AMD Instinct MI455X vs NVIDIA GeForce RTX 4060 Max-Q Comparison

Head-to-Head Benchmarks

The database contains no recorded head-to-head benchmark results for the AMD Instinct MI455X and the NVIDIA GeForce RTX 4060 Max-Q. Both entries show an average benchmark score of zero, and the wins counter for each product is zero. The percentile ranking for each GPU against all other recorded graphics processors is identical at the 50th percentile, which in this dataset indicates that neither part has accumulated measurable performance data points.

Without direct comparison scores, the analysis must rely on the architectural and specification data recorded for each product. The FP32 compute figures provide the clearest numerical separation between the two. The AMD Instinct MI455X records 157.3 TFLOPS of FP32 throughput, while the NVIDIA GeForce RTX 4060 Max-Q records 9.032 TFLOPS. This represents a substantial gap in raw shader compute, with the AMD part delivering roughly 17.4 times the FP32 throughput of the NVIDIA part. The FP16 figures mirror this relationship exactly, with both products listed at a 1:1 ratio for FP16 relative to FP32, so the AMD accelerator again records 157.3 TFLOPS against 9.032 TFLOPS for the NVIDIA mobile GPU.

Texture rate tells a similar story. The Instinct MI455X achieves 2,457.6 GTexel/s, whereas the RTX 4060 Max-Q achieves 141.1 GTexel/s. That places the AMD part approximately 17.4 times higher in texture fill capability, consistent with the FP32 ratio. Pixel rate is a different matter entirely. The AMD Instinct MI455X records 0 MPixel/s, meaning it has no raster output pipeline for traditional pixel rendering. The NVIDIA GeForce RTX 4060 Max-Q records 70.56 GPixel/s, giving it a definitive advantage in any workload that requires pixel generation. This is the clearest single benchmark category where the NVIDIA part wins outright, because the AMD accelerator simply does not perform pixel operations.

Memory bandwidth also separates the two decisively. The AMD Instinct MI455X records 23.3 TB/s of bandwidth across a 24576-bit bus, while the RTX 4060 Max-Q records 256.0 GB/s across a 128-bit bus. The AMD part holds a bandwidth advantage of roughly 91 times. The recorded data shows no overlapping benchmark categories where both products have comparable scores, so the head-to-head picture is defined entirely by these specification-derived performance indicators.

Architecture Differences

The two products come from different architectural lineages and target different computing roles. The AMD Instinct MI455X uses the CDNA 5.0 architecture, a compute-optimized design with no graphics-centric features. The chip is designated MI450 256CU, reflecting a large compute unit count. The NVIDIA GeForce RTX 4060 Max-Q uses the Ada Lovelace architecture on the AD107 chip, which is a graphics and ray tracing design for mobile systems.

The process nodes differ. AMD lists the MI455X on a 2 nm node at TSMC, while NVIDIA lists the RTX 4060 Max-Q on a 5 nm node, also at TSMC. Transistor counts show the scale difference: the AMD chip contains 320,000 million transistors on a die size of 2990 mm², giving a transistor density of 107.0M per mm². The NVIDIA chip contains 18,900 million transistors on a 159 mm² die, giving a higher density of 118.9M per mm². The AMD die is roughly 18.8 times larger in area and holds roughly 16.9 times more transistors.

Shader resources are vastly different. The Instinct MI455X records 32,768 shading units and 1,024 texture mapping units, with zero ROPs. The RTX 4060 Max-Q records 3,072 shading units, 96 TMUs, and 48 ROPs. The NVIDIA part also includes 24 ray tracing cores and 96 tensor cores, features that are entirely absent from the AMD specification, which lists no ray tracing cores and no tensor cores. This reflects the CDNA design philosophy: massive parallel compute without graphics acceleration hardware.

Memory architecture differs completely. The AMD accelerator uses 432 GB of HBM4 memory on a 24576-bit bus, while the NVIDIA mobile GPU uses 8 GB of GDDR6 on a 128-bit bus. The AMD memory clock is listed at 1900 MHz with 7.6 Gbps effective, while the NVIDIA memory clock is 2000 MHz with 16 Gbps effective. The NVIDIA part runs its memory at a higher effective data rate per pin, but the AMD part's enormous bus width produces far greater total bandwidth.

API support also separates the products. The AMD Instinct MI455X has no recorded support for DirectX, OpenGL, or Vulkan, all marked as N/A. The NVIDIA GeForce RTX 4060 Max-Q supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD product is not a graphics API device; it is an accelerator with no display outputs. The NVIDIA product's display outputs are listed as portable device dependent, meaning it is designed to drive laptop panels.

Where Each One Wins

The recorded data indicates that the AMD Instinct MI455X wins in raw compute throughput, texture processing, memory capacity, and memory bandwidth. The FP32 figure of 157.3 TFLOPS and the texture rate of 2,457.6 GTexel/s position it for large-scale parallel workloads, particularly those that stress dense matrix math or high-bandwidth data movement. The 432 GB memory pool is the largest memory configuration in this comparison, and the 23.3 TB/s bandwidth allows that memory to be fed at a scale that the NVIDIA part cannot approach. For workloads that fit the CDNA model, which excludes traditional graphics rendering, the AMD accelerator dominates on every measured compute axis.

