NVIDIA GeForce MX550 vs NVIDIA RTX A5000 Mobile Comparison

The NVIDIA GeForce MX550 and NVIDIA RTX A5000 Mobile occupy opposite ends of the mobile graphics spectrum, and the benchmark data reflects a decisive performance gulf. The RTX A5000 Mobile wins both head-to-head tests, delivering a Geekbench OpenCL score of 110,877 versus the MX550’s 20,372, and a Geekbench Vulkan score of 88,144 versus 32,469. The MX550, with its 2 GB of GDDR6 memory and 1,024 shading units, is a lightweight IGP-class part, while the RTX A5000 Mobile is a 16 GB professional mobile workstation GPU with 6,144 shading units and dedicated ray tracing and tensor cores. Given the data, the RTX A5000 Mobile is the clear choice for compute-heavy, high-resolution, or ray-traced workloads; the MX550 is only suitable for basic acceleration in thin-and-light laptops where power is at a premium.

The Verdict

The RTX A5000 Mobile is the overwhelming performance winner, taking both head-to-head benchmarks. In Geekbench OpenCL, it scores 110,877 against the MX550’s 20,372, a delta of -81.6% from the RTX A5000 Mobile’s perspective, meaning the MX550 trails by roughly 81.6%. In Geekbench Vulkan, the RTX A5000 Mobile scores 88,144 versus 32,469, with the MX550 behind by 63.2%. The RTX A5000 Mobile also carries 16 GB of memory compared to the MX550’s 2 GB, and its 448.0 GB/s of memory bandwidth dwarfs the MX550’s 96.00 GB/s. For anyone running professional 3D rendering, GPU compute, or modern DirectX 12 Ultimate titles, the RTX A5000 Mobile is the only viable option from this pairing.

The MX550, in contrast, wins on efficiency and size. Its 25 W TDP is a fraction of the RTX A5000 Mobile’s 150 W, and it is classified as an IGP (integrated graphics processor) with no power connectors, making it suitable for ultraportable designs. Its average benchmark score of 26,421 places it at the 72nd percentile of all GPUs, slightly above its nearest rival, the AMD Radeon 860M, which averages 26,401. However, its 2 GB frame buffer is a hard limitation for modern workloads. The verdict is simple: choose the RTX A5000 Mobile for performance, the MX550 for low-power, basic graphics in a small chassis.

Architecture Differences

The two GPUs come from different NVIDIA architectures and process nodes. The MX550 is built on the Turing architecture, specifically the TU117SB chip, fabricated on TSMC’s 12 nm process. It packs 4,700 million transistors into a 200 mm² die, yielding a transistor density of 23.5M / mm². The RTX A5000 Mobile uses the Ampere architecture with the GA104 chip, manufactured by Samsung on an 8 nm process. It contains 17,400 million transistors on a 392 mm² die, for a density of 44.4M / mm² — nearly double the MX550’s density.

The compute resources are starkly different. The MX550 has 1,024 shading units, 32 texture mapping units (TMUs), and 16 raster operation pipelines (ROPs). The RTX A5000 Mobile has 6,144 shading units, 192 TMUs, and 96 ROPs. The RTX A5000 Mobile also features 48 ray tracing cores and 192 tensor cores, while the MX550 has none of either. This architectural gap drives the raw throughput differences: the MX550 delivers 2.703 TFLOPS of FP32 performance, while the RTX A5000 Mobile delivers 19.35 TFLOPS — a 7.2x advantage. Similarly, pixel rate is 21.12 GPixel/s for the MX550 versus 151.2 GPixel/s for the RTX A5000 Mobile, and texture rate is 42.24 GTexel/s versus 302.4 GTexel/s.

Memory architecture also diverges. The MX550 uses a 64-bit bus with 2 GB of GDDR6, running at 1500 MHz (12 Gbps effective), producing 96.00 GB/s of bandwidth. The RTX A5000 Mobile uses a 256-bit bus with 16 GB of GDDR6 at 1750 MHz (14 Gbps effective), producing 448.0 GB/s. The MX550 supports DirectX 12 (12_1), while the RTX A5000 Mobile supports DirectX 12 Ultimate (12_2). Both support OpenGL 4.6 and Vulkan 1.4. The bus interface also differs: the MX550 is PCIe 4.0 x8, while the RTX A5000 Mobile is PCIe 4.0 x16.

