NVIDIA GeForce RTX 5090 D vs NVIDIA RTX 4000 SFF Ada Generation Comparison

The Verdict

The recorded data delivers a decisive outcome: the NVIDIA GeForce RTX 5090 D wins both direct head-to-head benchmarks by a wide margin, and it is the clear choice for users who prioritize raw compute and graphics throughput. In the Geekbench OpenCL test, the RTX 5090 D scores 310,674 against 124,812 for the RTX 4000 SFF Ada Generation, a 59.8% advantage. The Vulkan gap is even larger: 376,915 versus 109,364, a 71% lead. There is no ambiguity in these measurements; the RTX 5090 D is categorically the faster card.

However, the RTX 4000 SFF Ada Generation is not without purpose. Its 70 W TDP, slot-powered design (no power connectors), and compact 168 mm length make it a workstation-oriented card for constrained environments. The RTX 5090 D, by contrast, demands a 575 W TDP, a 16-pin connector, a 950 W suggested PSU, and a 304 mm length. The choice hinges on physical and power constraints versus peak performance. If the system can accommodate the larger card, the RTX 5090 D is the only rational pick based on benchmark data. If the build requires a low-profile, low-power solution for a small form factor workstation, the RTX 4000 SFF Ada Generation is the only viable option of the two, offering 20 GB of memory and a 95th percentile standing among all GPUs.

FAQ

Q: Which GPU has the higher average benchmark score?

A: The RTX 4000 SFF Ada Generation has an average benchmark score of 117,088, while the RTX 5090 D has an average of 77,712. The lower average for the RTX 5090 D is influenced by its inclusion of multiple PassMark tests (DirectX 9, 10, 11, 12, 2D, and compute) which score much lower than its Geekbench results, skewing the aggregate downward.

Q: How do the two cards compare in Geekbench Vulkan?

A: The RTX 5090 D scores 376,915 in Geekbench Vulkan, which is 71% higher than the RTX 4000 SFF Ada Generation's 109,364. This is the single largest performance delta between the two cards in the recorded data.

Q: What is the memory configuration difference?

A: The RTX 4000 SFF Ada Generation has 20 GB of GDDR6 on a 160-bit bus with 280.0 GB/s bandwidth. The RTX 5090 D has 32 GB of GDDR7 on a 512-bit bus with 1.79 TB/s bandwidth. The RTX 5090 D's bandwidth is over six times higher.

Q: Which card consumes less power?

A: The RTX 4000 SFF Ada Generation has a 70 W TDP and requires no power connectors, with a suggested PSU of 250 W. The RTX 5090 D has a 575 W TDP, requires a 16-pin connector, and a suggested PSU of 950 W.

Q: Are the two cards in the same performance percentile?

A: No. The RTX 4000 SFF Ada Generation sits at the 95th percentile of all GPUs, while the RTX 5090 D sits at the 92nd percentile. Despite the RTX 5090 D's raw speed, its aggregate benchmark average places it lower in the distribution due to the PassMark results.

Q: What is the release date difference?

A: The RTX 4000 SFF Ada Generation was released on 2023-03-20, while the RTX 5090 D was released on 2025-01-29. The RTX 5090 D is the newer architecture, Blackwell 2.0, versus Ada Lovelace.

Architecture Differences

The two GPUs belong to different architectural generations. The RTX 4000 SFF Ada Generation uses the AD104 chip on the Ada Lovelace architecture, fabricated on a 5 nm process at TSMC. The RTX 5090 D uses the GB202 chip on the Blackwell 2.0 architecture, also on a 5 nm process at TSMC. Both use the same foundry and node, but the transistor counts diverge sharply: the AD104 packs 35,800 million transistors on a 294 mm² die, while the GB202 packs 92,200 million transistors on a 750 mm² die. Transistor density is nearly identical (121.8M / mm² versus 122.9M / mm²), indicating that the performance gap comes from scale, not density improvements.

The core configurations differ massively. The RTX 4000 SFF Ada Generation has 6,144 shading units, 192 TMUs, 64 ROPs, 48 RT cores, and 192 tensor cores. The RTX 5090 D has 21,760 shading units, 680 TMUs, 176 ROPs, 170 RT cores, and 680 tensor cores. The RTX 5090 D more than triples the shading units (3.5x), TMUs (3.5x), and RT cores (3.5x), and more than doubles the ROPs (2.75x). This structural advantage explains the benchmark results: more parallel hardware, directly translating into higher raw throughput.

The memory architecture is also generationally distinct. The RTX 4000 SFF Ada Generation uses GDDR6 with a 160-bit bus, while the RTX 5090 D uses GDDR7 with a 512-bit bus. The RTX 5090 D's memory clocks are 1750 MHz with 28 Gbps effective, versus 1750 MHz with 14 Gbps effective for the RTX 4000 SFF. The bus width and memory type together produce a bandwidth of 1.79 TB/s versus 280.0 GB/s, a 6.4x difference. Both cards support DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, so API compatibility is not a differentiator.

