AMD Instinct MI300 vs NVIDIA GeForce RTX 4060 AD106 Comparison

FAQ

Q: What are the core architectural identities of these two processors?

A: The AMD Instinct MI300 is built on the CDNA 3.0 architecture, using the Aqua Vanjaram chip. The NVIDIA GeForce RTX 4060 AD106 uses the Ada Lovelace architecture on the AD106 chip. Both are manufactured on a 5 nm process at TSMC.

Q: How do their memory subsystems compare?

A: The MI300 features 128 GB of HBM3 memory on an 8192-bit bus, delivering 5.32 TB/s of bandwidth. The RTX 4060 has 8 GB of GDDR6 on a 128-bit bus, with 272.0 GB/s of bandwidth. The MI300 memory bus is 64 times wider and bandwidth is roughly 19.5 times higher.

Q: Which processor has higher compute throughput?

A: The MI300 delivers 47.87 TFLOPS FP32 and 47.87 TFLOPS FP16 (1:1). The RTX 4060 provides 15.11 TFLOPS FP32 and 15.11 TFLOPS FP16 (1:1). The MI300 is approximately 3.17 times higher in both FP32 and FP16 peak throughput.

Q: What are the power requirements for each?

A: The MI300 has a TDP of 600 W, uses 2x 8-pin power connectors, and requires a suggested PSU of 1000 W. The RTX 4060 has a TDP of 115 W, uses 1x 12-pin power connector, and requires a suggested PSU of 300 W.

Q: What is the display output capability of each?

A: The MI300 has no display outputs, as it is an accelerator. The RTX 4060 includes 1x HDMI 2.1 and 3x DisplayPort 1.4a outputs.

Q: How do their transistor counts and die sizes differ?

A: The MI300 packs 153,000 million transistors on a 1017 mm² die, achieving a density of 150.4M transistors per mm². The RTX 4060 contains 22,900 million transistors on a 188 mm² die, with a density of 121.8M per mm².

The Verdict

The data describes two processors with entirely different design targets. The AMD Instinct MI300 is a data center accelerator, evidenced by its 128 GB HBM3 memory, 8192-bit bus, 5.32 TB/s bandwidth, and the absence of display outputs. The NVIDIA GeForce RTX 4060 AD106 is a consumer graphics card, shown by its 8 GB GDDR6 memory, 128-bit bus, 272.0 GB/s bandwidth, and four display outputs.

For compute-heavy workloads that depend on raw FP32 or FP16 throughput, the MI300 is the clear choice. It delivers 47.87 TFLOPS in both precisions, which is 3.17 times the 15.11 TFLOPS of the RTX 4060. The MI300 also provides substantially more memory capacity and bandwidth, factors that dominate large data set performance.

For client-side graphics, rendering, and display tasks, the RTX 4060 is the only viable option between the two, as the MI300 lacks any display outputs. The RTX 4060 also offers hardware ray tracing with 24 RT cores and 96 tensor cores, features that are not listed for the MI300. The RTX 4060 is end-of-life per the production status, while the MI300 has no production status listed.

The MI300 is a server accelerator with a 600 W TDP, 2x 8-pin connectors, and a 1000 W suggested PSU. The RTX 4060 is a dual-slot consumer card with a 115 W TDP, a single 12-pin connector, and a 300 W suggested PSU. The choice depends entirely on workload class. The MI300 addresses compute and memory-bound acceleration. The RTX 4060 addresses graphics, ray tracing, and display-oriented tasks.

Head-to-Head Benchmarks

The recorded database contains no direct benchmark scores for either processor. The average benchmark score for both is 0, and the percentile versus all GPUs is 50 for each. There are no head-to-head benchmark entries, and no rival comparison data is available. The nearest rivals lists are empty for both items.

Because direct measured results are absent, the comparison must rely on the specification-level data provided in the database. The MI300 shows a dominant position in raw compute and memory metrics. Its FP32 throughput of 47.87 TFLOPS is 3.17 times that of the RTX 4060's 15.11 TFLOPS. Its FP16 throughput follows the same 1:1 ratio pattern, again 47.87 TFLOPS versus 15.11 TFLOPS.

Memory bandwidth shows the largest proportional gap. The MI300's 5.32 TB/s is approximately 19.5 times the RTX 4060's 272.0 GB/s. The MI300's 128 GB capacity is 16 times the RTX 4060's 8 GB. Texture rate also favors the MI300, at 1,496.0 GTexel/s versus 236.2 GTexel/s, a factor of roughly 6.3.

The RTX 4060 wins in pixel processing. Its pixel rate is 118.1 GPixel/s, while the MI300 lists 0 MPixel/s. The RTX 4060 also has 48 ROPs, while the MI300 lists 0 ROPs. The RTX 4060 has 24 RT cores and 96 tensor cores, neither of which is listed for the MI300. The MI300 has 14,080 shading units versus 3,072 for the RTX 4060, a 4.58 times difference. TMUs are 880 versus 96, a 9.17 times difference.

Clock speeds favor the RTX 4060. Its base clock is 1830 MHz and boost is 2460 MHz, compared to the MI300's 1000 MHz base and 1700 MHz boost. The RTX 4060 also has a higher memory clock at 2125 MHz (17 Gbps effective) versus 1300 MHz (5.2 Gbps effective). The MI300 compensates with its far wider 8192-bit bus versus 128-bit.

The MI300 uses PCIe 5.0 x16, while the RTX 4060 uses PCIe 4.0 x8. The RTX 4060 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI300 lists N/A for all three APIs.

