efficiency are more important, the Steam Deck OLED GPU holds the advantage. The absence of recorded benchmark scores means these conclusions rest on theoretical specifications, not measured performance. The data is clear about what each GPU is designed to do, but it does not confirm how either behaves under sustained real-world load.