NVIDIA RTX PRO 4500 Blackwell vs GeForce RTX 5090: 32 GB each, 200 W against 575 W

RTX PRO 4500 Blackwell vs RTX 5090, figure by figure

NVIDIA names no GeForce equivalent. By NVIDIA's published figures the GeForce card of the same generation closest in CUDA cores is the RTX 5080 (10,752 cores, 16 GB, 360 W), against 10,496 cores, 32 GB and 200 W for the NVIDIA RTX PRO 4500 Blackwell Workstation Edition. By memory the closest is the RTX 5090, the only GeForce card with 32 GB, at 21,760 cores and 575 W. By power the professional card lies between the RTX 5060 Ti at 180 W and the RTX 5070 at 250 W. Each figure points to a different card. The pair people search for, RTX PRO 4500 vs 5090, has the memory size in common; in cores, power and cables the two cards differ.

The table holds NVIDIA's figures only; setting the cards side by side is our work, and NVIDIA names no chip for either line in the documents we read.

NVIDIA datasheets 5108623 (April 2026) and 5192801 (April 2026); NVIDIA's "Compare Current and Previous GeForce Series of Graphics Cards" page, read 10 November 2026; encoder and decoder counts from NVIDIA's Video Encode and Decode GPU Support Matrix of 16 October 2026.

Two cards are called RTX PRO 4500 Blackwell, and their figures must not be mixed. The Workstation Edition is the active dual-slot card with display outputs, and it is the card this comparison is about. The Server Edition is a passive card for rack servers and has its own section below. The RTX 4090 and RTX 3090 belong to older generations, Ada Lovelace and Ampere; CUDA-core counts compare only inside one generation, so the identical 10,496 of the RTX 3090 says nothing about equal speed.

Both cards have 32 GB

Memory is where the two cards meet: NVIDIA lists 32 GB of GDDR7 for both, so by the published size neither holds more than the other. Our sizing rule gives a 32 GB card a budget of 25.7 GiB for model weights plus KV cache, which is 0.9 times the memory the driver reports, less 3 GiB. The reported memory is scaled from the 95.6 GiB the driver shows on the 96 GB card; that is an assumption, and the driver on the delivered card decides. Two files inside that budget, by their size on Hugging Face on 10 November 2026, are Gemma 4 12B-it in BF16 (22.28 GiB) and Devstral Small 2 24B Instruct in FP8 (24.02 GiB). The same arithmetic gives the 16 GB RTX 5080 11.3 GiB and the 24 GB of the RTX 4090 and RTX 3090 18.5 GiB.

The documented difference in memory is error correction. NVIDIA's datasheet and its desktop line-up page of 8 September 2026 give the RTX PRO 4500 Workstation Edition "GDDR7 with ECC". NVIDIA's GeForce comparison page does not list ECC; the word does not occur on it. That is a gap in a specification table and no statement about what GeForce memory can do. The professional datasheet gives a memory bandwidth of 896 GB/s; the GeForce figures used here contain no bandwidth, so this article prints no such comparison.

A model or scene that needs more than 32 GB on one card rules out both. The professional steps above are the NVIDIA RTX PRO 5000 Blackwell with 48 or 72 GB, which our RTX PRO 5000 Blackwell vs RTX 5090 comparison covers, and the 96 GB cards in RTX PRO 6000 vs RTX 5090. The 48 GB card has its own page, buy the RTX PRO 5000 Blackwell 48 GB, and its two memory sizes are set out in RTX PRO 5000 48 GB vs 72 GB.

200 W in two slots against 575 W

NVIDIA datasheet 5108623 (April 2026) and NVIDIA's quick start guide for RTX PRO Blackwell cards; NVIDIA's GeForce comparison page, read 10 November 2026. GeForce sizes are those of NVIDIA's Founders Edition; NVIDIA notes that specifications may vary by card manufacturer.

