AMD Instinct MI308X vs NVIDIA RTX 5000 Mobile Ada Generation Comparison

Head-to-Head Benchmarks

The recorded database does not contain any head-to-head benchmark entries for the AMD Instinct MI308X and the NVIDIA RTX 5000 Mobile Ada Generation. The head-to-head benchmark list is empty, and the win counters show zero wins for either product. This means there is no direct performance comparison available from our measurements.

The only concrete benchmark score in the database belongs to the NVIDIA RTX 5000 Mobile Ada Generation. It posts a score of 3596 in the 3DMark Steel Nomad DX12 test. The AMD Instinct MI308X has no benchmark scores recorded at all, and its average benchmark score is listed as 0. Its percentile versus all GPUs is 50, which is a mid-pack placement, but that percentile is not attached to any actual measured workload in the database.

For the NVIDIA part, the nearest rival comparisons provide some context. The RTX 5000 Mobile Ada Generation sits at a 0.1% advantage over the NVIDIA GeForce GT 545, which scores 3594. It trails the NVIDIA GeForce GT 735M by 0.6%, the GeForce GTX 1050 by 0.9%, and the AMD Radeon HD 6770 by 1.5%. These deltas are all within a very narrow band, meaning the RTX 5000 Mobile Ada Generation performs essentially on par with those older desktop and mobile parts in this single DX12 workload. The data does not show any scenario where the MI308X wins a benchmark, because no benchmark results exist for it.

The lack of shared benchmarks is the dominant finding here. The MI308X is not represented in any recorded test, so no direct score-to-score comparison can be made. The RTX 5000 Mobile Ada Generation has one recorded result, but it cannot be matched against the MI308X. Any statement about one product beating the other in a specific test would be unsupported by the database.

Where Each One Wins

Without overlapping benchmark data, the win analysis must shift to what the recorded specifications indicate about intended workloads. The AMD Instinct MI308X carries a 750 W TDP and an OAM Module slot width, with no display outputs. It is built for compute installations where the hardware is managed as an accelerator, not as a graphics card. Its memory configuration of 192 GB of HBM3 on an 8192-bit bus delivers a bandwidth of 5.32 TB/s. That is an enormous memory subsystem, and the database shows it is paired with 19,456 shading units and 1,216 texture mapping units. The FP32 throughput is listed at 81.72 TFLOPS, and FP16 is also 81.72 TFLOPS at a 1:1 ratio. These figures point toward data-center scale compute, particularly workloads that need massive memory capacity and very high memory bandwidth.

The NVIDIA RTX 5000 Mobile Ada Generation is a mobile workstation part with a 120 W TDP and an IGP slot width. It has 16 GB of GDDR6 memory on a 256-bit bus, providing 576.0 GB/s of bandwidth. It includes 76 ray tracing cores and 304 tensor cores, features that are entirely absent from the MI308X data, which lists no ray tracing cores and no tensor cores. The RTX 5000 Mobile Ada Generation also has 112 ROPs and a pixel rate of 236.9 GPixel/s, while the MI308X reports 0 ROPs and a pixel rate of 0 MPixel/s. That contrast is clear: the mobile part supports rasterization and display output, while the AMD accelerator does not even list display outputs.

The database shows API support for the RTX 5000 Mobile Ada Generation in DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI308X lists N/A for DirectX, OpenGL, and Vulkan. Any workload that depends on those graphics APIs can only run on the NVIDIA part according to the recorded data. The MI308X is not presented as a graphics API device at all.

So the recorded data suggests a split by workload type, not by benchmark score. The MI308X wins on raw compute throughput, memory capacity, memory bandwidth, and transistor count. The RTX 5000 Mobile Ada Generation wins on graphics API compatibility, ray tracing, tensor operations, pixel throughput, and mobile form factor. Neither product has a recorded win in a shared test, so this section is a specification-based interpretation rather than a measurement-based one.

