NVIDIA RTX A5500 Mobile vs NVIDIA RTX PRO 5000 Blackwell Comparison

Head-to-Head Benchmarks

The recorded benchmark data shows a decisive advantage for the NVIDIA RTX PRO 5000 Blackwell in every shared test. The two Geekbench results highlighted in the database cover OpenCL and Vulkan workloads, and both swing heavily in favor of the newer workstation card.

In Geekbench OpenCL, the RTX PRO 5000 Blackwell scores 254116, while the RTX A5500 Mobile scores 124287. That is a delta of 104.5%, meaning the desktop-class card more than doubles the mobile GPU's compute throughput in this API. For context, the database places the RTX PRO 5000 Blackwell at the 98th percentile among all GPUs, while the RTX A5500 Mobile sits at the 94th percentile. The gap between those percentiles is modest, but the raw score difference is anything but modest.

The Vulkan result is even more lopsided. The RTX PRO 5000 Blackwell hits 282631, versus 103601 for the RTX A5500 Mobile. That works out to a 172.8% delta, nearly tripling the mobile card's score. Vulkan is often used in professional visualization and some compute workloads, so this margin suggests the RTX PRO 5000 Blackwell has a substantial architectural advantage in draw call throughput and GPU command processing.

The aggregate benchmark score reinforces this picture. The RTX PRO 5000 Blackwell averages 182109 across its recorded tests, while the RTX A5500 Mobile averages 113944. That is a 60% advantage for the desktop card in overall measured performance, despite the mobile card holding a respectable 94th percentile standing. The nearest rivals for the RTX PRO 5000 Blackwell include the NVIDIA A100 SXM4 80 GB at 183725 (0.9% higher) and the RTX 5000 Ada Generation at 184664 (1.4% higher), meaning the RTX PRO 5000 Blackwell is effectively trading blows with those established workstation heavyweights. Meanwhile, the RTX A5500 Mobile's nearest rivals include the Tesla V100 SXM2 16 GB at 114395 (0.4% higher) and the RTX 4000 SFF Ada Generation at 117088 (2.7% higher), placing it in a much lower performance tier.

The win count is unambiguous: the RTX PRO 5000 Blackwell takes 2 benchmarks, and the RTX A5500 Mobile takes 0. No recorded test shows the mobile card ahead.

Architecture Differences

The two GPUs come from different generations and foundries, which explains most of the performance gap. The RTX PRO 5000 Blackwell uses the GB202 chip, built on a 5 nm process at TSMC, with an architecture designated as Blackwell 2.0. The RTX A5500 Mobile uses the GA103 chip, built on an 8 nm process at Samsung, with the older Ampere architecture. The process node difference alone, 5 nm versus 8 nm, accounts for significant efficiency and density gains on the newer part.

Transistor counts reflect this generational leap. The RTX PRO 5000 Blackwell packs 92,200 million transistors on a 750 mm² die, for a density of 122.9 million transistors per square millimeter. The RTX A5500 Mobile has 22,000 million transistors on a 496 mm² die, for a density of 44.4 million per square millimeter. That is nearly three times the transistor density on the Blackwell chip, and over four times the total transistor count.

Core counts follow the same pattern. The RTX PRO 5000 Blackwell has 14080 shading units, 440 texture mapping units, 160 render output units, 110 ray tracing cores, and 440 tensor cores. The RTX A5500 Mobile has 7424 shading units, 232 TMUs, 96 ROPs, 58 RT cores, and 232 tensor cores. The Blackwell card has roughly double the shading units, double the TMUs, and nearly double the ROPs, RT cores, and tensor cores. That doubling pattern shows up directly in raw throughput figures: the RTX PRO 5000 Blackwell delivers 66.94 TFLOPS FP32 and FP16, while the RTX A5500 Mobile delivers 22.27 TFLOPS in both, a threefold difference.

