NVIDIA GeForce RTX 3090 vs NVIDIA RTX PRO 4000 Blackwell Comparison

The NVIDIA GeForce RTX 3090 and NVIDIA RTX PRO 4000 Blackwell represent two distinct design philosophies: one is a flagship Ampere-era consumer card, the other a modern, efficient Blackwell professional GPU. The data shows a near-total performance parity in average benchmark scores, with the RTX 3090 scoring 27,565 versus the RTX PRO 4000's 27,135, a difference of only 1.6%. However, the distribution of wins is starkly different. The RTX 3090 takes 4 of the 9 head-to-head tests, while the RTX PRO 4000 wins 5, but the margins and the specific workloads tell a story of specialization. The RTX 3090 dominates in the 3DMark Steel Nomad DX12 test with a 10.1% lead (5118 vs 4648), while the RTX PRO 4000 delivers a staggering 72.2% advantage in Geekbench Vulkan (194168 vs 53927). This is not a simple upgrade path; it is a choice between raw rasterization power and modern compute efficiency.

The Verdict

The data indicates that the choice between these two GPUs hinges entirely on workload priority. The NVIDIA GeForce RTX 3090 is the pick for users prioritizing peak performance in specific DX12 gaming and legacy DirectX workloads. It leads in 3DMark Steel Nomad DX12 (5118 vs 4648, +10.1%), Passmark DirectX 12 (110 vs 97, +13.4%), Passmark DirectX 10 (182 vs 173, +5.2%), and Passmark GPU Compute (15356 vs 14805, +3.7%). This card also has a higher absolute FP32 throughput in its spec sheet (35.58 TFLOPS vs 36.83 TFLOPS for the PRO, though the PRO is higher) and a significant memory bandwidth advantage (936.2 GB/s vs 672.0 GB/s) due to its 384-bit bus. However, its 350 W TDP and triple-slot design are substantial drawbacks.

The NVIDIA RTX PRO 4000 Blackwell is the superior choice for professional workflows and modern API utilization. Its wins are decisive and more numerous: Geekbench Vulkan (194168 vs 53927, +72.2%), Passmark DirectX 11 (276 vs 220, +20.3%), Passmark DirectX 9 (354 vs 268, +24.3%), Passmark G2D (1265 vs 1063, +16%), and Passmark G3D (28427 vs 26645, +6.3%). The 72.2% lead in Vulkan is a massive generational leap in compute capability. Furthermore, its 140 W TDP, single-slot design, and PCIe 5.0 interface make it a far more practical and efficient installation. For any user where power consumption, physical space, or modern API performance is a priority, the RTX PRO 4000 is the clear winner. For those with specific legacy DX12 or compute workloads that favor the older architecture, the RTX 3090 remains a potent, albeit power-hungry, option.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The NVIDIA GeForce RTX 3090 has a marginally higher average benchmark score of 27,565, compared to the RTX PRO 4000 Blackwell's 27,135. The RTX 3090 sits at 73rd percentile among all GPUs, while the RTX PRO 4000 sits at 72nd percentile.

Q: Is the RTX PRO 4000 Blackwell faster in all tests?

A: No. The RTX PRO 4000 wins 5 of the 9 head-to-head tests, but the RTX 3090 wins the other 4. The RTX 3090 wins in 3DMark Steel Nomad DX12, Passmark DirectX 10, Passmark DirectX 12, and Passmark GPU Compute.

Q: What is the biggest performance gap between the two cards?

A: The largest delta is in the Geekbench Vulkan test, where the RTX PRO 4000 Blackwell scores 194,168 against the RTX 3090's 53,927, a 72.2% advantage for the Blackwell card.

Q: How do their power requirements compare?

A: The RTX 3090 has a 350 W TDP and requires a 750 W suggested PSU, while the RTX PRO 4000 Blackwell has a 140 W TDP and requires only a 300 W suggested PSU. The RTX PRO 4000 is also a single-slot card, whereas the RTX 3090 is triple-slot.

Q: Which GPU has more memory bandwidth?

A: The RTX 3090 has significantly more memory bandwidth at 936.2 GB/s, due to its 384-bit bus and GDDR6X memory. The RTX PRO 4000 Blackwell has 672.0 GB/s bandwidth from a 192-bit bus and GDDR7 memory.

Q: In which test does the RTX 3090 show its largest winning margin?

A: The RTX 3090's largest win is in the 3DMark Steel Nomad DX12 test, where it scores 5,118 versus the RTX PRO 4000's 4,648, a 10.1% lead.

