AMD Instinct MI308X vs NVIDIA GeForce RTX 5050 Mobile Comparison

Head-to-Head Benchmarks

The database contains no direct head-to-head benchmark results for the AMD Instinct MI308X and NVIDIA GeForce RTX 5050 Mobile. The MI308X has no recorded benchmark scores, while the RTX 5050 Mobile has two recorded entries. This absence of overlapping test data means a direct numerical comparison of performance is not possible from recorded measurements alone.

What the data does show is the RTX 5050 Mobile's standing relative to other GPUs. Its average benchmark score is 43,268, placing it at the 83rd percentile among all GPUs in the database. Its nearest rivals in average score are the NVIDIA Quadro M6000 24 GB at 43,262 (0% delta), the NVIDIA Quadro M6000 at 43,301 (-0.1% delta), the NVIDIA GeForce RTX 4070 SUPER at 43,223 (0.1% delta), and the NVIDIA GeForce RTX 4090 Mobile at 43,667 (-0.9% delta). The RTX 5050 Mobile performs essentially on par with these four cards, within a narrow band of about 1% either direction.

The two specific benchmark results for the RTX 5050 Mobile are a 3DMark Steel Nomad DX12 score of 2,365 and a Geekbench OpenCL score of 84,171. The Geekbench result is a compute-oriented workload, while the 3DMark result targets modern DirectX 12 gaming performance. The MI308X, by contrast, has no entries in either test, so its expected behavior in these workloads cannot be derived from the database.

The MI308X's percentile versus all GPUs is 50, which reflects an average score of zero from no recorded benchmarks. This does not indicate expected real-world performance; it simply records the lack of measured data. The RTX 5050 Mobile's percentile of 83, derived from actual scores, shows it sits above the median GPU in the database, roughly in line with high-end desktop cards from prior generations.

Because the two GPUs target entirely different market segments, direct benchmark comparisons would likely favor the MI308X in raw compute throughput, but the database does not provide the numbers to confirm this. The only honest statement from the recorded data is that the RTX 5050 Mobile has measurable results and the MI308X does not.

Architecture Differences

The AMD Instinct MI308X uses the CDNA 3.0 architecture, built on the Aqua Vanjaram chip, while the NVIDIA GeForce RTX 5050 Mobile uses Blackwell 2.0 on the GB207 chip. Both are manufactured by TSMC on a 5 nm process, but they diverge sharply in scale and design intent.

The MI308X is a massive accelerator with 153,000 million transistors on a 1017 mm² die, yielding a transistor density of 150.4 million per mm². The RTX 5050 Mobile packs 16,900 million transistors into a 149 mm² die, for a density of 113.4 million per mm². The MI308X has roughly nine times the transistor count and nearly seven times the die area. This reflects an OAM module designed for server racks versus an integrated graphics package for laptops.

Memory configurations differ fundamentally. The MI308X carries 192 GB of HBM3 across an 8192-bit bus, delivering 5.32 TB/s of bandwidth. The RTX 5050 Mobile has 8 GB of GDDR7 on a 128-bit bus, with 384.0 GB/s. The MI308X offers over 13 times the memory capacity and roughly 14 times the bandwidth.

Compute resources follow the same pattern. The MI308X has 19,456 shading units, 1,216 texture mapping units, and zero ROPs. Its FP32 and FP16 throughput are both 81.72 TFLOPS, at a 1:1 ratio. The RTX 5050 Mobile has 2,560 shading units, 80 TMUs, and 32 ROPs. Its FP32 and FP16 are both 7.680 TFLOPS, also at 1:1. The MI308X delivers about 10.6 times the FP32 throughput, but it has no pixel rate (0 MPixel/s) because it lacks ROPs entirely, while the RTX 5050 Mobile reaches 48.00 GPixel/s.

The RTX 5050 Mobile includes 20 ray tracing cores and 80 tensor cores, which the MI308X does not list at all. The MI308X also has no API support for DirectX, OpenGL, or Vulkan, while the RTX 5050 Mobile supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4. This makes the RTX 5050 Mobile a general-purpose graphics card for gaming and content creation, whereas the MI308X is a compute-only accelerator with no display outputs.

Power and physical specifications separate them further. The MI308X has a TDP of 750 W and a suggested PSU of 1150 W, using an OAM module form factor with no power connectors. The RTX 5050 Mobile draws 50 W, is an IGP, and also has no power connectors. The MI308X has no display outputs; the RTX 5050 Mobile's outputs are listed as portable device dependent.

Release dates differ by about a year and a half. The MI308X launched on December 5, 2023, while the RTX 5050 Mobile arrived on June 23, 2025. The MI308X's predecessor is Radeon Instinct, and the RTX 5050 Mobile's predecessor is GeForce 40 Mobile.

FAQ

Q: Which GPU has higher raw FP32 compute throughput?

A: The AMD Instinct MI308X lists 81.72 TFLOPS FP32, versus 7.680 TFLOPS for the NVIDIA GeForce RTX 5050 Mobile. That is roughly 10.6 times higher on the MI308X.

Q: Does the RTX 5050 Mobile support ray tracing?

A: Yes. The RTX 5050 Mobile has 20 ray tracing cores and 80 tensor cores. The MI308X lists no ray tracing or tensor core counts.

Q: Which GPU has more memory bandwidth?

A: The MI308X has 5.32 TB/s from 192 GB of HBM3 on an 8192-bit bus. The RTX 5050 Mobile has 384.0 GB/s from 8 GB of GDDR7 on a 128-bit bus.

Q: Can the MI308X output video to a display?