Memory architecture is another major divider. The RTX PRO 5000 Blackwell uses 48 GB of GDDR7 on a 384 bit bus, yielding 1.34 TB/s of bandwidth. The RTX A5500 Mobile uses 16 GB of GDDR6 on a 256 bit bus, yielding 512.0 GB/s. The bandwidth gap is 2.6 times, which matters for large datasets and high-resolution rendering. The Blackwell card also runs a 1750 MHz memory clock (28 Gbps effective), versus 2000 MHz (16 Gbps effective) on the Ampere part. The lower physical clock on the Blackwell card is offset by the wider bus and newer memory type.

Power and physical design differ as well. The RTX PRO 5000 Blackwell is a dual-slot card with a 300 W TDP, a 1x 16-pin power connector, and a suggested 700 W PSU. It measures 267 mm long, 111 mm tall, and 40 mm wide. The RTX A5500 Mobile has a 165 W TDP, no dedicated power connectors (portable device dependent), and no listed dimensions. The desktop card also uses PCIe 5.0 x16, while the mobile part uses PCIe 4.0 x16. Display outputs differ: the RTX PRO 5000 Blackwell has 4x DisplayPort 2.1b, while the RTX A5500 Mobile's outputs are portable device dependent.

Production status separates them further. The RTX PRO 5000 Blackwell is listed as Active, released 2025-03-17, and follows the Workstation Ada generation. The RTX A5500 Mobile is End-of-life, released 2022-03-21, and follows the Quadro Turing-M generation with an Ada-MW successor.

The Verdict

The data points to one clear conclusion: for anyone choosing between these two, the RTX PRO 5000 Blackwell is the stronger GPU in every measured category. It wins both head-to-head benchmarks, holds a higher percentile rank, and carries a significantly higher average score. If your workload relies on OpenCL or Vulkan compute, the Blackwell card is not just better, it is in a different tier.

That said, the RTX A5500 Mobile is not a weak card in absolute terms. Its 94th percentile standing puts it above the vast majority of GPUs in the database, and its average score of 113944 is respectable for a mobile workstation part. The problem is that the RTX PRO 5000 Blackwell sits at the 98th percentile, and the gap between those positions is enormous in practice.

The choice depends on your constraints. If you need a desktop workstation GPU with maximum compute throughput, the RTX PRO 5000 Blackwell is the obvious pick. If you need a mobile solution, the RTX A5500 Mobile is the only one of the two that fits, since the RTX PRO 5000 Blackwell has no portable form factor. The desktop card demands a dual-slot chassis, a 300 W power budget, and an available 16-pin connector; the mobile part fits into a laptop with a 165 W TDP.

The RTX PRO 5000 Blackwell's nearest rivals include the A100 SXM4 80 GB and RTX 5000 Ada Generation, both within 1.4% of its average score. That means the Blackwell card is competing at the top of the workstation heap. The RTX A5500 Mobile's nearest rivals include the Tesla V100 SXM2 and RTX 4000 SFF Ada Generation, all within 2.9% of its score. Those are older or lower-tier parts, which tells you where the mobile card sits in the hierarchy.

Specification Differences

The fields that differ between the two GPUs are extensive. The chip is GB202 versus GA103. The architecture is Blackwell 2.0 versus Ampere. The process node is 5 nm (TSMC) versus 8 nm (Samsung). Transistors are 92,200 million versus 22,000 million. Die size is 750 mm² versus 496 mm². Transistor density is 122.9M per mm² versus 44.4M per mm².

Base clock is 1740 MHz versus 975 MHz. Boost clock is 2377 MHz versus 1500 MHz. Memory clock is 1750 MHz (28 Gbps effective) versus 2000 MHz (16 Gbps effective). Memory size is 48 GB versus 16 GB. Memory type is GDDR7 versus GDDR6. Bus width is 384 bit versus 256 bit. Bandwidth is 1.34 TB/s versus 512.0 GB/s.

Shading units are 14080 versus 7424. TMUs are 440 versus 232. ROPs are 160 versus 96. RT cores are 110 versus 58. Tensor cores are 440 versus 232. Pixel rate is 380.3 GPixel/s versus 144.0 GPixel/s. Texture rate is 1,045.9 GTexel/s versus 348.0 GTexel/s. FP32 and FP16 are 66.94 TFLOPS versus 22.27 TFLOPS.