The RTX 5090 is listed at 575 W, 2.9 times the 200 W of the RTX PRO 4500 Workstation Edition by our arithmetic. Its Founders Edition needs four 8-pin PCIe cables on the adapter in the box or one 600 W PCIe Gen 5 cable; the professional card takes one PCIe CEM5 16-pin cable, and its box holds an adapter from two 8-pin cables. "Required System Power" is what NVIDIA gives for its test system, a PC with a Ryzen 9 9950X processor; it is no general recommendation for a power supply. For the RTX PRO 4500 Workstation Edition NVIDIA publishes no power-supply figure.

In size the published figures lie closer together than in power. The professional card is 4.4 in high and 10.5 in long, about 112 by 267 mm converted, in two slots with active cooling. The RTX 5090 Founders Edition is 304 by 137 mm in two slots, so about 37 mm longer and 25 mm taller. Cards of other makers differ from that.

Power counts once several cards share a tower. Two RTX PRO 4500 Workstation Edition cards draw 400 W, four draw 800 W and hold 128 GB in eight slot widths. Two RTX 5090 come to 1,150 W by NVIDIA's figure and hold 64 GB. Our page to buy an RTX PRO 4500 workstation describes towers with two to four cards. The RTX PRO 4500 Blackwell Workstation Edition is a card we supply across the EU; send us the chassis, its power supply and the number of cards and a written quote follows within one business day.

ECC, drivers, encoder sessions and the sync board in NVIDIA's documents

NVIDIA datasheet 5108623 (April 2026); desktop line-up page (8 September 2026); Video Encode and Decode GPU Support Matrix (16 October 2026); RTX PRO Sync Solutions page (15 October 2026); vGPU supported-GPU list (2 October 2026); MIG User Guide (4 November 2026); GeForce comparison page and NVIDIA's driver download page, read 10 November 2026.

Driver branch. The RTX PRO 4500 Workstation Edition runs on the NVIDIA RTX Enterprise Production Branch driver, which NVIDIA's driver page describes as a rebrand of the Quadro Optimal Driver for Enterprise with the same ISV certification, long life-cycle support and regular security updates. For GeForce NVIDIA publishes Game Ready and Studio drivers. Our guide to the RTX Enterprise driver on Windows 10 and 11 explains the branches.

Certification lists. What counts is the software maker's own list. Dassault's SOLIDWORKS 2026 certification list, read 10 November 2026, has rows with desktop workstations and the RTX PRO 4500 Blackwell, and no GeForce name appears in the NVIDIA part of its card filter. A row certifies one computer model with one card and one driver. Autodesk's system-requirement pages for AutoCAD 2027 and Revit 2027, read 10 November 2026, hold no card list at all.

Video encoding. The rows differ in both directions. The RTX 5090 has three encoders and two decoders, the RTX PRO 4500 Workstation Edition two of each. NVIDIA's matrix gives 12 as the maximum number of concurrent NVENC sessions in every GeForce desktop row and lists the professional card as unrestricted; AV1 and 4:2:2 encoding are listed on both sides. Our article on NVENC session limits shows that "unrestricted" is no property of every professional card.

Displays and synchronisation. The professional card has four DisplayPort 2.1b outputs and no HDMI, and its datasheet states four displays at 3840 × 2160 and 165 Hz or two at 7680 × 4320 and 100 Hz. The GeForce RTX 50 cards have three DisplayPort 2.1b outputs and one HDMI 2.1b. For display walls and simulators the RTX PRO 4500 Workstation Edition is on NVIDIA's RTX PRO Sync page and in the sync table of the 621.14 release notes; the page lists no GeForce card. NVIDIA's Mosaic page names its RTX PRO, RTX and Quadro professional products; we found no explicit exclusion of GeForce.

In a rack: the Server Edition and the GeForce driver licence

For servers NVIDIA makes a second card, the NVIDIA RTX PRO 4500 Blackwell Server Edition. It is passive and single slot, takes its air from the chassis fans, draws 165 W, which can be set down to 100 W, and has 800 GB/s of memory bandwidth with three encoders and three decoders. Its datasheet states up to two MIG instances of 16 GB each, and NVIDIA's vGPU list includes it from release 20.0. No GeForce card is in NVIDIA's MIG guide of 4 November 2026 or on its vGPU list of 2 October 2026. By the published figures, two Server Edition cards take two slot widths, as one RTX 5090 Founders Edition does, and come to 330 W and 64 GB against 575 W and 32 GB.

