AMD Instinct MI300A vs AMD Radeon RX 7600M Comparison

AMD Instinct MI300A and AMD Radeon RX 7600M occupy opposite ends of AMD’s accelerator spectrum, yet both are built on TSMC’s manufacturing lines and target compute-intensive workloads. The database records no direct head-to-head benchmark matches between the two, so the comparison below relies on the recorded specifications, the single available benchmark for the RX 7600M, and the percentile data for each part. The MI300A carries a 50th percentile ranking across all GPUs in the database, while the RX 7600M sits at the 89th percentile, a notable separation that reflects their different roles rather than a simple performance hierarchy.

Head-to-Head Benchmarks

The database contains no shared benchmark entries for the MI300A and the RX 7600M. The MI300A has an empty benchmark list and an average benchmark score of zero, which means no measured workload results are recorded for it. The RX 7600M, by contrast, has one recorded result: a Geekbench OpenCL score of 63775. That score places it among a tight cluster of near-identical performers. Its nearest rival, the AMD Radeon RX 9060 XT LP, averages 63830, a delta of -0.1 percent from the RX 7600M, meaning the RX 7600M trails by a tenth of a percent. The NVIDIA CMP 30HX also averages 63842, again a -0.1 percent gap. The AMD Radeon Pro Vega 56 trails the RX 7600M by 0.1 percent with a 63693 average, and the AMD Radeon Pro WX 9100 sits 0.7 percent ahead at 64212. These deltas show the RX 7600M performing essentially at parity with several professional and mining-oriented cards, with the largest recorded spread being less than one percent in either direction.

Because the MI300A has no recorded benchmark scores, its 50th percentile ranking cannot be tied to any specific test in the database. That percentile is derived from the full historical distribution of GPUs, and a 50th percentile placement indicates the MI300A sits at the median of all recorded parts. The RX 7600M, with its 89th percentile, ranks well above the median, though this does not imply it outruns the MI300A in raw compute. The MI300A’s FP32 throughput is listed at 61.29 TFLOPS, while the RX 7600M delivers 17.27 TFLOPS in FP32, a 3.5 times advantage for the MI300A in single-precision floating-point math. The RX 7600M does offer FP16 at 34.55 TFLOPS with a 2:1 ratio, a mode the database does not list for the MI300A, so no direct FP16 comparison is possible from the recorded data.

Texture and pixel rates tell a similar story. The MI300A reaches 1,915.2 GTexel/s, while the RX 7600M manages 269.9 GTexel/s, a 7.1 times difference in texture fill rate. Pixel rate is inverted: the MI300A lists 0 MPixel/s, because it has no ROPs, while the RX 7600M outputs 154.2 GPixel/s. The MI300A is not designed for rasterized frame generation, a role the RX 7600M fills with its 64 ROPs. In the recorded data, the only measurable workload belongs to the RX 7600M, and its score of 63775 places it within 0.7 percent of all four nearest rivals, confirming consistent performance in that specific OpenCL test.

The Verdict

The data points to two separate purchasing decisions. The MI300A serves workloads that demand massive memory capacity, enormous memory bandwidth, and extreme FP32 throughput. Its 128 GB of HBM3 on an 8192-bit bus delivers 5.32 TB/s of bandwidth, a figure the RX 7600M cannot approach with its 8 GB of GDDR6 on a 128-bit bus and 256.0 GB/s. For compute tasks that fit in memory and scale with FP32 math, the MI300A’s 61.29 TFLOPS dwarfs the RX 7600M’s 17.27 TFLOPS. The MI300A’s 5 nm process node, 153,000 million transistors, and 1017 mm² die size indicate a part built for scale, with a 750 W TDP and a suggested PSU of 1150 W. It has no display outputs, no graphics API support, and zero ROPs, so it exists purely as an accelerator.

The RX 7600M, by contrast, is a mobile graphics processor with a 90 W TDP, integrated into laptops as an IGP. Its 89th percentile ranking and recorded OpenCL score of 63775 show it performing competitively against desktop and professional cards in that specific benchmark. Its 28 ray accelerators and support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 make it suitable for graphics workloads, and its 154.2 GPixel/s pixel rate confirms rasterization capability. The MI300A lists no ray accelerators, no tensor cores, and no API support, so it cannot execute the same graphics stack.

The database does not record a single workload where both parts appear, so any direct comparison must rely on the specification fields. Users who need a graphics output, ray tracing, and a portable form factor should look to the RX 7600M. Users who need dense compute, massive memory, and high-throughput math should look to the MI300A. The percentiles support this split: the RX 7600M’s 89th percentile reflects strong performance among all GPUs for its intended class, while the MI300A’s 50th percentile is a median placement that does not account for its unique memory and compute profile. Neither part replaces the other.

Architecture Differences

The two accelerators use fundamentally different architectures. The MI300A is built on CDNA 3.0, AMD’s compute-focused design, while the RX 7600M uses RDNA 3.0, the graphics-focused architecture. The MI300A’s chip is named Aqua Vanjaram, and the RX 7600M’s chip is Navi 33 with the codename Hotpink Bonefish. The MI300A belongs to the Instinct (MIx) generation, while the RX 7600M belongs to the Navi Mobile generation under the RX 7000M series. The MI300A’s predecessor is listed as Radeon Instinct, and the RX 7600M’s predecessor is Polaris Mobile.