Architecture Differences

The architectural gap between these two cards is generational and fundamental. The RTX 3090 is built on the Ampere architecture using the GA102 chip, fabricated on an 8 nm process at Samsung. This is a massive die at 628 mm² housing 28,300 million transistors, yielding a transistor density of 45.1M per mm². In contrast, the RTX PRO 4000 Blackwell uses the Blackwell 2.0 architecture with the GB203 chip, built on a 5 nm process at TSMC. This allows for a much smaller die of 378 mm² but with a far higher transistor count of 45,600 million, resulting in a density of 120.6M per mm².

The Blackwell architecture is designed for efficiency and modern compute. While the RTX 3090 has more raw shading units (10,496 vs 8,960), TMUs (328 vs 280), ROPs (112 vs 96), RT cores (82 vs 70), and tensor cores (328 vs 280), the RTX PRO 4000 achieves higher boost clocks (2055 MHz vs 1695 MHz) and higher theoretical pixel and texture rates (197.3 GPixel/s and 575.4 GTexel/s vs 189.8 GPixel/s and 556.0 GTexel/s). The memory subsystems also differ entirely: the RTX 3090 uses a 384-bit GDDR6X interface, while the RTX PRO 4000 uses a 192-bit GDDR7 interface. The RTX PRO 4000 also features a newer PCIe 5.0 x16 bus interface, double the bandwidth of the RTX 3090's PCIe 4.0 x16. The RTX 3090 is end-of-life with a successor in the GeForce 40 series, while the RTX PRO 4000 is active and succeeds the Workstation Ada lineup.

Specification Differences

The specification sheets reveal distinct priorities. The RTX 3090 has a higher base clock (1395 MHz vs 1230 MHz) and a much higher memory clock (1219 MHz / 19.5 Gbps effective vs 1750 MHz / 28 Gbps effective). However, the RTX PRO 4000 has a significantly higher boost clock (2055 MHz vs 1695 MHz). The RTX 3090 offers more memory bandwidth (936.2 GB/s) and a wider bus (384 bit vs 192 bit), but both cards have the same 24 GB memory capacity. The RTX PRO 4000 uses faster GDDR7 memory, while the RTX 3090 uses GDDR6X.

In terms of compute, the RTX PRO 4000 has a higher FP32 throughput at 36.83 TFLOPS compared to the RTX 3090's 35.58 TFLOPS, though both have a 1:1 FP16 ratio. The most significant physical differences are power and size. The RTX 3090 has a 350 W TDP, a triple-slot width, and a 1x 12-pin power connector, requiring a 750 W PSU. The RTX PRO 4000 is far more efficient with a 140 W TDP, a single-slot width, a 1x 16-pin connector, and only a 300 W suggested PSU. Dimensions also differ: the RTX 3090 is 336 mm long, 140 mm high, and 61 mm wide, while the RTX PRO 4000 is 241 mm long, 111 mm high, and 20 mm wide. The RTX 3090 also has a launch MSRP of 1,499 USD; the RTX PRO 4000 has no launch MSRP listed. Display outputs differ as well: the RTX 3090 has 1x HDMI 2.1 and 3x DisplayPort 1.4a, while the RTX PRO 4000 has 4x DisplayPort 2.1b.

Head-to-Head Benchmarks

The benchmark results paint a picture of divergent strengths. The RTX 3090's most decisive victory is in 3DMark Steel Nomad DX12, where its score of 5,118 outpaces the RTX PRO 4000's 4,648 by a solid 10.1%. This indicates that in this specific DX12 rasterization workload, the Ampere architecture with its larger memory bus and higher core count still holds an advantage. The RTX 3090 also wins in Passmark DirectX 12 (110 vs 97, +13.4%) and Passmark DirectX 10 (182 vs 173, +5.2%), suggesting a consistent edge in older and specific DX12 paths. Its lead in Passmark GPU Compute (15,356 vs 14,805, +3.7%) shows that raw compute tasks also favor the older card, despite the newer architecture of its rival.

Conversely, the RTX PRO 4000 Blackwell demonstrates a generational leap in modern API performance. The most extreme example is Geekbench Vulkan, where it scores 194,168 versus the RTX 3090's 53,927, a 72.2% improvement. This is a colossal margin that indicates the Blackwell architecture is far more efficient at leveraging the Vulkan API. Its wins in Passmark DirectX 9 (354 vs 268, +24.3%) and DirectX 11 (276 vs 220, +20.3%) are also substantial, showing that even legacy APIs run faster on the new hardware. The RTX PRO 4000 also wins in Passmark G3D (28,427 vs 26,645, +6.3%) and G2D (1,265 vs 1,063, +16%), suggesting better overall 3D and 2D performance in the Passmark suite. While the RTX 3090 has more wins in raw DX12 and compute, the RTX PRO 4000's margins of victory are generally larger, particularly in the Vulkan test, which is a dominant factor in its overall benchmark profile.