AMD Instinct MI300 vs AMD Radeon PRO W7600 Comparison

The Verdict

The recorded data presents a stark contrast between two AMD accelerators with fundamentally different design goals. The AMD Instinct MI300 is a data center compute accelerator with no display outputs, no graphics API support, and a 600 W power envelope, while the AMD Radeon PRO W7600 is an active, single-slot workstation graphics card with four DisplayPort 2.1 outputs and a 130 W power draw. The MI300 targets massive parallel compute workloads, evidenced by its 128 GB of HBM3 memory, 8192-bit memory bus, and 47.87 TFLOPS of FP32 throughput. The W7600, by contrast, delivers 19.99 TFLOPS FP32, 64 ROPs, 32 ray accelerators, and full DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support, making it the only one of the two with any graphics rendering capability. The data shows that the MI300 is the choice for compute-heavy, memory-bandwidth-bound tasks, while the W7600 is the choice for visualization, rendering, and any workload requiring a display output or graphics API support.

The benchmark database records no benchmark scores for the MI300, giving it a 50th percentile ranking among all GPUs and an average score of zero. The W7600, in contrast, has two recorded Geekbench scores, an OpenCL score of 81,528 and a Vulkan score of 92,688, yielding an average of 87,108 and a 93rd percentile placement. This means the database currently offers no direct head-to-head comparison between the two, and the W7600's recorded performance data places it slightly behind the NVIDIA Quadro GP100 by 0.4%, slightly ahead of the NVIDIA CMP 40HX by 1.7%, and behind the NVIDIA RTX A4500 Mobile by 4.4% and the NVIDIA RTX A4500 by 5%. No comparable benchmark data exists for the MI300, so any direct performance comparison between these two specific accelerators is not supported by the current database records.

Architecture Differences

The MI300 uses the Aqua Vanjaram chip built on TSMC's 5 nm process, integrating 153,000 million transistors on a 1017 mm² die, for a transistor density of 150.4 million per square millimeter. Its architecture is CDNA 3.0, which is compute-optimized and lacks graphics-focused hardware. The chip has 14,080 shading units, 880 texture mapping units, and zero ROPs, producing a pixel rate of 0 MPixel/s and a texture rate of 1,496.0 GTexel/s. The MI300's memory subsystem is built around 128 GB of HBM3 on an 8192-bit bus, delivering 5.32 TB/s of bandwidth. It has no display outputs, no ray accelerators, no tensor cores listed, and no DirectX, OpenGL, or Vulkan API support. Its FP16 throughput is 47.87 TFLOPS at a 1:1 ratio with FP32, indicating balanced compute performance across precisions. The MI300 uses two 8-pin power connectors, a 1000 W suggested power supply, and a PCIe 5.0 x16 interface, with dimensions of 267 mm by 111 mm.

The W7600 uses the Navi 33 chip built on TSMC's 6 nm process, integrating 13,300 million transistors on a 204 mm² die, for a transistor density of 65.2 million per square millimeter. Its architecture is RDNA 3.0, a graphics-oriented design with 2,048 shading units, 128 texture mapping units, 64 ROPs, and 32 ray accelerators. The pixel rate is 156.2 GPixel/s and the texture rate is 312.3 GTexel/s. Memory consists of 8 GB of GDDR6 on a 128-bit bus, yielding 288.0 GB/s of bandwidth. FP32 throughput is 19.99 TFLOPS, while FP16 reaches 39.98 TFLOPS at a 2:1 ratio, meaning the W7600 processes FP16 at twice the rate of FP32. The W7600 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, uses a single 6-pin power connector, a 300 W suggested PSU, and a PCIe 4.0 x8 interface, with dimensions of 241 mm by 115 mm and a single-slot form factor. It was released on August 2, 2023, while the MI300 was released on January 3, 2023.

FAQ

Q: Which card has more memory bandwidth?

A: The MI300 has 5.32 TB/s of bandwidth from its 128 GB HBM3 memory on an 8192-bit bus. The W7600 has 288.0 GB/s from 8 GB of GDDR6 on a 128-bit bus. The MI300's bandwidth is approximately 18.5 times higher, based on the recorded figures.

Q: Does the W7600 support ray tracing?

A: Yes. The W7600 has 32 ray accelerators, consistent with its RDNA 3.0 architecture. The MI300 has no ray accelerators listed and no graphics API support, so it cannot handle ray-traced workloads.

Q: What display outputs does each card provide?

A: The W7600 provides four DisplayPort 2.1 outputs. The MI300 has no display outputs at all, meaning it cannot drive a monitor directly.

Q: How do their power requirements compare?

A: The MI300 has a 600 W TDP and requires a 1000 W suggested power supply, using two 8-pin connectors. The W7600 has a 130 W TDP, a 300 W suggested power supply, and a single 6-pin connector.

Q: Which card has a higher FP32 compute throughput?

A: The MI300 delivers 47.87 TFLOPS of FP32, while the W7600 delivers 19.99 TFLOPS. The MI300's FP32 figure is 2.4 times higher than the W7600's, based on the recorded values.

Q: What is the performance ranking of the W7600 in the database?

