NVIDIA GeForce MX550 vs NVIDIA RTX PRO 4000 Blackwell Comparison

The NVIDIA RTX PRO 4000 Blackwell and the NVIDIA GeForce MX550 are separated by more than just product tier; the data indicates they are from different architectural eras and address entirely different workload classes. Based strictly on benchmark results, the RTX PRO 4000 Blackwell is the decisive choice for any compute-intensive or professional 3D task, delivering a 498% higher score in the single shared benchmark, Geekbench Vulkan (194,168 vs. 32,469). However, the MX550, being an end-of-life mobile IGP, still holds a niche for ultra-low-power portable systems where the 25 W TDP and IGP form factor are paramount. The verdict is clear: the RTX PRO 4000 Blackwell is for professionals needing workstation-class performance, while the MX550 is for basic laptop functionality in legacy or power-constrained designs.

The Verdict

The benchmark data provides a singular, unambiguous comparison point: the Geekbench Vulkan test. In this test, the RTX PRO 4000 Blackwell scores 194,168, which is 498% higher than the MX550’s 32,469. This is not a marginal difference; it represents a fundamental gulf in rendering and compute capability. For any user whose workflow involves 3D rendering, GPU-accelerated compute, or modern DirectX 12 Ultimate titles, the RTX PRO 4000 Blackwell is the only viable option between the two.

The RTX PRO 4000 Blackwell also carries a 72nd percentile ranking among all GPUs, with an average benchmark score of 27,135. Its nearest rivals include the AMD Radeon RX 6700 XT (avg score 27,425, -1.1% delta), the NVIDIA GeForce RTX 4070 Mobile (avg score 27,435, -1.1% delta), and the NVIDIA GeForce RTX 3090 (avg score 27,565, -1.6% delta). This places it in the same performance ballpark as these high-end consumer and mobile parts, despite its workstation orientation. Interestingly, it is 1.7% faster than its direct predecessor, the NVIDIA RTX A4000 (avg score 26,683).

Conversely, the MX550 also holds a 72nd percentile ranking, but its average benchmark score is 26,421. Its nearest rivals are the AMD Radeon 860M (avg score 26,401, 0.1% delta), the NVIDIA GeForce RTX 5060 (avg score 26,331, 0.3% delta), and the AMD Radeon RX 5700 XT 50th Anniversary (avg score 26,553, -0.5% delta). This data is surprising: it suggests that despite being an entry-level part, the MX550’s average score lands near that of the RTX PRO 4000 Blackwell and much newer integrated graphics. However, this is likely a data artifact of the limited benchmark set available for the MX550 (only Geekbench OpenCL and Vulkan), which may not reflect its real-world performance in gaming or professional applications. The single head-to-head Vulkan test is far more indicative of actual capability, where the RTX PRO 4000 Blackwell utterly dominates.

Therefore, the data dictates that the RTX PRO 4000 Blackwell is for the professional user, the content creator, or the data scientist who needs reliable, high-throughput GPU acceleration. The MX550 is for the laptop manufacturer or user who prioritizes battery life and minimal power draw above all else, accepting its limited performance.

Architecture Differences

The architectural gap between these two GPUs is vast, spanning multiple generations. The RTX PRO 4000 Blackwell is built on the Blackwell 2.0 architecture, using the GB203 chip, and is fabricated on a 5 nm process at TSMC. The MX550, in contrast, uses the much older Turing architecture with the TU117SB chip, manufactured on a 12 nm process. This process difference alone explains a massive disparity in transistor density: the RTX PRO 4000 Blackwell packs 120.6M transistors per mm², while the MX550 has a density of only 23.5M / mm².

The raw hardware resources also differ by an order of magnitude. The RTX PRO 4000 Blackwell contains 45,600 million transistors on a 378 mm² die, whereas the MX550 has just 4,700 million transistors on a 200 mm² die. This translates to a huge difference in core counts: 8,960 shading units, 280 TMUs, and 96 ROPs for the RTX PRO 4000 Blackwell, versus 1,024 shading units, 32 TMUs, and 16 ROPs for the MX550.

Feature support is another major differentiator. The RTX PRO 4000 Blackwell includes 70 RT cores and 280 tensor cores, enabling hardware-accelerated ray tracing and AI/deep learning workloads. The MX550 has no RT cores and no tensor cores, meaning it cannot accelerate these tasks in hardware. This is a categorical difference: the Blackwell part is designed for future-proofed, feature-rich workloads, while the Turing part is a legacy product. The RTX PRO 4000 Blackwell also supports DirectX 12 Ultimate (12_2), while the MX550 only supports DirectX 12 (12_1). Both support OpenGL 4.6 and Vulkan 1.4, but the underlying hardware capabilities are worlds apart.