Architecture Differences

The two chips come from different architectural families. The AMD Instinct MI308X uses the CDNA 3.0 architecture with the Aqua Vanjaram chip. The NVIDIA RTX 5000 Mobile Ada Generation uses the Ada Lovelace architecture with the AD103 chip. Both are manufactured on a 5 nm process at TSMC, but the similarities end there.

The transistor counts differ substantially. The MI308X packs 153,000 million transistors on a die size of 1017 mm², giving a transistor density of 150.4 million transistors per square millimeter. The RTX 5000 Mobile Ada Generation carries 45,900 million transistors on a 379 mm² die, for a density of 121.1 million transistors per square millimeter. The MI308X has more than three times the transistor count and a die nearly three times the size. That scale difference aligns with the ML308X's role as a data center accelerator with a 192 GB HBM3 memory stack, while the NVIDIA part is a compact mobile GPU.

Memory architecture is another major divider. The MI308X uses HBM3 with an 8192-bit bus and 5.32 TB/s of bandwidth. The RTX 5000 Mobile Ada Generation uses GDDR6 on a 256-bit bus with 576.0 GB/s. The bandwidth gap is roughly an order of magnitude. The MI308X also lists a memory clock of 1300 MHz with 5.2 Gbps effective, while the NVIDIA part runs at 2250 MHz with 18 Gbps effective. The higher effective data rate on the GDDR6 does not compensate for the much wider HBM3 bus.

Compute resources also diverge. The MI308X has 19,456 shading units, 1,216 TMUs, and 0 ROPs. The RTX 5000 Mobile Ada Generation has 9,728 shading units, 304 TMUs, and 112 ROPs. The MI308X has exactly double the shading units and four times the TMUs, but it has no ROPs at all. That makes sense for a compute-only accelerator. The NVIDIA part has 76 ray tracing cores and 304 tensor cores, which appear nowhere in the MI308X data. The MI308X lists no ray tracing cores and no tensor cores, confirming that the two chips target different feature sets.

Clock behavior also differs. The MI308X has a base clock of 1000 MHz and a boost clock of 2100 MHz. The RTX 5000 Mobile Ada Generation has a base clock of 1425 MHz and a boost clock of 2115 MHz. The NVIDIA part starts at a higher base clock but boosts to nearly the same ceiling. Despite that, the MI308X achieves much higher FP32 throughput because of its far larger shader count.

The bus interface differs as well. The MI308X uses PCIe 5.0 x16, while the RTX 5000 Mobile Ada Generation uses PCIe 4.0 x16. The MI308X also has a suggested PSU of 1150 W and a TDP of 750 W, whereas the RTX 5000 Mobile Ada Generation has a 120 W TDP and no suggested PSU listed. Power delivery is a fundamental separator: the MI308X is a high-power OAM module, and the RTX 5000 Mobile Ada Generation is a low-power mobile IGP.

The release dates are close but not identical. The MI308X was released on 2023-12-05, and the RTX 5000 Mobile Ada Generation was released on 2023-03-20. The NVIDIA part lists a production status of Active, while the MI308X does not list a production status. The RTX 5000 Mobile Ada Generation also has a successor listed as Blackwell-MW and a predecessor of Ampere-MW. The MI308X lists a predecessor of Radeon Instinct but no successor.

The Verdict

The data supports distinct placement for each product. The AMD Instinct MI308X is a data center compute accelerator. Its 750 W TDP, OAM Module slot width, no display outputs, 192 GB HBM3 memory, 5.32 TB/s bandwidth, and 81.72 TFLOPS FP32 all point to high-throughput compute workloads in servers. The absence of any graphics API support in the database means it is not designed for rendering or interactive graphics. Its 50th percentile ranking among all GPUs is not tied to any measured benchmark, so that number should not be read as a performance verdict.

The NVIDIA RTX 5000 Mobile Ada Generation is a mobile workstation GPU. Its 120 W TDP, IGP slot width, portable-device-dependent display outputs, DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4 support, plus ray tracing and tensor cores, make it suitable for graphics and compute work on laptops or mobile workstations. Its single recorded benchmark of 3596 in 3DMark Steel Nomad DX12 places it within 1.5% of several older GPUs, all of which are near the 3600 score mark. Its 21st percentile ranking among all GPUs indicates it is below the midpoint of the database, but again, that is based on a single workload.

