AMD Radeon Instinct MI60 vs AMD Radeon RX 7900M Comparison

The AMD Radeon RX 7900M and AMD Radeon Instinct MI60 represent two very different eras of AMD GPU design, yet their average benchmark scores place them in a close fight. The data shows the RX 7900M holds a 5.4% lead in average benchmark score over the Instinct MI60, with scores of 97,487 and 92,466 respectively. Both cards sit in the 94th and 93rd percentile of all GPUs, making them top-tier performers, but their architectural philosophies and intended workloads diverge sharply. The RX 7900M is a modern mobile graphics solution built on RDNA 3.0, while the Instinct MI60 is a data-center compute accelerator based on the older GCN 5.1 architecture.

Head-to-Head Benchmarks

The most striking result in the comparison is the Vulkan performance gap. In the Geekbench Vulkan test, the RX 7900M scores 158,760 points against the Instinct MI60’s 92,444 points, a massive 71.7% advantage for the newer card. This is not a marginal win but a decisive generational leap, reflecting the RX 7900M’s modern graphics pipeline and driver optimizations for contemporary APIs. The Instinct MI60, despite being a high-end accelerator, appears to lack the architectural features needed to keep pace in this workload.

In OpenCL, the RX 7900M again takes the lead, scoring 129,499 versus the Instinct MI60’s 92,488 points. This translates to a 40% advantage, which is substantial but less dramatic than the Vulkan result. OpenCL is often used for compute tasks, and the RX 7900M’s higher FP32 throughput of 38.52 TFLOPS, compared to the Instinct MI60’s 14.75 TFLOPS, helps explain the gap. The RX 7900M wins both head-to-head tests, giving it a clean 2-0 record, while the Instinct MI60 has zero wins in this comparison.

Looking at rival positioning, the RX 7900M’s nearest competitor is the AMD Radeon Pro VII, which scores 97,131 and trails by just 0.4%. The Instinct MI60, meanwhile, sits close to the NVIDIA RTX A4500, which scores 91,671 and is only 0.9% behind. Notably, the Instinct MI60’s own data lists the RX 7900M as a rival, with a deltaPct of -5.2%, meaning the RX 7900M beats it by that margin. This confirms that despite the Instinct MI60’s massive memory capacity and bandwidth, it cannot overcome the RX 7900M’s raw compute and graphics performance in these synthetic benchmarks.

Architecture Differences

The architectural gap between these two GPUs is generational. The RX 7900M uses the Navi 31 chip built on a 5 nm process at TSMC, while the Instinct MI60 relies on the Vega 20 chip fabricated on a 7 nm node. This process shrink allows the RX 7900M to pack 57,700 million transistors into a 529 mm² die, yielding a transistor density of 109.1M per mm². The Instinct MI60, by contrast, has 13,230 million transistors on a 331 mm² die, with a density of just 40.0M per mm². The RX 7900M’s density is nearly three times higher, enabling far more compute units in a smaller relative footprint.

Clock speeds further separate the two. The RX 7900M has a base clock of 1825 MHz and a boost clock of 2090 MHz, while the Instinct MI60 operates at a 1200 MHz base and 1800 MHz boost. This 290 MHz boost advantage, combined with the newer architecture, drives the RX 7900M’s superior performance. The RX 7900M also supports DirectX 12 Ultimate (12_2) and Vulkan 1.4, whereas the Instinct MI60 is limited to DirectX 12 (12_1) and Vulkan 1.3, which explains the Vulkan benchmark disparity.

Memory architecture is where the Instinct MI60 fights back. It features 32 GB of HBM2 memory on a 4096-bit bus, delivering 1.02 TB/s of bandwidth. The RX 7900M has 16 GB of GDDR6 on a 256-bit bus, offering 576.0 GB/s. The Instinct MI60’s bandwidth is nearly double, which is critical for large data-center workloads. However, the RX 7900M compensates with higher memory clock speeds: 2250 MHz (18 Gbps effective) versus the Instinct MI60’s 1000 MHz (2 Gbps effective). The RX 7900M also has more shading units (4608 vs 4096), more texture mapping units (288 vs 256), and triple the render output units (192 vs 64). It also includes 72 ray-tracing cores, which the Instinct MI60 lacks entirely.

Where Each One Wins

The RX 7900M is the clear winner for graphics-intensive applications and modern gaming workloads. Its DirectX 12 Ultimate support, ray-tracing cores, and Vulkan 1.4 compliance make it suitable for real-time rendering and consumer-facing tasks. The data shows it excels in both OpenCL and Vulkan benchmarks, with a 40% and 71.7% lead respectively. Its higher pixel rate of 401.3 GPixel/s, versus the Instinct MI60’s 115.2 GPixel/s, and texture rate of 601.9 GTexel/s, versus 460.8 GTexel/s, reinforce its superiority in rasterization-heavy scenarios. It is also a mobile part with an IGP slot width and no power connectors, making it suitable for laptops, despite its 180 W TDP.