A: No. The MI308X lists no display outputs. The RTX 5050 Mobile's display outputs are portable device dependent, meaning they vary by laptop implementation.

Q: What is the power draw difference?

A: The MI308X has a TDP of 750 W, with a suggested PSU of 1150 W. The RTX 5050 Mobile has a TDP of 50 W and no suggested PSU listed.

Q: What benchmark scores exist for the RTX 5050 Mobile?

A: The RTX 5050 Mobile scores 2,365 in 3DMark Steel Nomad DX12 and 84,171 in Geekbench OpenCL. Its average benchmark score is 43,268, placing it at the 83rd percentile. The MI308X has no recorded benchmark scores.

The Verdict

The data describes two products with no overlapping purpose. The AMD Instinct MI308X is a compute accelerator: no display outputs, no consumer graphics APIs, 192 GB of HBM3, 81.72 TFLOPS FP32, and a 750 W TDP. It is built for server-scale workloads where memory capacity and bandwidth dominate. The NVIDIA GeForce RTX 5050 Mobile is a laptop GPU: 8 GB of GDDR7, 7.680 TFLOPS FP32, full DirectX 12 Ultimate support, ray tracing cores, and a 50 W TDP. It is built for portable gaming and general graphics work.

For anyone needing a GPU for gaming, rendering with ray tracing, or any consumer graphics API workload, the RTX 5050 Mobile is the only viable option from this pair. The MI308X lacks the necessary hardware features and software support. For anyone running compute-heavy tasks that fit in 192 GB of memory and require massive bandwidth, the MI308X is the clear choice on paper, though its lack of benchmark data means its real-world performance is unverified in the database.

The RTX 5050 Mobile's benchmark results show it competes with desktop-class cards like the Quadro M6000 and RTX 4070 SUPER, sitting within 1% of their average scores. The MI308X, with zero recorded benchmarks, cannot be compared this way. A builder choosing between these two should base the decision on the workload, not on measured performance, because only one of them has any.

Specification Differences

| Specification | AMD Instinct MI308X | NVIDIA GeForce RTX 5050 Mobile |

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

| Chip | Aqua Vanjaram | GB207 |

| Architecture | CDNA 3.0 | Blackwell 2.0 |

| Transistors | 153,000 million | 16,900 million |

| Die Size | 1017 mm² | 149 mm² |

| Transistor Density | 150.4M / mm² | 113.4M / mm² |

| Base Clock | 1000 MHz | 1020 MHz |

| Boost Clock | 2100 MHz | 1500 MHz |

| Memory Clock | 1300 MHz 5.2 Gbps effective | 1500 MHz 24 Gbps effective |

| Memory Size | 192 GB | 8 GB |

| Memory Type | HBM3 | GDDR7 |

| Memory Bus | 8192 bit | 128 bit |

| Memory Bandwidth | 5.32 TB/s | 384.0 GB/s |

| Shading Units | 19456 | 2560 |

| TMUs | 1216 | 80 |

| ROPs | 0 | 32 |

| RT Cores | None listed | 20 |

| Tensor Cores | None listed | 80 |

| Pixel Rate | 0 MPixel/s | 48.00 GPixel/s |

| Texture Rate | 2,553.6 GTexel/s | 120.0 GTexel/s |

| FP32 | 81.72 TFLOPS | 7.680 TFLOPS |

| FP16 | 81.72 TFLOPS (1:1) | 7.680 TFLOPS (1:1) |

| TDP | 750 W | 50 W |

| Slot Width | OAM Module | IGP |

| Bus Interface | PCIe 5.0 x16 | PCIe 5.0 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 |

| Suggested PSU | 1150 W | None listed |

| Release Date | 2023-12-05 | 2025-06-23 |

| Predecessor | Radeon Instinct | GeForce 40 Mobile |

Where Each One Wins

The AMD Instinct MI308X wins decisively in raw compute capacity. Its 81.72 TFLOPS FP32 and FP16 throughput dwarfs the RTX 5050 Mobile's 7.680 TFLOPS. Its 5.32 TB/s memory bandwidth and 192 GB capacity are in a different class entirely, suited for large model training or data processing that cannot fit in 8 GB. The MI308X also has a higher texture rate at 2,553.6 GTexel/s versus 120.0 GTexel/s. It operates on a faster boost clock of 2100 MHz versus 1500 MHz, and its transistor density of 150.4M per mm² exceeds the RTX 5050 Mobile's 113.4M per mm².

The NVIDIA GeForce RTX 5050 Mobile wins in every consumer-facing category. It has 32 ROPs and a 48.00 GPixel/s pixel rate; the MI308X has zero ROPs and no pixel output. It includes 20 ray tracing cores and 80 tensor cores, which the MI308X lacks entirely. It supports DirectX 12 Ultimate, OpenGL 4.6, and Vulkan 1.4, while the MI308X supports none of these APIs. It has display outputs (portable device dependent), whereas the MI308X has none. Its TDP of 50 W is 700 W lower than the MI308X's 750 W, making it suitable for battery-powered laptops. Its base clock of 1020 MHz is slightly higher than the MI308X's 1000 MHz.

The RTX 5050 Mobile also wins on measured performance evidence. It has two benchmark scores and an 83rd percentile ranking, with an average score of 43,268 that places it alongside the Quadro M6000 and RTX 4070 SUPER. The MI308X has no benchmark scores, so its real-world performance is unknown from the database. For any workload involving graphics rendering, gaming, ray tracing, or consumer software, the RTX 5050 Mobile is the only functional option. For pure compute with massive memory requirements, the MI308X is the only one with the hardware to handle it, but its lack of recorded data means users must rely on its specifications rather than measured results.