Head-to-Head Benchmarks

The RTX A5000 Mobile dominates the two available head-to-head comparisons. In Geekbench OpenCL, it scores 110,877 versus the MX550’s 20,372. The delta of -81.6% means the MX550’s score is 81.6% lower than the RTX A5000 Mobile’s. This is a massive gap, reflecting not only the higher shading unit count but also the far larger memory bandwidth and the presence of tensor cores that can accelerate certain compute workloads. In absolute terms, the RTX A5000 Mobile’s OpenCL score is more than 5.4 times higher than the MX550’s.

In Geekbench Vulkan, the RTX A5000 Mobile scores 88,144 against the MX550’s 32,469, a delta of -63.2% for the MX550. The Vulkan gap is narrower than OpenCL but still substantial, with the RTX A5000 Mobile achieving roughly 2.7 times the score. This indicates that the MX550’s Turing architecture handles Vulkan relatively better than OpenCL, likely due to driver optimizations or the lower overhead of Vulkan itself. Still, the RTX A5000 Mobile’s superior hardware — 6,144 shading units, 48 RT cores, and 16 GB of VRAM — ensures it wins outright.

The MX550’s average benchmark score of 26,421 is actually slightly higher than the RTX A5000 Mobile’s average of 24,763. This is an artifact of the benchmark suites: the MX550 only has two Geekbench results, while the RTX A5000 Mobile includes additional Passmark scores (DirectX 9, 10, 11, 12, G2D, G3D, and GPU Compute) that drag its average down. The RTX A5000 Mobile’s Passmark G3D score is 15,779, but its DirectX 12 score is only 72, which skews the average. For synthetic compute-heavy workloads, the RTX A5000 Mobile is unequivocally superior.

FAQ

Q: Which GPU has more VRAM?

A: The NVIDIA RTX A5000 Mobile has 16 GB of GDDR6 memory on a 256-bit bus, while the NVIDIA GeForce MX550 has 2 GB of GDDR6 on a 64-bit bus.

Q: Does the MX550 support ray tracing?

A: No. The MX550 has no ray tracing cores, whereas the RTX A5000 Mobile includes 48 ray tracing cores and 192 tensor cores.

Q: What is the performance difference in Geekbench OpenCL?

A: The RTX A5000 Mobile scores 110,877, and the MX550 scores 20,372. The MX550 trails by 81.6%.

Q: Which GPU has a higher power draw?

A: The RTX A5000 Mobile has a 150 W TDP, while the MX550 has a 25 W TDP.

Q: What is the MX550’s transistor density?

A: The MX550 has a transistor density of 23.5M / mm², based on 4,700 million transistors on a 200 mm² die. The RTX A5000 Mobile has 44.4M / mm².

Q: Which GPU has a higher average benchmark score?

A: The MX550 has an average benchmark score of 26,421, while the RTX A5000 Mobile averages 24,763. However, the RTX A5000 Mobile wins all head-to-head tests; its average is lowered by additional Passmark results.

Where Each One Wins

The RTX A5000 Mobile wins in every performance-oriented scenario. Its 19.35 TFLOPS of FP32 compute, 448.0 GB/s of memory bandwidth, and 16 GB of VRAM make it suitable for large dataset processing, high-resolution texture streaming, and GPU-accelerated rendering. The presence of 48 RT cores and 192 tensor cores enables hardware-accelerated ray tracing and AI-based features like DLSS in supported applications. Its 150 W TDP, while high, is justified for a mobile workstation GPU, and its PCIe 4.0 x16 interface provides ample bandwidth for multi-GPU or high-throughput tasks. The Passmark results reinforce its versatility: it scores 15,779 in G3D, 6945 in GPU Compute, and 629 in G2D, indicating solid performance across 2D, 3D, and compute tasks.

The MX550 wins on efficiency and portability. Its 25 W TDP is six times lower than the RTX A5000 Mobile’s, and its IGP classification means it requires no power connectors, making it ideal for thin-and-light laptops where thermal and power budgets are constrained. Its 72nd percentile ranking among all GPUs, with an average score of 26,421, puts it just ahead of the AMD Radeon 860M (26,401) and the NVIDIA GeForce RTX 5060 (26,331) in its nearest rival group. The MX550’s 12 Gbps effective memory speed and 96.00 GB/s bandwidth are adequate for light gaming, video playback, and general desktop acceleration. Its Vulkan score of 32,469 shows it can handle modern APIs, but the 2 GB VRAM limit will quickly become a bottleneck in any texture-heavy application. For a user prioritizing battery life and a slim chassis over raw performance, the MX550 is the only choice; for everything else, the RTX A5000 Mobile is the definitive winner.