The Instinct MI60, on the other hand, is designed for compute-heavy, memory-bound tasks where capacity and bandwidth outweigh raw speed. Its 32 GB of HBM2 memory and 1.02 TB/s bandwidth are its standout features, far exceeding the RX 7900M’s 16 GB and 576.0 GB/s. This makes it better suited for large datasets, scientific simulations, or machine learning inference where data residency is paramount. Its 300 W TDP, dual-slot design, and 1x 6-pin + 1x 8-pin power connectors indicate a workstation or server environment, not a mobile one. The Instinct MI60’s 64 ROPs, while lower than the RX 7900M’s 192, do not hinder compute throughput in the same way, as those workloads rely more on shader and memory performance.

For mixed workloads, the RX 7900M’s 38.52 TFLOPS FP32 and 77.05 TFLOPS FP16 (2:1) dwarf the Instinct MI60’s 14.75 TFLOPS and 29.49 TFLOPS respectively. However, the Instinct MI60’s 4096-bit bus and higher memory capacity give it an edge in scenarios where data does not fit into the RX 7900M’s smaller frame buffer. The RX 7900M wins on speed and efficiency; the Instinct MI60 wins on scale and bandwidth.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The AMD Radeon RX 7900M has a higher average benchmark score of 97,487, compared to the AMD Radeon Instinct MI60’s 92,466, a 5.4% difference.

Q: How large is the Vulkan performance gap between the two cards?

A: The RX 7900M scores 158,760 in Geekbench Vulkan, while the Instinct MI60 scores 92,444, giving the RX 7900M a 71.7% lead.

Q: Does the Instinct MI60 have more memory bandwidth than the RX 7900M?

A: Yes, the Instinct MI60 offers 1.02 TB/s of bandwidth from 32 GB of HBM2 on a 4096-bit bus, while the RX 7900M provides 576.0 GB/s from 16 GB of GDDR6 on a 256-bit bus.

Q: What architecture does each GPU use?

A: The RX 7900M uses RDNA 3.0 with the Navi 31 chip, while the Instinct MI60 uses GCN 5.1 with the Vega 20 chip.

Q: Which card supports ray tracing?

A: The RX 7900M has 72 ray-tracing cores, whereas the Instinct MI60 has no ray-tracing cores listed.

Q: What are the TDPs of these two cards?

A: The RX 7900M has a TDP of 180 W, while the Instinct MI60 has a higher TDP of 300 W.

Specification Differences

| Specification | AMD Radeon RX 7900M | AMD Radeon Instinct MI60 |

|---|---|---|

| Architecture | RDNA 3.0 | GCN 5.1 |

| Process Node | 5 nm | 7 nm |

| Transistors | 57,700 million | 13,230 million |

| Die Size | 529 mm² | 331 mm² |

| Transistor Density | 109.1M / mm² | 40.0M / mm² |

| Base Clock | 1825 MHz | 1200 MHz |

| Boost Clock | 2090 MHz | 1800 MHz |

| Memory Size | 16 GB | 32 GB |

| Memory Type | GDDR6 | HBM2 |

| Memory Bus Width | 256 bit | 4096 bit |

| Memory Bandwidth | 576.0 GB/s | 1.02 TB/s |

| Memory Clock | 2250 MHz (18 Gbps effective) | 1000 MHz (2 Gbps effective) |

| Shading Units | 4608 | 4096 |

| TMUs | 288 | 256 |

| ROPs | 192 | 64 |

| Ray Tracing Cores | 72 | None |

| Pixel Rate | 401.3 GPixel/s | 115.2 GPixel/s |

| Texture Rate | 601.9 GTexel/s | 460.8 GTexel/s |

| FP32 Performance | 38.52 TFLOPS | 14.75 TFLOPS |

| FP16 Performance | 77.05 TFLOPS (2:1) | 29.49 TFLOPS (2:1) |

| TDP | 180 W | 300 W |

| Slot Width | IGP | Dual-slot |

| Power Connectors | None | 1x 6-pin + 1x 8-pin |

| Suggested PSU | None | 700 W |

| DirectX Support | 12 Ultimate (12_2) | 12 (12_1) |

| Vulkan Support | 1.4 | 1.3 |

| Display Outputs | Portable Device Dependent | 1x mini-DisplayPort 1.4a |

| Dimensions | Not listed | 267 mm (10.5 inches) length, 111 mm (4.4 inches) height |

| Production Status | Active | End-of-life |

| Release Date | 2023-10-18 | 2018-11-17 |