A: The W7600 has an average benchmark score of 87,108 and sits in the 93rd percentile of all GPUs. Its closest rivals are the NVIDIA Quadro GP100 at 87,445 (0.4% ahead), the NVIDIA CMP 40HX at 85,637 (1.7% behind), the NVIDIA RTX A4500 Mobile at 91,134 (4.4% ahead), and the NVIDIA RTX A4500 at 91,671 (5% ahead).

Specification Differences

The two accelerators differ in nearly every recorded specification. The process node differs: 5 nm for the MI300 versus 6 nm for the W7600. Transistor count differs dramatically: 153,000 million versus 13,300 million. Die size: 1017 mm² versus 204 mm². Transistor density: 150.4M/mm² versus 65.2M/mm². Base clock: 1000 MHz versus 1720 MHz. Boost clock: 1700 MHz versus 2440 MHz. Memory clock: 1300 MHz (5.2 Gbps effective) versus 2250 MHz (18 Gbps effective). Memory size: 128 GB versus 8 GB. Memory type: HBM3 versus GDDR6. Memory bus width: 8192 bit versus 128 bit. Memory bandwidth: 5.32 TB/s versus 288.0 GB/s. Shading units: 14,080 versus 2,048. TMUs: 880 versus 128. ROPs: 0 versus 64. Ray accelerators: none versus 32. Pixel rate: 0 MPixel/s versus 156.2 GPixel/s. Texture rate: 1,496.0 GTexel/s versus 312.3 GTexel/s. FP32: 47.87 TFLOPS versus 19.99 TFLOPS. FP16: 47.87 TFLOPS (1:1) versus 39.98 TFLOPS (2:1). TDP: 600 W versus 130 W. Power connectors: two 8-pin versus one 6-pin. Suggested PSU: 1000 W versus 300 W. Bus interface: PCIe 5.0 x16 versus PCIe 4.0 x8. Display outputs: none versus four DisplayPort 2.1. DirectX, OpenGL, and Vulkan support: N/A on the MI300 versus 12 Ultimate (12_2), 4.6, and 1.4 on the W7600. Dimensions: 267 mm by 111 mm versus 241 mm by 115 mm. Release date: January 3, 2023 versus August 2, 2023. The W7600 is listed as Active production status; the MI300's production status is not recorded. The W7600 also has a recorded launch MSRP of 599 USD.

Head-to-Head Benchmarks

The database contains no head-to-head benchmark entries for the MI300 versus the W7600, and the MI300 has no individual benchmark scores recorded. The W7600, however, has two Geekbench results: an OpenCL score of 81,528 and a Vulkan score of 92,688. These combine for an average of 87,108, placing it in the 93rd percentile of all GPUs. Its nearest rival comparisons show a tight grouping: the NVIDIA Quadro GP100 averages 87,445, which is 0.4% higher; the NVIDIA CMP 40HX averages 85,637, which is 1.7% lower; the NVIDIA RTX A4500 Mobile averages 91,134, which is 4.4% higher; and the NVIDIA RTX A4500 averages 91,671, which is 5% higher. For the MI300, the database records a 50th percentile placement and an average benchmark score of zero, with no nearest rivals listed. Therefore, any direct numeric comparison between the MI300 and W7600 is impossible from the current data. The only observable benchmark delta is the W7600's internal split, where its Vulkan score exceeds its OpenCL score by 11,160 points, or about 13.7% of the OpenCL score.

Where Each One Wins

The MI300 wins decisively in raw compute throughput and memory capacity. Its FP32 figure of 47.87 TFLOPS is more than double the W7600's 19.99 TFLOPS. Its FP16 of 47.87 TFLOPS at a 1:1 ratio also exceeds the W7600's FP16 of 39.98 TFLOPS, despite the W7600's 2:1 FP16 acceleration. The MI300's 128 GB of HBM3 with 5.32 TB/s of bandwidth dwarfs the W7600's 8 GB of GDDR6 with 288.0 GB/s, making the MI300 the clear choice for large models and bandwidth-intensive compute workloads. Its 8192-bit memory bus and 1,496.0 GTexel/s texture rate further reinforce its compute orientation. The MI300 also uses a newer PCIe 5.0 x16 interface versus the W7600's PCIe 4.0 x8, which matters for data transfer in server environments.

The W7600 wins in every graphics-related category. It has 64 ROPs versus zero, 32 ray accelerators versus none, a pixel rate of 156.2 GPixel/s versus 0 MPixel/s, and full DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support. It provides four DisplayPort 2.1 outputs, while the MI300 has no outputs. Its base and boost clocks are higher at 1720 MHz and 2440 MHz versus 1000 MHz and 1700 MHz, respectively. The W7600 is also far more power-efficient in terms of TDP: 130 W versus 600 W, with a 300 W suggested PSU versus 1000 W, and a single 6-pin connector versus two 8-pin connectors. Its single-slot 241 mm by 115 mm form factor is more compact than the MI300's 267 mm by 111 mm dimensions. The W7600 is the only one of the two with recorded benchmark scores, an average of 87,108, and a 93rd percentile placement, whereas the MI300 has no recorded benchmark performance. The W7600's production status is Active, and it has a recorded launch MSRP of 599 USD, while the MI300 has no recorded launch MSRP or production status. The W7600 also uses a smaller 204 mm² die on a 6 nm node, compared to the MI300's 1017 mm² die on 5 nm, which reflects its lower transistor count and more modest power envelope.