A user with a server workload that requires massive memory capacity and extreme bandwidth would be directed to the MI308X by the data. A user with a mobile workstation workload that requires graphics APIs, ray tracing, or tensor acceleration would be directed to the RTX 5000 Mobile Ada Generation. The data does not support choosing either product for the other's domain.

FAQ

Q: Does the AMD Instinct MI308X have any benchmark scores in the database?

A: No. The MI308X has an empty benchmark list and an average benchmark score of 0.

Q: What is the only benchmark result recorded for the NVIDIA RTX 5000 Mobile Ada Generation?

A: It scored 3596 in the 3DMark Steel Nomad DX12 test.

Q: How does the RTX 5000 Mobile Ada Generation compare to its nearest rivals?

A: It is 0.1% ahead of the GeForce GT 545, and it trails the GeForce GT 735M by 0.6%, the GeForce GTX 1050 by 0.9%, and the Radeon HD 6770 by 1.5%.

Q: Which product has more memory bandwidth?

A: The MI308X has 5.32 TB/s of bandwidth from HBM3 on an 8192-bit bus, compared to 576.0 GB/s from GDDR6 on a 256-bit bus for the RTX 5000 Mobile Ada Generation.

Q: Which product supports ray tracing and tensor cores?

A: Only the RTX 5000 Mobile Ada Generation, which lists 76 ray tracing cores and 304 tensor cores. The MI308X lists no ray tracing cores and no tensor cores.

Q: Which product has graphics API support?

A: The RTX 5000 Mobile Ada Generation supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. The MI308X lists N/A for all three APIs.

Specification Differences

| Field | AMD Instinct MI308X | NVIDIA RTX 5000 Mobile Ada Generation |

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

| Architecture | CDNA 3.0 | Ada Lovelace |

| Chip | Aqua Vanjaram | AD103 |

| Process Node | 5 nm | 5 nm |

| Transistors | 153,000 million | 45,900 million |

| Die Size | 1017 mm² | 379 mm² |

| Transistor Density | 150.4M / mm² | 121.1M / mm² |

| Base Clock | 1000 MHz | 1425 MHz |

| Boost Clock | 2100 MHz | 2115 MHz |

| Memory Size | 192 GB | 16 GB |

| Memory Type | HBM3 | GDDR6 |

| Memory Bus Width | 8192 bit | 256 bit |

| Memory Bandwidth | 5.32 TB/s | 576.0 GB/s |

| Memory Clock | 1300 MHz (5.2 Gbps effective) | 2250 MHz (18 Gbps effective) |

| Shading Units | 19456 | 9728 |

| TMUs | 1216 | 304 |

| ROPs | 0 | 112 |

| Ray Tracing Cores | Not listed | 76 |

| Tensor Cores | Not listed | 304 |

| Pixel Rate | 0 MPixel/s | 236.9 GPixel/s |

| Texture Rate | 2,553.6 GTexel/s | 643.0 GTexel/s |

| FP32 | 81.72 TFLOPS | 41.15 TFLOPS |

| FP16 | 81.72 TFLOPS (1:1) | 41.15 TFLOPS (1:1) |

| TDP | 750 W | 120 W |

| Slot Width | OAM Module | IGP |

| Suggested PSU | 1150 W | Not listed |

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

| Display Outputs | No outputs | Portable Device Dependent |

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

| OpenGL | N/A | 4.6 |

| Vulkan | N/A | 1.4 |

| Production Status | Not listed | Active |

| Release Date | 2023-12-05 | 2023-03-20 |

| Predecessor | Radeon Instinct | Ampere-MW |

| Successor | Not listed | Blackwell-MW |

| Percentile vs All GPUs | 50 | 21 |

| Average Benchmark Score | 0 | 3596 |