AMD Radeon Instinct MI300 vs AMD Ryzen Z2 Go GPU Comparison

Where Each One Wins

The AMD Radeon Instinct MI300 and the AMD Ryzen Z2 Go GPU occupy opposite ends of the hardware spectrum, and the recorded data reflects this clearly. The MI300 is a data center accelerator built around the CDNA 3.0 architecture, while the Z2 Go GPU is a compact console-class graphics processor using RDNA 2.0.

The MI300 wins decisively in raw compute throughput. Its FP32 performance of 47.87 TFLOPS dwarfs the Z2 Go GPU's 4.147 TFLOPS, a gap of more than 11 times. In FP16 workloads, the MI300 delivers 383.0 TFLOPS versus the Z2 Go's 8.294 TFLOPS, showing the MI300's design for heavy mixed-precision computation. The texture rate follows the same pattern: the MI300 reaches 1,496.0 GTexel/s, while the Z2 Go GPU manages 129.6 GTexel/s.

Memory capacity and bandwidth also favor the MI300 overwhelmingly. It carries 128 GB of HBM3 across an 8192-bit bus, producing 6.55 TB/s of bandwidth. The Z2 Go GPU uses 16 GB of LPDDR5 on a 128-bit bus, yielding 102.4 GB/s. That is a 64x difference in raw memory bandwidth, which matters for data center-scale workloads that stream large datasets.

The Z2 Go GPU wins in areas relevant to compact, power-constrained systems. Its TDP is 28 W, compared to the MI300's 600 W. The Z2 Go GPU also has display outputs (1x USB Type-C), while the MI300 has no outputs at all. The Z2 Go GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, whereas the MI300 lists no API support in the database.

The Z2 Go GPU also includes 12 ray tracing cores, a feature the MI300 lacks entirely. Its pixel rate of 86.40 GPixel/s is substantial for a 28 W part, while the MI300 reports 0 MPixel/s because it is not designed for rasterized output. The Z2 Go GPU's boost clock of 2700 MHz is higher than the MI300's 1700 MHz, though this reflects different design priorities rather than raw capability.

In transistor counts, the MI300 uses 153,000 million transistors on a 1017 mm² die, while the Z2 Go GPU uses 13,100 million on 208 mm². The process nodes differ as well: the MI300 uses 5 nm, and the Z2 Go GPU uses 6 nm, both from TSMC.

The Verdict

The data indicates that these two GPUs serve entirely different markets, and no reasonable comparison places them as direct competitors.

The AMD Radeon Instinct MI300 is for server and data center deployments where massive memory capacity, extreme bandwidth, and high FP32/FP16 throughput are mandatory. Its 128 GB of HBM3, 6.55 TB/s bandwidth, and 47.87 TFLOPS FP32 performance position it for large-scale compute tasks such as AI training or scientific simulation. The 600 W TDP and 2x 8-pin power connectors require a 1000 W suggested PSU, confirming its rack-mounted, high-power design. Its lack of display outputs means it is not a graphics card in the traditional sense.

The AMD Ryzen Z2 Go GPU is for handheld or ultra-compact systems where power efficiency and basic display output matter. Its 28 W TDP, single USB Type-C output, and support for modern graphics APIs make it suitable for portable gaming or thin-and-light devices. The 16 GB LPDDR5 memory and 4.147 TFLOPS FP32 performance provide a usable baseline for gaming at modest resolutions, and the 12 ray tracing cores enable hardware-accelerated ray tracing, which the MI300 cannot do.

For a builder assembling a workstation or server, the MI300 is the only choice, despite its enormous power draw and lack of display outputs. For a portable device with an integrated GPU, the Z2 Go GPU is the only viable option here. The recording shows zero head-to-head benchmarks and zero wins for either side, which confirms that the database treats them as non-overlapping products.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark results between the AMD Radeon Instinct MI300 and the AMD Ryzen Z2 Go GPU. The winsA and winsB fields are both 0, and the headToHeadBenchmarks array is empty. This absence itself is informative: the two GPUs never appear in the same benchmark suite, likely because the MI300 lacks display outputs and graphics APIs, while the Z2 Go GPU lacks the compute scale of the MI300.

Without direct comparisons, the available specification data serves as the only basis for analysis. The FP32 gap is the most telling: 47.87 TFLOPS versus 4.147 TFLOPS, a difference of roughly 11.5x. In FP16, the MI300's 383.0 TFLOPS is 46x the Z2 Go GPU's 8.294 TFLOPS. The texture rate difference is 11.5x as well (1,496.0 GTexel/s versus 129.6 GTexel/s). Memory bandwidth shows the largest relative gap: 6.55 TB/s versus 102.4 GB/s, which is approximately 64x.

The Z2 Go GPU counters with a pixel rate of 86.40 GPixel/s, while the MI300 sits at 0 MPixel/s. The Z2 Go's boost clock of 2700 MHz exceeds the MI300's 1700 MHz, and its base clock of 800 MHz is lower than the MI300's 1000 MHz, indicating different clock behavior under load. The Z2 Go GPU's TDP of 28 W is 21x lower than the MI300's 600 W, which makes the Z2 Go's performance per watt dramatically better, even if absolute performance is far lower.

The MI300's transistor count of 153,000 million versus the Z2 Go's 13,100 million represents a 11.7x difference, while the die size difference is 1017 mm² versus 208 mm², a 4.9x gap. The transistor density reflects the process difference: 150.4M per mm² on 5 nm versus 63.0M per mm² on 6 nm.

FAQ

Q: Which GPU has higher FP32 performance?