The second point is the driver licence. Section 2.8 of NVIDIA's driver licence agreement, as read on 10 November 2026, says GeForce or Titan software "is not licensed for datacenter deployment"; the clause concerns the driver licence, not the hardware. Our article on GeForce in a server and the driver licence sets out the text. The passive card is described on the page to buy the RTX PRO 4500 Server Edition and in its specs.

Published tests we can cite for the RTX PRO 4500 Blackwell

Equal memory says nothing about speed. NVIDIA lists the RTX 5090 with a little over twice the CUDA cores and almost three times the card power; what that means in a given application we cannot cite from a published test. No Puget Systems or StorageReview article that we read tests the RTX PRO 4500 Blackwell against a GeForce card, and for the RTX PRO 4500 Workstation Edition no acceptable published measurement of tokens per second exists, so this page prints no speed comparison.

What has been measured is the step between professional generations. Puget Systems' roundup of 18 December 2025, run on a Ryzen 9 9950X3D, put the RTX PRO 4500 Workstation Edition 73 per cent ahead of the NVIDIA RTX 4500 Ada Generation in V-Ray GPU, 50 per cent in Blender Cycles and 43 per cent in OctaneBench. The one direct test of a professional Blackwell card against the RTX 5090 that we read concerns the RTX PRO 6000 Workstation Edition; our RTX PRO 6000 comparison linked above uses it.

RTX 5080, RTX 4090 and RTX 3090 beside the RTX PRO 4500 Blackwell

RTX 5080. The closest GeForce card of the same generation by CUDA cores has 2.4 per cent more of them than the RTX PRO 4500 Workstation Edition, half the memory at 16 GB and 1.8 times the card power at 360 W, by our arithmetic. Its Founders Edition has the dimensions of the RTX 5090.

RTX 4090. NVIDIA lists 16,384 CUDA cores, 24 GB of GDDR6X and 450 W in a three-slot Founders Edition of 304 by 137 mm, launched on 12 October 2022. Its outputs are DisplayPort 1.4a and HDMI 2.1a, and NVIDIA's matrix lists AV1 encoding but no 4:2:2 encoding for the 40 Series.

RTX 3090. 24 GB of GDDR6X and 350 W in a three-slot Founders Edition of 313 by 138 mm, available from 24 September 2020; one encoder, and no AV1 encoding in NVIDIA's matrix.

Against both older cards the RTX PRO 4500 Workstation Edition has 8 GB more memory and is listed at 200 W, against 450 W and 350 W. For comparisons inside the Ada generation see RTX 5000 Ada and 4500 Ada vs RTX 4090 and 4080; the next professional card down is paired in RTX PRO 4000 Blackwell vs RTX 5080 and 5090.

Five company cases and the card for each

• Several GPUs in one tower. At 200 W and two slots each, four RTX PRO 4500 Workstation Edition cards come to 800 W in eight slot widths.
• CAD seats where certification is required. The check starts at the software maker's list for the workstation model; for SOLIDWORKS 2026 it has rows with the RTX PRO 4500 Blackwell.
• Display walls, simulators, many encoder sessions. The sync board and the unrestricted session count are documented for the professional card.
• GPU servers and virtual desktops. The Server Edition, for its passive cooling, MIG, vGPU and the licence clause above.
• One GPU, and none of the documented differences matters to the work. The RTX 5090 is listed with more than twice the CUDA cores at the same 32 GB, and with 575 W of card power.

We supply professional cards to companies and do not sell GeForce cards. The Workstation Edition is on our page to buy the RTX PRO 4500 Blackwell, with all figures in the RTX PRO 4500 Blackwell 32 GB article, and the step to 48 GB in RTX PRO 4500 vs RTX PRO 5000 Blackwell. If the choice for your workstations is open, describe the application, the number of GPUs per machine and where the machines stand, and we answer with the professional card that fits and a written quote.

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