NVIDIA RTX A4000 Mobile vs NVIDIA RTX PRO 2000 Blackwell Comparison

Head-to-Head Benchmarks

The recorded data paints a remarkably one-sided picture. Across all nine benchmark comparisons, the NVIDIA RTX PRO 2000 Blackwell takes the win, and in several tests the margin is substantial. The largest gap appears in the Passmark G2D test, where the RTX PRO 2000 Blackwell scores 1303 against the RTX A4000 Mobile's 585, a delta of 122.7%. This is a massive leap in 2D graphics performance, suggesting that the newer architecture brings significant improvements in tasks that are not necessarily tied to raw 3D rendering.

In the Vulkan API test, the RTX PRO 2000 Blackwell posts a score of 113865, while the RTX A4000 Mobile manages 73002. That translates to a 56% advantage, a very strong lead for the Blackwell card in this cross-platform graphics API. The DirectX 9 test shows a similar story, with the newer card scoring 241 versus 157 for the older one, a 53.5% difference. Legacy API performance is often overlooked, but these numbers indicate that the RTX PRO 2000 Blackwell does not sacrifice compatibility or speed in older workloads.

The DirectX 11 test also favors the RTX PRO 2000 Blackwell, 174 to 127, a 37% lead. DirectX 12 shows a 21.2% advantage, with scores of 80 and 66 respectively. The Passmark G3D test, a more general 3D graphics benchmark, gives the RTX PRO 2000 Blackwell a score of 20049 against 14796 for the RTX A4000 Mobile, a 35.5% margin. This is a significant overall performance uplift in 3D rendering workloads.

Compute performance is another area where the new card excels. The Passmark GPU Compute test shows the RTX PRO 2000 Blackwell at 8396, compared to 6394 for the RTX A4000 Mobile, a 31.3% lead. The Geekbench OpenCL test is closer, with the RTX PRO 2000 Blackwell scoring 106087 and the RTX A4000 Mobile scoring 97178, a 9.2% difference. Finally, the DirectX 10 test shows a 16.2% advantage for the newer card, 122 to 105.

The average benchmark score for the RTX PRO 2000 Blackwell is 25269, which places it in the 70th percentile of all GPUs. The RTX A4000 Mobile, by contrast, has an average score of 21379 and sits in the 66th percentile. When compared to its nearest rivals, the RTX PRO 2000 Blackwell is 2% ahead of the NVIDIA RTX A5000 Mobile, and 1.4% behind the AMD Radeon RX 6700M. The RTX A4000 Mobile, on the other hand, is 1.2% behind the NVIDIA Quadro RTX 5000 and 1.6% ahead of the NVIDIA GeForce RTX 5050. These positioning figures show that both cards sit in a similar performance class, but the newer Blackwell part clearly has the edge in direct comparisons.

The Verdict

The data is unambiguous. If the choice is between these two specific cards, the NVIDIA RTX PRO 2000 Blackwell is the stronger performer in every single benchmark recorded. It wins all nine head-to-head tests, with margins ranging from 9.2% in OpenCL to a staggering 122.7% in G2D. For anyone looking at raw performance, the RTX PRO 2000 Blackwell is the clear pick.

The RTX A4000 Mobile is an older part, released in 2021 and now marked as end-of-life. Its production status alone suggests it is not the forward-looking choice. The RTX PRO 2000 Blackwell, by contrast, is listed as active, released in 2025, and represents the current generation. From a lifecycle perspective, the newer card is the only sensible option for new deployments.

The RTX A4000 Mobile does retain a few theoretical advantages on paper, such as a wider 256-bit memory bus and higher peak memory bandwidth of 384.0 GB/s, but these do not translate into benchmark wins. The RTX PRO 2000 Blackwell, with its 128-bit bus and 288.0 GB/s bandwidth, still manages to outperform the older card across the board. This suggests that architectural efficiency and memory technology improvements, such as the move to GDDR7, outweigh the raw bus width advantage of the older part.

For users who rely on Vulkan or DirectX 9 workloads specifically, the RTX PRO 2000 Blackwell offers an especially compelling upgrade, with leads of 56% and 53.5% respectively. For 2D-heavy workflows, the G2D result is transformative. The data indicates that the RTX PRO 2000 Blackwell is the superior card in every measured category, and the RTX A4000 Mobile should only be considered if legacy software compatibility or specific hardware requirements dictate otherwise.

FAQ

Q: Which card has a higher average benchmark score?

A: The NVIDIA RTX PRO 2000 Blackwell has an average benchmark score of 25269, while the NVIDIA RTX A4000 Mobile has an average score of 21379.

Q: How much faster is the RTX PRO 2000 Blackwell in the Vulkan test?

A: The RTX PRO 2000 Blackwell scores 113865 in Geekbench Vulkan, which is 56% higher than the RTX A4000 Mobile's score of 73002.

Q: Does the RTX A4000 Mobile win any benchmark?

A: No. The RTX A4000 Mobile loses all nine head-to-head benchmark comparisons recorded in the database.

Q: What is the memory configuration of each card?

A: The RTX PRO 2000 Blackwell has 16 GB of GDDR7 memory on a 128-bit bus with 288.0 GB/s bandwidth. The RTX A4000 Mobile has 8 GB of GDDR6 memory on a 256-bit bus with 384.0 GB/s bandwidth.

Q: How do these cards compare to their nearest rivals?

A: The RTX PRO 2000 Blackwell is 2% ahead of the NVIDIA RTX A5000 Mobile and 1.4% behind the AMD Radeon RX 6700M. The RTX A4000 Mobile is 1.2% behind the NVIDIA Quadro RTX 5000 and 1.6% ahead of the NVIDIA GeForce RTX 5050.