Specification Differences

The specification sheets show a wide gulf in almost every measurable field. The process node is the same (5 nm, TSMC), but the die size differs from 294 mm² to 750 mm², and transistors from 35,800 million to 92,200 million. Clock speeds favor the RTX 5090 D: base 2017 MHz versus 720 MHz, boost 2407 MHz versus 1560 MHz. Memory is 32 GB GDDR7 versus 20 GB GDDR6, with bus widths of 512 bit versus 160 bit. Bandwidth is 1.79 TB/s versus 280.0 GB/s.

Compute rates follow the same pattern. FP32 performance is 104.8 TFLOPS for the RTX 5090 D versus 19.17 TFLOPS for the RTX 4000 SFF, a 5.5x difference. FP16 is also 104.8 TFLOPS (1:1) versus 19.17 TFLOPS (1:1). Pixel rate is 423.6 GPixel/s versus 99.84 GPixel/s, and texture rate is 1,636.8 GTexel/s versus 299.5 GTexel/s. Power consumption scales with performance: 575 W TDP versus 70 W TDP. The RTX 5090 D requires a 16-pin power connector and a 950 W PSU, while the RTX 4000 SFF uses no connectors and a 250 W PSU.

Physical dimensions also diverge. The RTX 4000 SFF is 168 mm long and 69 mm high, while the RTX 5090 D is 304 mm long, 137 mm high, and 48 mm wide. Both are dual-slot. The bus interface differs: PCIe 4.0 x16 for the RTX 4000 SFF, PCIe 5.0 x16 for the RTX 5090 D. Display outputs are 4x mini-DisplayPort 1.4a for the former, and 1x HDMI 2.1b plus 3x DisplayPort 2.1b for the latter. The RTX 5090 D has a launch MSRP of 2,299 USD; the RTX 4000 SFF has no recorded launch MSRP.

Head-to-Head Benchmarks

The direct comparison is limited to two tests, and the RTX 5090 D wins both. In Geekbench OpenCL, the RTX 5090 D scores 310,674 against 124,812 for the RTX 4000 SFF Ada Generation. The delta is 59.8% in favor of the RTX 5090 D. In Geekbench Vulkan, the RTX 5090 D scores 376,915 against 109,364, a delta of 71%. These are not marginal victories; they are dominant, consistent with the hardware specifications. The RTX 5090 D has 3.5x the shading units, 5.5x the FP32 throughput, and 6.4x the memory bandwidth, so the benchmark outcomes align with the architectural advantages.

Turning to the wider benchmark context, the RTX 4000 SFF Ada Generation's average score of 117,088 places it 0.3% behind the NVIDIA GB10 (117,393), 1.6% behind the AMD Radeon PRO W7700 (118,976), 2.4% ahead of the NVIDIA Tesla V100 SXM2 16 GB (114,395), and 2.8% ahead of the NVIDIA RTX A5500 Mobile (113,944). These are close calls, indicating the RTX 4000 SFF is competitive with mid-range workstation GPUs. The RTX 5090 D's average of 77,712 sits 1.1% ahead of the AMD Radeon RX 6650M XT (76,904), 1.6% behind the AMD Radeon RX 6850M XT (78,940), 2.1% behind the NVIDIA Tesla P100 PCIe 12 GB (79,396), and 2.4% behind the NVIDIA Tesla P100 PCIe 16 GB (79,605). The RTX 5090 D's average is dragged down by its PassMark scores (231 in DirectX 10, 371 in DirectX 11, 219 in DirectX 12, 434 in DirectX 9, 1487 in G2D, 44065 in G3D, 28396 in compute), which are lower than its Geekbench scores. This explains why its percentile (92) is below the RTX 4000 SFF's percentile (95) despite the head-to-head wins.

Where Each One Wins

The RTX 5090 D wins every direct benchmark comparison, so its case is straightforward: it is the superior performer for any workload that can use its massive compute resources. The 104.8 TFLOPS FP32 and 1.79 TB/s bandwidth make it suited for heavy 3D rendering, large dataset processing, and high-resolution texture workloads. Its 32 GB of GDDR7 memory is double the RTX 4000 SFF's 20 GB, which matters for models or scenes that cannot fit in smaller memory pools. The Vulkan score of 376,915 suggests strong performance in modern graphics APIs and compute-heavy applications. The RTX 5090 D is the pick for any system with adequate power delivery and physical space.

The RTX 4000 SFF Ada Generation wins on constraints, not on raw speed. Its 70 W TDP means it can run in systems with a 250 W PSU, and its lack of power connectors allows installation without PCIe power cabling. Its 168 mm length fits in small form factor chassis that cannot accommodate the RTX 5090 D's 304 mm length. Its 20 GB of GDDR6 memory is still substantial for workstation tasks, and its 95th percentile standing indicates it performs well relative to the entire GPU database. The Geekbench OpenCL score of 124,812 and Vulkan score of 109,364 show it is no slouch for its power envelope, but it cannot match the RTX 5090 D's output. The RTX 4000 SFF is the correct choice for compact workstations, low-power builds, or systems where the RTX 5090 D's 575 W TDP and 950 W PSU requirement are simply not feasible. The data shows a trade-off between physical and electrical frugality on one side and overwhelming performance on the other. There is no middle ground in these measurements.