Head-to-Head Benchmarks

The only direct head-to-head benchmark available is Geekbench Vulkan. In this test, the RTX PRO 4000 Blackwell scores 194,168, while the MX550 scores 32,469. The delta is a decisive 498% in favor of the RTX PRO 4000 Blackwell. This is not a slight edge or a win by a few percentage points; it is a near-six-fold improvement. The result indicates that the RTX PRO 4000 Blackwell is not just faster, but in a completely different performance class for Vulkan-based rendering and compute.

While the MX550 has a Geekbench OpenCL score of 20,372, there is no corresponding OpenCL score for the RTX PRO 4000 Blackwell in the data pack. Therefore, cross-comparison is limited to the Vulkan result. The RTX PRO 4000 Blackwell also has a suite of Passmark benchmarks (G2D: 1,265; G3D: 28,427; GPU Compute: 14,805; and various DirectX tests), but the MX550 lacks these data points. The single head-to-head result is sufficient to establish dominance: the RTX PRO 4000 Blackwell wins the only shared test, and it does so by a landslide.

Specification Differences

The following table highlights only the fields where the two GPUs differ, based on the provided data.

| Specification | NVIDIA RTX PRO 4000 Blackwell | NVIDIA GeForce MX550 |

| :--- | :--- | :--- |

| Architecture | Blackwell 2.0 | Turing |

| Chip | GB203 | TU117SB |

| Process Node | 5 nm | 12 nm |

| Transistors | 45,600 million | 4,700 million |

| Die Size | 378 mm² | 200 mm² |

| Transistor Density | 120.6M / mm² | 23.5M / mm² |

| Base Clock | 1230 MHz | 1065 MHz |

| Boost Clock | 2055 MHz | 1320 MHz |

| Memory Clock | 1750 MHz (28 Gbps effective) | 1500 MHz (12 Gbps effective) |

| Memory Size | 24 GB | 2 GB |

| Memory Type | GDDR7 | GDDR6 |

| Memory Bus Width | 192 bit | 64 bit |

| Memory Bandwidth | 672.0 GB/s | 96.00 GB/s |

| Shading Units | 8960 | 1024 |

| TMUs | 280 | 32 |

| ROPs | 96 | 16 |

| RT Cores | 70 | None |

| Tensor Cores | 280 | None |

| Pixel Rate | 197.3 GPixel/s | 21.12 GPixel/s |

| Texture Rate | 575.4 GTexel/s | 42.24 GTexel/s |

| FP32 | 36.83 TFLOPS | 2.703 TFLOPS |

| FP16 | 36.83 TFLOPS (1:1) | 2.703 TFLOPS (1:1) |

| TDP | 140 W | 25 W |

| Slot Width | Single-slot | IGP |

| Power Connectors | 1x 16-pin | None |

| Suggested PSU | 300 W | None |

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

| Display Outputs | 4x DisplayPort 2.1b | Portable Device Dependent |

| DirectX | 12 Ultimate (12_2) | 12 (12_1) |

| Dimensions | 241 mm (L) x 111 mm (H) x 20 mm (W) | None listed |

| Production Status | Active | End-of-life |

| Release Date | 2025-03-17 | 2021-12-16 |

FAQ

Q: Which GPU is faster based on the benchmark data?

A: The NVIDIA RTX PRO 4000 Blackwell is significantly faster. In the only shared benchmark, Geekbench Vulkan, it scores 194,168 compared to the MX550’s 32,469, a 498% difference.

Q: Are these GPUs in the same performance percentile?

A: Yes, both hold a 72nd percentile ranking among all GPUs. However, the RTX PRO 4000 Blackwell has an average benchmark score of 27,135, while the MX550 has an average score of 26,421.

Q: Does the MX550 support hardware ray tracing?

A: No. The data shows the MX550 has no RT cores, whereas the RTX PRO 4000 Blackwell is equipped with 70 RT cores. Similarly, the MX550 has no tensor cores, while the RTX PRO 4000 Blackwell has 280.

Q: What are the key memory differences?

A: The RTX PRO 4000 Blackwell has 24 GB of GDDR7 memory on a 192-bit bus, providing 672.0 GB/s of bandwidth. The MX550 has 2 GB of GDDR6 on a 64-bit bus, providing 96.00 GB/s.

Q: Which GPU is more power-efficient?

A: The MX550 has a TDP of 25 W, which is significantly lower than the RTX PRO 4000 Blackwell’s 140 W. The MX550 is also an IGP with no power connectors, while the RTX PRO 4000 Blackwell requires a 16-pin connector and a 300 W suggested PSU.

Q: What is the production status of each GPU?

A: The NVIDIA RTX PRO 4000 Blackwell is listed as Active, with a release date of 2025-03-17. The NVIDIA GeForce MX550 is listed as End-of-life, with a release date of 2021-12-16.