AMD Radeon RX 9050 vs AMD Ryzen Z2 Go GPU Comparison

The Verdict

The AMD Radeon RX 9050 and AMD Ryzen Z2 Go GPU serve fundamentally different roles in the database, and the recorded specifications make those roles clear. The RX 9050 is a discrete desktop graphics card built on the Radeon RX 9000 series, using the Navi 44 chip with RDNA 4.0 architecture. The Ryzen Z2 Go GPU is a console-class integrated graphics processor on the Rembrandt+ chip with RDNA 2.0 architecture. Neither part has recorded benchmark scores, and both sit at the 50th percentile against all GPUs in the database, so the comparison rests entirely on architectural and specification data.

The RX 9050 targets users who need raw compute throughput, higher pixel throughput, and a modern feature set on a full PCIe 5.0 x16 interface. The Ryzen Z2 Go GPU targets a low-power environment with a 28 W TDP, no power connectors, and a single USB Type-C display output, which indicates a handheld or compact console form factor. The data shows no overlap in their intended operating envelopes. The RX 9050 is the choice for sustained desktop rendering workloads; the Z2 Go GPU is the choice for a power-constrained, portable device.

Where Each One Wins

The RX 9050 wins decisively on compute metrics. Its FP32 throughput is 10.65 TFLOPS, which is 2.57 times the Z2 Go GPU's 4.147 TFLOPS. Pixel rate favors the RX 9050 at 166.4 GPixel/s versus 86.40 GPixel/s, a 1.93x advantage. Texture rate also favors the discrete card at 166.4 GTexel/s versus 129.6 GTexel/s, a 1.28x margin. Memory bandwidth is another clear win: 288.0 GB/s on the RX 9050 against 102.4 GB/s on the Z2 Go GPU, a 2.81x difference. The RX 9050 also has more shading units (1024 versus 768), more TMUs (64 versus 48), more ROPs (64 versus 32), and more ray tracing cores (16 versus 12).

The Z2 Go GPU wins on power efficiency and integration. Its TDP is 28 W, compared to 92 W for the RX 9050, meaning the Z2 Go GPU draws roughly 30% of the power budget. It requires no power connectors, while the RX 9050 needs a single 8-pin connector and a suggested 250 W PSU. The Z2 Go GPU also carries 16 GB of LPDDR5 memory, double the 8 GB GDDR6 on the RX 9050, though at far lower bandwidth. Its FP16 rate is 8.294 TFLOPS (2:1 ratio), which is close to the RX 9050's FP16 output of 10.65 TFLOPS (1:1 ratio), so in half-precision workloads the gap narrows to 1.28x.

Architecture Differences

The two chips come from different architecture generations and process nodes. The RX 9050 uses RDNA 4.0 on a 4 nm TSMC process, while the Z2 Go GPU uses RDNA 2.0 on a 6 nm TSMC process. The RX 9050 is built on Navi 44 and belongs to the Navi IV (RX 9000) generation. The Z2 Go GPU is built on Rembrandt+ and belongs to the Console GPU (AMD) generation.

The transistor counts reflect the different design goals. The RX 9050 packs 29,700 million transistors into a 199 mm² die, giving a transistor density of 149.2M per mm². The Z2 Go GPU has 13,100 million transistors across a 208 mm² die, for a density of 63.0M per mm². Despite the smaller die size, the RX 9050 integrates more than twice the transistors, which explains its higher core counts and larger memory bus efficiency.

The memory subsystems differ completely. The RX 9050 uses 8 GB of GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth, with a memory clock of 2250 MHz (18 Gbps effective). The Z2 Go GPU uses 16 GB of LPDDR5 on a 128-bit bus with 102.4 GB/s bandwidth, with a memory clock of 800 MHz (6.4 Gbps effective). The GDDR6 solution trades capacity for bandwidth; the LPDDR5 solution trades bandwidth for capacity and lower power.

The clock behavior also differs. The RX 9050 has a base clock of 1330 MHz, a boost clock of 2600 MHz, and a game clock of 1920 MHz. The Z2 Go GPU has a lower base of 800 MHz but a higher boost of 2700 MHz. This suggests the Z2 Go GPU leans on short boost bursts, while the RX 9050 maintains a more sustained mid-range clock.

API support is identical for both parts. Each supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 9050 uses a PCIe 5.0 x16 bus interface, while the Z2 Go GPU has no recorded bus interface, consistent with an integrated or embedded design. Display outputs also diverge: the RX 9050 provides 1x HDMI 2.1b and 2x DisplayPort 2.1a, while the Z2 Go GPU provides a single USB Type-C output.

FAQ

Q: Which GPU has higher raw compute performance?

A: The RX 9050. Its FP32 throughput is 10.65 TFLOPS, which is 2.57 times the Z2 Go GPU's 4.147 TFLOPS. It also leads in pixel rate (166.4 GPixel/s versus 86.40 GPixel/s) and texture rate (166.4 GTexel/s versus 129.6 GTexel/s).

Q: Which GPU has more memory?

A: The Z2 Go GPU has 16 GB of LPDDR5, twice the 8 GB of GDDR6 on the RX 9050. However, the RX 9050 has much higher bandwidth at 288.0 GB/s versus 102.4 GB/s.

Q: How do their power requirements compare?

A: The Z2 Go GPU has a 28 W TDP and requires no power connectors. The RX 9050 has a 92 W TDP, requires a single 8-pin power connector, and has a suggested PSU of 250 W.