The NVIDIA GeForce RTX 4060 Max-Q wins in pixel rendering, graphics API compatibility, ray tracing, and tensor processing. The 70.56 GPixel/s pixel rate is a category where the AMD part records zero output, so the NVIDIA GPU is the only one of the two that can generate framebuffers. The 24 ray tracing cores and 96 tensor cores give it dedicated hardware for ray-traced effects and AI-accelerated workloads, neither of which exists on the AMD accelerator. The API support for DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 means the NVIDIA part can run conventional graphics applications, while the AMD part has no API path to such software.

The power envelope further separates their intended usage. The AMD Instinct MI455X records a TDP of 2300 W with a suggested PSU of 2700 W, while the NVIDIA GeForce RTX 4060 Max-Q records a TDP of 35 W. The AMD part is a board-level accelerator module, listed as an EAM Module with no power connectors, whereas the NVIDIA part is an integrated graphics processor, listed as IGP, also with no power connectors. These figures point to entirely different deployment contexts: one in a datacenter chassis with massive power delivery, the other in a thin-and-light laptop.

Specification Differences

The following fields differ between the two products. The AMD Instinct MI455X is built on CDNA 5.0, while the NVIDIA GeForce RTX 4060 Max-Q uses Ada Lovelace. The AMD chip is the MI450 256CU, the NVIDIA chip is the AD107. The AMD part belongs to the Instinct (MIx) generation, the NVIDIA part to the GeForce 40 Mobile generation. Process node: 2 nm versus 5 nm. Transistors: 320,000 million versus 18,900 million. Die size: 2990 mm² versus 159 mm². Transistor density: 107.0M per mm² versus 118.9M per mm².

Base clock: 1000 MHz versus 1140 MHz. Boost clock: 2400 MHz versus 1470 MHz. Memory clock: 1900 MHz at 7.6 Gbps effective versus 2000 MHz at 16 Gbps effective. Memory size: 432 GB versus 8 GB. Memory type: HBM4 versus GDDR6. Bus width: 24576 bit versus 128 bit. Memory bandwidth: 23.3 TB/s versus 256.0 GB/s. Shading units: 32768 versus 3072. TMUs: 1024 versus 96. ROPs: 0 versus 48. Ray tracing cores: absent versus 24. Tensor cores: absent versus 96.

Pixel rate: 0 MPixel/s versus 70.56 GPixel/s. Texture rate: 2,457.6 GTexel/s versus 141.1 GTexel/s. FP32: 157.3 TFLOPS versus 9.032 TFLOPS. FP16: 157.3 TFLOPS (1:1) versus 9.032 TFLOPS (1:1). TDP: 2300 W versus 35 W. Slot width: EAM Module versus IGP. Suggested PSU: 2700 W versus null. Bus interface: PCIe 6.0 x16 versus PCIe 4.0 x8. Display outputs: no outputs versus portable device dependent. API support: all N/A versus DirectX 12 Ultimate, OpenGL 4.6, Vulkan 1.4. Release date: 2026-07-22 versus 2023-01-02. Predecessor: Radeon Instinct versus GeForce 30 Mobile. Successor: null versus GeForce 50 Mobile. Production status: null versus Active.

FAQ

Q: Which GPU has higher FP32 compute performance?

A: The AMD Instinct MI455X records 157.3 TFLOPS of FP32 throughput, while the NVIDIA GeForce RTX 4060 Max-Q records 9.032 TFLOPS. The AMD part holds roughly a 17.4 times advantage in this metric.

Q: Does the AMD Instinct MI455X support ray tracing?

A: No. The AMD Instinct MI455X lists no ray tracing cores. The NVIDIA GeForce RTX 4060 Max-Q includes 24 ray tracing cores.

Q: What is the memory capacity difference?

A: The AMD Instinct MI455X has 432 GB of HBM4 memory, while the NVIDIA GeForce RTX 4060 Max-Q has 8 GB of GDDR6 memory.

Q: Which product supports graphics APIs?

A: The NVIDIA GeForce RTX 4060 Max-Q supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The AMD Instinct MI455X has no recorded API support, with DirectX, OpenGL, and Vulkan all listed as N/A.

Q: How do the pixel rates compare?

A: The NVIDIA GeForce RTX 4060 Max-Q records 70.56 GPixel/s. The AMD Instinct MI455X records 0 MPixel/s, meaning it has no pixel rendering capability.

Q: What are the TDP figures for each product?

A: The AMD Instinct MI455X records a TDP of 2300 W with a suggested PSU of 2700 W. The NVIDIA GeForce RTX 4060 Max-Q records a TDP of 35 W and has no suggested PSU listed.

The Verdict

The recorded data describes two products that do not compete in the same segment. The AMD Instinct MI455X is a compute accelerator with 157.3 TFLOPS of FP32 throughput, 432 GB of HBM4 memory, 23.3 TB/s of bandwidth, and no graphics output. The NVIDIA GeForce RTX 4060 Max-Q is a mobile graphics processor with 9.032 TFLOPS of FP32 throughput, 8 GB of GDDR6 memory, 256.0 GB/s of bandwidth, 70.56 GPixel/s of pixel rate, and full graphics API support.

A system builder selecting for dense parallel compute, massive memory capacity, or high-bandwidth data movement would choose the AMD Instinct MI455X based on its recorded specifications. A system builder selecting for traditional rendering, ray tracing, tensor acceleration, or laptop integration would choose the NVIDIA GeForce RTX 4060 Max-Q. The AMD part requires a 2700 W suggested PSU and occupies an EAM Module slot, while the NVIDIA part draws 35 W and is an IGP. The data confirms that no single product wins across all categories; the correct selection depends entirely on whether the workload requires pixel generation and graphics APIs or raw compute scale.