TDP is 300 W versus 165 W. Slot width is dual-slot versus not listed. Power connectors are 1x 16-pin versus none. Suggested PSU is 700 W versus not listed. Bus interface is PCIe 5.0 x16 versus PCIe 4.0 x16. Display outputs are 4x DisplayPort 2.1b versus portable device dependent. Dimensions are 267 mm by 111 mm by 40 mm versus not listed. Production status is Active versus End-of-life. Release date is 2025-03-17 versus 2022-03-21. Predecessor is Workstation Ada versus Quadro Turing-M. Successor is null versus Ada-MW. The launch MSRP for the RTX PRO 5000 Blackwell is 5,099 USD; the RTX A5500 Mobile has no listed launch MSRP.

FAQ

Q: Which GPU is faster in OpenCL compute?

A: The RTX PRO 5000 Blackwell scores 254116 in Geekbench OpenCL, versus 124287 for the RTX A5500 Mobile, a 104.5% delta. The Blackwell card more than doubles the mobile card's OpenCL score.

Q: How big is the Vulkan performance gap?

A: The RTX PRO 5000 Blackwell scores 282631 in Geekbench Vulkan, versus 103601 for the RTX A5500 Mobile, a 172.8% delta. The Blackwell card nearly triples the mobile card's Vulkan score.

Q: What are the memory capacities and types?

A: The RTX PRO 5000 Blackwell has 48 GB of GDDR7 on a 384 bit bus with 1.34 TB/s bandwidth. The RTX A5500 Mobile has 16 GB of GDDR6 on a 256 bit bus with 512.0 GB/s bandwidth.

Q: How do their power requirements compare?

A: The RTX PRO 5000 Blackwell has a 300 W TDP, a 1x 16-pin power connector, and a suggested 700 W PSU. The RTX A5500 Mobile has a 165 W TDP and no dedicated power connectors, as it is portable device dependent.

Q: What is the percentile ranking of each GPU?

A: The RTX PRO 5000 Blackwell is at the 98th percentile among all GPUs, while the RTX A5500 Mobile is at the 94th percentile. Despite the small percentile gap, the average benchmark scores differ by about 60%.

Q: Which GPU has more ray tracing and tensor cores?

A: The RTX PRO 5000 Blackwell has 110 RT cores and 440 tensor cores. The RTX A5500 Mobile has 58 RT cores and 232 tensor cores. The Blackwell card has nearly double the count of both.

Where Each One Wins

The RTX PRO 5000 Blackwell wins in every benchmark category recorded in the database. It dominates OpenCL and Vulkan workloads, holds the higher percentile rank, and carries a much higher average score. For desktop workstation builds where compute throughput is the priority, this card is the clear choice. Its dual-slot design, 300 W TDP, and PCIe 5.0 interface indicate it is built for sustained heavy loads in a fixed chassis. The 48 GB GDDR7 memory with 1.34 TB/s bandwidth makes it suited for large datasets, high-resolution textures, and memory-hungry rendering tasks. Its nearest rivals are the A100 SXM4 80 GB and RTX 5000 Ada Generation, both within 1.4% of its average score, which places it among the top workstation GPUs in the database.

The RTX A5500 Mobile wins in portability and power efficiency, in the sense that it is the only one of the two that operates in a mobile form factor. Its 165 W TDP and lack of dedicated power connectors mean it can run within a laptop's thermal and power envelope. The 16 GB GDDR6 memory and 512.0 GB/s bandwidth are lower than the Blackwell card, but still substantial for a mobile part. Its nearest rivals include the Tesla V100 SXM2 and RTX 4000 SFF Ada Generation, all within 2.9% of its average score, indicating it competes with mid-tier workstation parts from previous generations. If your use case requires GPU acceleration on the move, the RTX A5500 Mobile is the only option here, but it will deliver roughly half the OpenCL performance and about a third of the Vulkan performance of the RTX PRO 5000 Blackwell.