Q: Do they support the same graphics APIs?

A: Yes. Both support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: Which architecture is newer?

A: The RX 9050 uses RDNA 4.0 on a 4 nm TSMC process. The Z2 Go GPU uses RDNA 2.0 on a 6 nm TSMC process. The RX 9050 also has a higher transistor density at 149.2M per mm² versus 63.0M per mm².

Q: Which GPU has more shading units and ray tracing cores?

A: The RX 9050 has 1024 shading units and 16 ray tracing cores. The Z2 Go GPU has 768 shading units and 12 ray tracing cores.

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results for these two GPUs, and neither part has individual benchmark entries. The comparison must therefore rely on the recorded hardware specifications. The largest measured differences appear in memory bandwidth, FP32 throughput, and pixel rate.

Memory bandwidth is the single biggest gap. The RX 9050 delivers 288.0 GB/s, which is 2.81 times the 102.4 GB/s of the Z2 Go GPU. For bandwidth-sensitive workloads such as high-resolution texturing or large frame buffers, the discrete card has a clear structural advantage. The Z2 Go GPU's 16 GB capacity cannot compensate for the bandwidth deficit in most real-time rendering scenarios, though it can hold larger working sets.

FP32 compute shows a 2.57x difference. The RX 9050's 10.65 TFLOPS against the Z2 Go GPU's 4.147 TFLOPS means the discrete card can process roughly two and a half times as many single-precision floating point operations per second. This affects shader complexity, physics calculations, and general GPU compute tasks. The FP16 comparison is closer: the RX 9050 outputs 10.65 TFLOPS at a 1:1 ratio, while the Z2 Go GPU outputs 8.294 TFLOPS at a 2:1 ratio. The Z2 Go GPU's half-precision rate is 78% of the RX 9050's, so the gap shrinks in FP16-oriented workloads.

Pixel throughput favors the RX 9050 by 1.93x, with 166.4 GPixel/s versus 86.40 GPixel/s. This relates directly to fill-rate-bound scenarios such as high refresh rate rendering at lower resolutions. Texture throughput is closer, with the RX 9050 at 166.4 GTexel/s versus 129.6 GTexel/s, a 1.28x margin. The smaller gap here reflects the Z2 Go GPU's higher boost clock of 2700 MHz, which partially offsets its lower TMU count of 48 against 64.

The ROP count difference is 64 versus 32, exactly 2x, which aligns with the pixel rate difference. The RT core difference is smaller at 16 versus 12, a 1.33x margin, suggesting ray tracing workloads would see a more modest advantage on the RX 9050 compared to rasterization workloads. The shading unit difference is 1024 versus 768, a 1.33x margin, which matches the TMU and RT core ratios.

Clock behavior matters for the Z2 Go GPU. Its base clock of 800 MHz is far lower than the RX 9050's 1330 MHz, but its boost clock of 2700 MHz is higher than the RX 9050's 2600 MHz. The Z2 Go GPU also lacks a recorded game clock, while the RX 9050 lists a game clock of 1920 MHz. This indicates the Z2 Go GPU is designed for bursty, thermally limited operation, while the RX 9050 is built for sustained desktop workloads.

Specification Differences

The two GPUs differ in nearly every measured category. The RX 9050 uses a 4 nm process; the Z2 Go GPU uses 6 nm. Transistor count is 29,700 million versus 13,100 million. Die size is 199 mm² versus 208 mm². Transistor density is 149.2M per mm² versus 63.0M per mm².

Core configuration: the RX 9050 has 1024 shading units, 64 TMUs, 64 ROPs, and 16 RT cores. The Z2 Go GPU has 768 shading units, 48 TMUs, 32 ROPs, and 12 RT cores.

Clocks: the RX 9050 runs at 1330 MHz base, 2600 MHz boost, 1920 MHz game, and 2250 MHz memory (18 Gbps effective). The Z2 Go GPU runs at 800 MHz base, 2700 MHz boost, no game clock, and 800 MHz memory (6.4 Gbps effective).

Memory: the RX 9050 has 8 GB GDDR6 on a 128-bit bus with 288.0 GB/s bandwidth. The Z2 Go GPU has 16 GB LPDDR5 on a 128-bit bus with 102.4 GB/s bandwidth.

Rates: the RX 9050 achieves 166.4 GPixel/s and 166.4 GTexel/s. The Z2 Go GPU achieves 86.40 GPixel/s and 129.6 GTexel/s. FP32 is 10.65 TFLOPS for the RX 9050 and 4.147 TFLOPS for the Z2 Go GPU. FP16 is 10.65 TFLOPS (1:1) for the RX 9050 and 8.294 TFLOPS (2:1) for the Z2 Go GPU.

Power and physical: the RX 9050 has a 92 W TDP, is dual-slot, uses one 8-pin connector, and lists a suggested PSU of 250 W. The Z2 Go GPU has a 28 W TDP, no slot width recorded, no power connectors, and no suggested PSU. The RX 9050 uses PCIe 5.0 x16; the Z2 Go GPU has no recorded bus interface. Display outputs are 1x HDMI 2.1b and 2x DisplayPort 2.1a for the RX 9050, versus 1x USB Type-C for the Z2 Go GPU. The RX 9050's predecessor is Navi III; the Z2 Go GPU has no predecessor or successor recorded. Both parts are listed as Active in production status.