Specification Differences

The two processors differ across nearly every recorded specification. The MI300 is an AMD Instinct part with no series designation, while the RTX 4060 belongs to the GeForce 40-series. The MI300 uses the Aqua Vanjaram chip under CDNA 3.0, while the RTX 4060 uses the AD106 chip under Ada Lovelace. The MI300 is from the Instinct (MIx) generation, while the RTX 4060 is from GeForce 40.

Transistor count differs significantly: 153,000 million for the MI300 versus 22,900 million for the RTX 4060. Die size is 1017 mm² versus 188 mm². Transistor density is 150.4M per mm² versus 121.8M per mm². Both are 5 nm TSMC parts.

Clock speeds differ in base, boost, and memory. The MI300 runs at 1000 MHz base and 1700 MHz boost, with memory at 1300 MHz (5.2 Gbps effective). The RTX 4060 runs at 1830 MHz base and 2460 MHz boost, with memory at 2125 MHz (17 Gbps effective). The MI300 has no game clock listed; neither has a game clock.

Memory configuration is a major divider. The MI300 uses 128 GB HBM3 on an 8192-bit bus with 5.32 TB/s bandwidth. The RTX 4060 uses 8 GB GDDR6 on a 128-bit bus with 272.0 GB/s bandwidth.

Compute unit counts differ. The MI300 has 14,080 shading units, 880 TMUs, and 0 ROPs. The RTX 4060 has 3,072 shading units, 96 TMUs, and 48 ROPs. The MI300 lists no RT cores or tensor cores. The RTX 4060 has 24 RT cores and 96 tensor cores.

Rates differ. The MI300 has a pixel rate of 0 MPixel/s and a texture rate of 1,496.0 GTexel/s. The RTX 4060 has a pixel rate of 118.1 GPixel/s and a texture rate of 236.2 GTexel/s. FP32 and FP16 are 47.87 TFLOPS for the MI300, versus 15.11 TFLOPS for the RTX 4060.

Power and physical specs differ. The MI300 has a 600 W TDP, 2x 8-pin connectors, and a 1000 W suggested PSU. The RTX 4060 has a 115 W TDP, 1x 12-pin connector, and a 300 W suggested PSU. The MI300 has no slot width listed; the RTX 4060 is dual-slot. The MI300 is 267 mm long and 111 mm high; the RTX 4060 has no dimensions listed.

Interface and output differ. The MI300 uses PCIe 5.0 x16 and has no display outputs. The RTX 4060 uses PCIe 4.0 x8 and has 1x HDMI 2.1 plus 3x DisplayPort 1.4a. The MI300 lists N/A for DirectX, OpenGL, and Vulkan. The RTX 4060 lists 12 Ultimate (12_2), 4.6, and 1.4 respectively.

Release timing differs. The MI300 was released on 2023-01-03. The RTX 4060 AD106 was released on 2024-03-31. The MI300 lists no production status; the RTX 4060 is end-of-life. The MI300 predecessor is Radeon Instinct; the RTX 4060 predecessor is GeForce 30. The MI300 has no successor listed; the RTX 4060 successor is GeForce 50. Neither has a launch MSRP listed.

Architecture Differences

The MI300 uses the CDNA 3.0 architecture, a compute-focused design from AMD. The RTX 4060 uses the Ada Lovelace architecture, NVIDIA's graphics-oriented design. The MI300 is built on the Aqua Vanjaram chip, while the RTX 4060 uses the AD106 chip.

The most visible architectural divergence is in functional units. The MI300 has 14,080 shading units and 880 TMUs, but zero ROPs and zero pixel rate. This indicates a design that omits the traditional rasterization output pipeline. The RTX 4060 has 3,072 shading units, 96 TMUs, 48 ROPs, and a pixel rate of 118.1 GPixel/s, confirming a full graphics pipeline.

The MI300 has no RT cores or tensor cores listed. The RTX 4060 includes 24 RT cores and 96 tensor cores, providing dedicated hardware for ray tracing and tensor operations. The MI300's API support is listed as N/A for DirectX, OpenGL, and Vulkan, reinforcing its role outside conventional graphics APIs. The RTX 4060 supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4.

Memory architecture differs fundamentally. The MI300 uses HBM3 with an 8192-bit bus, a configuration optimized for bandwidth density. The RTX 4060 uses GDDR6 with a 128-bit bus, a conventional consumer memory layout. The MI300's 5.32 TB/s bandwidth and 128 GB capacity reflect a data center memory hierarchy. The RTX 4060's 272.0 GB/s and 8 GB reflect a client graphics memory hierarchy.

Clock behavior also differs. The MI300 operates at a lower 1000 MHz base and 1700 MHz boost, consistent with a high-power accelerator running many units. The RTX 4060 operates at 1830 MHz base and 2460 MHz boost, consistent with a consumer part using fewer units at higher frequency. The MI300 memory runs at 1300 MHz (5.2 Gbps effective), while the RTX 4060 memory runs at 2125 MHz (17 Gbps effective).

Both use a 5 nm TSMC process, but with different densities. The MI300 reaches 150.4M transistors per mm², while the RTX 4060 reaches 121.8M per mm². The MI300 die is 1017 mm² versus 188 mm² for the RTX 4060. The transistor counts of 153,000 million versus 22,900 million reflect the different scales of the two designs.

The MI300 uses PCIe 5.0 x16, a high-bandwidth host interface for server integration. The RTX 4060 uses PCIe 4.0 x8, a lower-bandwidth interface for consumer motherboards. The MI300 has no display outputs and no graphics API support, while the RTX 4060 carries full display output and API support. The power envelope difference, 600 W versus 115 W, further separates the two architectures.