Process technology differs as well. The MI300A uses a 5 nm process from TSMC, while the RX 7600M uses a 6 nm process from the same foundry. Transistor counts reflect the scale gap: the MI300A packs 153,000 million transistors into a 1017 mm² die, giving a transistor density of 150.4 million per square millimeter. The RX 7600M contains 13,300 million transistors on a 204 mm² die, with a density of 65.2 million per square millimeter. The MI300A is more than twice as dense and more than eleven times larger in die area.

Compute resources differ sharply. The MI300A has 14,592 shading units and 912 texture mapping units, with zero ROPs. The RX 7600M has 1,792 shading units, 112 TMUs, and 64 ROPs. The MI300A lists no ray accelerators, while the RX 7600M includes 28. Neither part lists tensor cores in the database. The MI300A’s shading unit count is 8.1 times that of the RX 7600M, and its TMU count is 8.1 times higher as well. The RX 7600M’s ROP presence enables pixel output, which the MI300A lacks entirely.

Memory architecture diverges completely. The MI300A uses 128 GB of HBM3 on an 8192-bit bus, producing 5.32 TB/s of bandwidth. The RX 7600M uses 8 GB of GDDR6 on a 128-bit bus, producing 256.0 GB/s. The MI300A’s memory clock is listed at 1300 MHz with 5.2 Gbps effective, while the RX 7600M runs at 2000 MHz with 16 Gbps effective. Despite the RX 7600M’s higher memory clock, the MI300A’s bus width provides 20.8 times the bandwidth. The MI300A’s memory capacity is 16 times larger.

Feature sets also differ. The MI300A supports PCIe 5.0 x16, while the RX 7600M uses PCIe 4.0 x16. The MI300A has no display outputs, and the RX 7600M’s outputs are marked as portable device dependent. The MI300A lists no API support for DirectX, OpenGL, or Vulkan, while the RX 7600M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The RX 7600M’s production status is active, while the MI300A’s status is not recorded.

Specification Differences

The recorded specification fields where the two parts differ are extensive. The MI300A’s base clock is 1000 MHz and its boost clock is 2100 MHz, while the RX 7600M has a base clock of 1500 MHz, a boost clock of 2410 MHz, and a game clock of 2070 MHz. The RX 7600M runs at higher frequencies in every category, though the MI300A compensates with far more execution units. The MI300A’s FP32 output is 61.29 TFLOPS, and the RX 7600M’s is 17.27 TFLOPS. The RX 7600M lists FP16 at 34.55 TFLOPS with a 2:1 ratio, while the MI300A does not record an FP16 figure.

Power and physical specifications are starkly different. The MI300A has a TDP of 750 W and a suggested PSU of 1150 W, with an OAM Module slot width and no power connectors. The RX 7600M has a TDP of 90 W, no suggested PSU, an IGP slot width, and no power connectors. The MI300A’s power draw is 8.3 times that of the RX 7600M. Neither part lists dimensions in the database.

Release dates differ by roughly eleven months. The MI300A was released on December 5, 2023, and the RX 7600M on January 3, 2023. Neither part has a recorded launch MSRP, so no price information appears in the database. The MI300A’s predecessor is Radeon Instinct, and the RX 7600M’s predecessor is Polaris Mobile. Neither has a listed successor. The RX 7600M’s average benchmark score is 63775, and its percentile is 89, while the MI300A’s average score is zero and its percentile is 50.

FAQ

Q: Which part has higher FP32 performance?

A: The MI300A delivers 61.29 TFLOPS in FP32, while the RX 7600M delivers 17.27 TFLOPS. The MI300A’s FP32 throughput is 3.5 times higher.

Q: How much memory and bandwidth does each part have?

A: The MI300A has 128 GB of HBM3 on an 8192-bit bus with 5.32 TB/s of bandwidth. The RX 7600M has 8 GB of GDDR6 on a 128-bit bus with 256.0 GB/s of bandwidth.

Q: What benchmark results are recorded for the RX 7600M?

A: The database records a Geekbench OpenCL score of 63775 for the RX 7600M. That score places it 0.1 percent behind the AMD Radeon RX 9060 XT LP and the NVIDIA CMP 30HX, 0.1 percent ahead of the AMD Radeon Pro Vega 56, and 0.7 percent behind the AMD Radeon Pro WX 9100.

Q: Does the MI300A support graphics APIs?

A: No. The database lists DirectX, OpenGL, and Vulkan support as N/A for the MI300A. The RX 7600M supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Q: What are the process nodes and die sizes?

A: The MI300A uses a 5 nm process with a 1017 mm² die and 153,000 million transistors. The RX 7600M uses a 6 nm process with a 204 mm² die and 13,300 million transistors.

Q: How do the power requirements compare?

A: The MI300A has a TDP of 750 W and a suggested PSU of 1150 W. The RX 7600M has a TDP of 90 W and no suggested PSU recorded. The MI300A’s TDP is 8.3 times higher.