AMD Instinct MI300 vs NVIDIA GeForce RTX 4060 Max-Q Comparison

Where Each One Wins

The AMD Instinct MI300 and NVIDIA GeForce RTX 4060 Max-Q occupy entirely different segments of the GPU market, and the recorded data reflects this split clearly. The MI300 is a data center accelerator built for compute throughput, while the RTX 4060 Max-Q is a mobile graphics processor designed for laptops. Neither part wins across the board; each dominates in the categories that matter for its intended use case.

The MI300 wins decisively in raw compute throughput. Its FP32 rating of 47.87 TFLOPS is more than five times the 9.032 TFLOPS of the RTX 4060 Max-Q. The same ratio appears in FP16, where the MI300 again delivers 47.87 TFLOPS versus 9.032 TFLOPS. Texture rate follows the same pattern: 1,496.0 GTexel/s against 141.1 GTexel/s. Memory bandwidth is another landslide, with the MI300 at 5.32 TB/s compared to 256.0 GB/s. These are not close contests; the MI300 is in a different performance class entirely.

The RTX 4060 Max-Q wins in the categories that define client-side graphics and mobility. It has a pixel rate of 70.56 GPixel/s, while the MI300 records 0 MPixel/s because it has no ROPs and no display outputs. The NVIDIA part supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4; the MI300 lists N/A for all three APIs. The RTX 4060 Max-Q also carries 24 RT cores and 96 tensor cores, features absent from the MI300's specification sheet. Power consumption is another clear win: 35 W versus 600 W, a factor of roughly 17.

The data shows a compute monster versus a graphics and mobility specialist. The MI300 wins every throughput metric; the RTX 4060 Max-Q wins every feature and efficiency metric tied to rendering and portable operation.

Architecture Differences

The two GPUs share a foundry and process node but diverge sharply in every other architectural choice. Both use TSMC at 5 nm, but the MI300 is built on AMD's CDNA 3.0 architecture with the Aqua Vanjaram chip, while the RTX 4060 Max-Q uses NVIDIA's Ada Lovelace architecture with the AD107 chip.

Transistor counts and die sizes illustrate the scale gap. The MI300 packs 153,000 million transistors onto a 1017 mm² die, yielding a transistor density of 150.4M per mm². The RTX 4060 Max-Q has 18,900 million transistors on a 159 mm² die, with a density of 118.9M per mm². The MI300 die is roughly 6.4 times larger and holds about 8.1 times more transistors.

Memory subsystems are fundamentally different. The MI300 uses 128 GB of HBM3 across an 8192-bit bus, producing 5.32 TB/s of bandwidth. The RTX 4060 Max-Q uses 8 GB of GDDR6 on a 128-bit bus, producing 256.0 GB/s. The bus width difference is extreme: 8192 bits versus 128 bits, a 64-fold gap.

Compute resources also diverge. The MI300 has 14,080 shading units, 880 TMUs, and no ROPs. The RTX 4060 Max-Q has 3,072 shading units, 96 TMUs, and 48 ROPs. The NVIDIA part adds 24 RT cores and 96 tensor cores, neither of which appears in the MI300's specification. Clock behavior differs as well: the MI300 runs at a 1000 MHz base and 1700 MHz boost, while the RTX 4060 Max-Q runs at 1140 MHz base and 1470 MHz boost.

Power delivery reflects the intended environments. The MI300 draws 600 W, uses 2x 8-pin power connectors, and requires a 1000 W suggested PSU. The RTX 4060 Max-Q draws 35 W, uses no external power connectors, and lists no suggested PSU. The MI300 connects via PCIe 5.0 x16; the RTX 4060 Max-Q uses PCIe 4.0 x8. The MI300 has no display outputs; the RTX 4060 Max-Q's outputs are portable device dependent.

FAQ

Q: Which GPU has more FP32 compute power?

A: The AMD Instinct MI300 delivers 47.87 TFLOPS of FP32, compared to 9.032 TFLOPS for the NVIDIA GeForce RTX 4060 Max-Q. The MI300 is roughly 5.3 times faster in this metric.

Q: Does the RTX 4060 Max-Q support ray tracing?

A: Yes. The RTX 4060 Max-Q includes 24 RT cores and 96 tensor cores, and its API support includes DirectX 12 Ultimate. The MI300 lists no RT cores or tensor cores and shows N/A for DirectX, OpenGL, and Vulkan.

Q: What memory configurations do these GPUs use?

A: The MI300 has 128 GB of HBM3 on an 8192-bit bus with 5.32 TB/s bandwidth. The RTX 4060 Max-Q has 8 GB of GDDR6 on a 128-bit bus with 256.0 GB/s bandwidth.

Q: Which GPU is more power efficient?

A: The RTX 4060 Max-Q has a 35 W TDP, while the MI300 has a 600 W TDP. The RTX 4060 Max-Q uses no external power connectors; the MI300 requires 2x 8-pin connectors and a 1000 W suggested PSU.

Q: Can the MI300 output video to a display?

A: No. The MI300 lists "No outputs" for display outputs and has a pixel rate of 0 MPixel/s with no ROPs. The RTX 4060 Max-Q has display outputs described as portable device dependent.

Q: What process node do both GPUs use?