A: The AMD Radeon Instinct MI300 delivers 47.87 TFLOPS, while the AMD Ryzen Z2 Go GPU delivers 4.147 TFLOPS. The MI300 is approximately 11.5x faster in single-precision compute.

Q: Can the AMD Radeon Instinct MI300 output video to a display?

A: No. The MI300 lists "No outputs" for display connections. The AMD Ryzen Z2 Go GPU provides 1x USB Type-C output, and it supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: How does memory bandwidth compare between the two?

A: The MI300 has 128 GB of HBM3 on an 8192-bit bus, delivering 6.55 TB/s. The Z2 Go GPU has 16 GB of LPDDR5 on a 128-bit bus, delivering 102.4 GB/s. The MI300's bandwidth is roughly 64x higher.

Q: Does the AMD Ryzen Z2 Go GPU support ray tracing?

A: Yes, it includes 12 ray tracing cores. The MI300 has no ray tracing cores listed in the database.

Q: What are the power requirements for each GPU?

A: The MI300 has a TDP of 600 W, uses 2x 8-pin power connectors, and has a suggested PSU of 1000 W. The Z2 Go GPU has a TDP of 28 W and requires no power connectors.

Q: Which GPU has a higher boost clock?

A: The Z2 Go GPU boosts to 2700 MHz, while the MI300 boosts to 1700 MHz. The MI300 has a higher base clock at 1000 MHz versus the Z2 Go's 800 MHz.

Architecture Differences

The two GPUs use fundamentally different architectures from AMD, each optimized for a distinct workload class.

The AMD Radeon Instinct MI300 is built on CDNA 3.0, AMD's compute-optimized architecture for data center accelerators. Its chip is codenamed "Aqua Vanjaram" and it uses a 5 nm process from TSMC. The architecture prioritizes raw throughput with 14,080 shading units, 880 texture mapping units, and 0 raster operations units, confirming that it is not designed for display output. The 128 GB HBM3 memory with an 8192-bit bus is characteristic of a compute accelerator, not a gaming GPU. The reported FP16 performance of 383.0 TFLOPS at an 8:1 ratio relative to FP32 indicates a design that heavily favors mixed-precision workloads common in AI and scientific computing.

The AMD Ryzen Z2 Go GPU is built on RDNA 2.0, a graphics-first architecture used in console and mobile segments. Its chip is codenamed "Rembrandt+" and uses a 6 nm TSMC process. The architecture includes 768 shading units, 48 TMUs, 32 ROPs, and 12 ray tracing cores. It supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, making it fully capable of modern gaming APIs. The FP16 performance of 8.294 TFLOPS at a 2:1 ratio shows a more balanced approach between FP32 and FP16, typical for graphics workloads where both precisions are used. The 16 GB LPDDR5 memory is unified across CPU and GPU in this class of chip.

The process node difference (5 nm versus 6 nm) explains part of the transistor density gap: the MI300 packs 150.4 million transistors per square millimeter, while the Z2 Go GPU manages 63.0 million per square millimeter. The MI300's die is nearly five times larger at 1017 mm² versus 208 mm², and it holds 153,000 million transistors versus 13,100 million. The MI300 is built for a 600 W power envelope, while the Z2 Go GPU operates within 28 W.

Specification Differences

The following specifications differ between the AMD Radeon Instinct MI300 and the AMD Ryzen Z2 Go GPU, based solely on the recorded data.

Process and die: The MI300 uses a 5 nm process, while the Z2 Go GPU uses 6 nm. Die size is 1017 mm² versus 208 mm². Transistors are 153,000 million versus 13,100 million, and transistor density is 150.4M per mm² versus 63.0M per mm².

Clocks: Base clock is 1000 MHz for the MI300 and 800 MHz for the Z2 Go GPU. Boost clock is 1700 MHz for the MI300 and 2700 MHz for the Z2 Go GPU. Memory clock is 1600 MHz (6.4 Gbps effective) for the MI300 and 800 MHz (6.4 Gbps effective) for the Z2 Go GPU.

Memory: Capacity is 128 GB versus 16 GB. Type is HBM3 versus LPDDR5. Bus width is 8192 bit versus 128 bit. Bandwidth is 6.55 TB/s versus 102.4 GB/s.

Compute units: Shading units are 14,080 versus 768. TMUs are 880 versus 48. ROPs are 0 versus 32. Ray tracing cores are absent on the MI300 and present as 12 on the Z2 Go GPU.

Performance rates: Pixel rate is 0 MPixel/s versus 86.40 GPixel/s. Texture rate is 1,496.0 GTexel/s versus 129.6 GTexel/s. FP32 is 47.87 TFLOPS versus 4.147 TFLOPS. FP16 is 383.0 TFLOPS (8:1) versus 8.294 TFLOPS (2:1).

Power and cooling: TDP is 600 W versus 28 W. Power connectors are 2x 8-pin versus none. Suggested PSU is 1000 W versus not listed.

Interfaces and outputs: Bus interface is PCIe 5.0 x16 for the MI300, while the Z2 Go GPU lists no bus interface. Display outputs are "No outputs" for the MI300 and 1x USB Type-C for the Z2 Go GPU.

API support: The MI300 lists no DirectX, OpenGL, or Vulkan support. The Z2 Go GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Dimensions: The MI300 measures 267 mm (10.5 inches) in length and 111 mm (4.4 inches) in height. The Z2 Go GPU has no recorded dimensions.

Release dates: The MI300 was released on 2023-01-03, and the Z2 Go GPU on 2024-12-31. The MI300's predecessor is listed as FirePro Data Center, while the Z2 Go GPU has no predecessor. The Z2 Go GPU has an active production status; the MI300's status is not listed.