Q: What is the production status of each card?

A: The RTX PRO 2000 Blackwell is listed as active, while the RTX A4000 Mobile is listed as end-of-life.

Specification Differences

The two cards differ in almost every major specification category. The RTX PRO 2000 Blackwell uses the GB206 chip, while the RTX A4000 Mobile uses the GA104 chip. The process node is a key differentiator: the RTX PRO 2000 Blackwell is built on a 5 nm process at TSMC, while the RTX A4000 Mobile uses an 8 nm process at Samsung. The transistor counts also differ significantly, with the newer card packing 21,900 million transistors on a 181 mm² die, giving a transistor density of 121.0M per mm². The older card has 17,400 million transistors on a much larger 392 mm² die, resulting in a density of only 44.4M per mm².

Clock speeds are another point of divergence. The RTX PRO 2000 Blackwell has a base clock of 982 MHz and a boost clock of 1957 MHz, with memory running at 1125 MHz for 18 Gbps effective. The RTX A4000 Mobile has a higher base clock of 1140 MHz but a lower boost clock of 1680 MHz, with memory at 1500 MHz for 12 Gbps effective.

Memory capacity and type differ sharply. The RTX PRO 2000 Blackwell offers 16 GB of GDDR7 on a 128-bit bus, delivering 288.0 GB/s of bandwidth. The RTX A4000 Mobile offers 8 GB of GDDR6 on a 256-bit bus, delivering 384.0 GB/s. Despite the older card's higher bandwidth, the newer card wins in actual performance.

The compute configurations are also different. The RTX PRO 2000 Blackwell has 4352 shading units, 136 TMUs, 48 ROPs, 34 RT cores, and 136 tensor cores. The RTX A4000 Mobile has 5120 shading units, 160 TMUs, 80 ROPs, 40 RT cores, and 160 tensor cores. The older card has more of each unit, yet the newer card still wins in benchmarks, highlighting the efficiency gains of the Blackwell architecture.

Power consumption is another major difference. The RTX PRO 2000 Blackwell has a TDP of 70 W, while the RTX A4000 Mobile has a TDP of 115 W. The newer card achieves higher performance with significantly lower power draw. The RTX PRO 2000 Blackwell is a dual-slot card with no power connectors and a suggested PSU of 250 W. It uses a PCIe 5.0 x8 interface and offers 4x mini-DisplayPort 2.1b outputs. The RTX A4000 Mobile has no slot width listed, no power connectors, no suggested PSU, uses PCIe 4.0 x16, and its display outputs are listed as portable device dependent.

Architecture Differences

The architectural gap between these two cards is generational. The RTX PRO 2000 Blackwell is built on the Blackwell 2.0 architecture, part of the Blackwell PRO W (x000) generation. The RTX A4000 Mobile is built on the Ampere architecture, from the Ampere-MW (Ax000) generation. This is a leap from one architecture generation to the next, with all the associated improvements in efficiency and features.

The manufacturing process is a major architectural difference. The RTX PRO 2000 Blackwell uses a 5 nm process at TSMC, while the RTX A4000 Mobile uses an 8 nm process at Samsung. The smaller process node allows for much higher transistor density, 121.0M per mm² versus 44.4M per mm², and this density advantage is a key reason the newer card can deliver more performance at a lower TDP.

Memory technology has also advanced. The RTX PRO 2000 Blackwell uses GDDR7 memory, while the RTX A4000 Mobile uses GDDR6. Even with a narrower 128-bit bus, the newer memory type helps the RTX PRO 2000 Blackwell achieve competitive bandwidth of 288.0 GB/s, and the efficiency gains are evident in the benchmark results.

The RTX A4000 Mobile has more shading units, TMUs, ROPs, RT cores, and tensor cores than the RTX PRO 2000 Blackwell. However, this does not translate into performance wins. The Blackwell architecture clearly extracts more work per unit, and the benchmark data confirms that the newer card is faster despite having fewer of these hardware resources. The RTX PRO 2000 Blackwell also uses a PCIe 5.0 x8 interface, compared to the PCIe 4.0 x16 interface on the older card, and supports newer display outputs in the form of mini-DisplayPort 2.1b.

Where Each One Wins

Based strictly on the recorded data, the NVIDIA RTX PRO 2000 Blackwell wins everywhere. It takes all nine head-to-head benchmark comparisons, with particularly dominant leads in G2D, Vulkan, and DirectX 9. This makes it the clear choice for 2D-heavy workflows, cross-platform graphics applications, and legacy DirectX workloads. Its 56% lead in Vulkan is especially notable, and its 53.5% lead in DirectX 9 shows that even older API paths are well optimized.

The RTX A4000 Mobile does not win any benchmark in the database. However, it does have some specification-level advantages that may matter in specific scenarios. Its 256-bit memory bus and 384.0 GB/s bandwidth are higher than the newer card's figures, which could theoretically benefit memory-bandwidth-sensitive tasks. Its larger number of shading units, TMUs, and ROPs also suggests that, in raw hardware resources, it is not a weak card. Yet the data shows these advantages do not translate into real-world performance wins in any of the tested benchmarks.

For users who prioritize power efficiency, the RTX PRO 2000 Blackwell is the obvious winner, with a 70 W TDP compared to 115 W for the RTX A4000 Mobile. The newer card also offers double the memory capacity at 16 GB, which is a significant advantage for large datasets and multi-application workflows. The RTX PRO 2000 Blackwell is the future-proof choice, with an active production status, a 2025 release date, and support for the latest PCIe 5.0 interface. The RTX A4000 Mobile is end-of-life, and its 2021 release date puts it firmly in the previous generation. The data supports only one conclusion: the RTX PRO 2000 Blackwell is the superior card in every measurable way.