A: Both are manufactured by TSMC on a 5 nm process. The MI300 uses AMD's CDNA 3.0 architecture, and the RTX 4060 Max-Q uses NVIDIA's Ada Lovelace architecture.

Specification Differences

| Specification | AMD Instinct MI300 | NVIDIA GeForce RTX 4060 Max-Q |

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

| Architecture | CDNA 3.0 | Ada Lovelace |

| Chip | Aqua Vanjaram | AD107 |

| Transistors | 153,000 million | 18,900 million |

| Die Size | 1017 mm² | 159 mm² |

| Transistor Density | 150.4M / mm² | 118.9M / mm² |

| Base Clock | 1000 MHz | 1140 MHz |

| Boost Clock | 1700 MHz | 1470 MHz |

| Memory Size | 128 GB | 8 GB |

| Memory Type | HBM3 | GDDR6 |

| Memory Bus Width | 8192 bit | 128 bit |

| Memory Bandwidth | 5.32 TB/s | 256.0 GB/s |

| Shading Units | 14,080 | 3,072 |

| TMUs | 880 | 96 |

| ROPs | 0 | 48 |

| RT Cores | None listed | 24 |

| Tensor Cores | None listed | 96 |

| Pixel Rate | 0 MPixel/s | 70.56 GPixel/s |

| Texture Rate | 1,496.0 GTexel/s | 141.1 GTexel/s |

| FP32 | 47.87 TFLOPS | 9.032 TFLOPS |

| FP16 | 47.87 TFLOPS (1:1) | 9.032 TFLOPS (1:1) |

| TDP | 600 W | 35 W |

| Power Connectors | 2x 8-pin | None |

| Suggested PSU | 1000 W | None listed |

| Bus Interface | PCIe 5.0 x16 | PCIe 4.0 x8 |

| Display Outputs | No outputs | Portable Device Dependent |

| DirectX | N/A | 12 Ultimate (12_2) |

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Slot Width | None listed | IGP |

| Production Status | None listed | Active |

| Predecessor | Radeon Instinct | GeForce 30 Mobile |

| Successor | None listed | GeForce 50 Mobile |

Head-to-Head Benchmarks

The two GPUs share no overlapping benchmark entries in the database, so direct comparative scores are unavailable. However, the specification-level measurements provide clear performance deltas across every meaningful compute metric.

The largest single gap is memory bandwidth. The MI300's 5.32 TB/s is 20.8 times the RTX 4060 Max-Q's 256.0 GB/s. This follows from the bus width difference: 8192 bits versus 128 bits. For memory-bound workloads, the MI300 operates in a different regime entirely.

FP32 throughput shows a 5.3-fold advantage for the MI300: 47.87 TFLOPS versus 9.032 TFLOPS. FP16 follows identically, since both parts list 1:1 FP16/FP32 ratios. Texture rate gives the MI300 a 10.6-fold lead at 1,496.0 GTexel/s versus 141.1 GTexel/s, consistent with its 880 TMUs against 96.

The RTX 4060 Max-Q wins the pixel throughput comparison, but only because the MI300 has no ROPs at all. The NVIDIA part records 70.56 GPixel/s, while the MI300 sits at 0 MPixel/s. The MI300 is not designed for rasterization; it has no display pipeline and no graphics API support. The RTX 4060 Max-Q also carries dedicated ray tracing and tensor hardware, with 24 RT cores and 96 tensor cores, features entirely absent from the MI300's specification.

Clock speeds tell a mixed story. The RTX 4060 Max-Q has a higher base clock at 1140 MHz versus 1000 MHz, but the MI300 has a higher boost clock at 1700 MHz versus 1470 MHz. The MI300 also uses a higher memory clock at 1300 MHz with 5.2 Gbps effective, while the RTX 4060 Max-Q runs at 2000 MHz with 16 Gbps effective. Effective memory speed is higher on the NVIDIA part, but total bandwidth is dominated by the MI300's massive bus.

Transistor density favors the MI300 at 150.4M per mm² versus 118.9M per mm², indicating a denser packing on the larger die. Power efficiency favors the RTX 4060 Max-Q in absolute terms: 35 W versus 600 W. The MI300 delivers its compute lead while consuming roughly 17 times the power.

The Verdict

The data supports a straightforward split. The AMD Instinct MI300 is the choice for compute-heavy, memory-bandwidth-bound, server-side workloads. Its 47.87 TFLOPS FP32, 5.32 TB/s memory bandwidth, and 128 GB HBM3 capacity place it in a class the RTX 4060 Max-Q cannot approach. Its 600 W TDP, 2x 8-pin connectors, and 1000 W suggested PSU confirm a data center orientation. The absence of display outputs, ROPs, and graphics API support means it is not a rendering device.

The NVIDIA GeForce RTX 4060 Max-Q is the choice for mobile graphics and client rendering. Its 70.56 GPixel/s pixel rate, 24 RT cores, 96 tensor cores, and DirectX 12 Ultimate support give it a complete graphics feature set. Its 35 W TDP and lack of external power connectors suit laptop integration. The 8 GB GDDR6 memory and 256.0 GB/s bandwidth are modest but appropriate for its form factor.

The MI300 wins throughput; the RTX 4060 Max-Q wins graphics capability and mobility. Selecting between them depends entirely on whether the workload is compute or rendering, stationary or portable. The benchmark data offers no overlap, and the specification gaps make that separation definitive.