RTX 5090 vs RTX PRO 6000: Which One Should AI Developers Buy During a GPU Shortage?

During this shortage, buy the card you can actually get and that fits your largest model. For most AI developers in Singapore right now, that points to the RTX PRO 6000 Blackwell rather than the RTX 5090. On paper the 5090 is the better value for models that fit in 32 GB. In practice it is out of stock at SourceIT, and US prices run at roughly three to four times its US$1,999 launch price. The RTX PRO 6000 costs more but is in stock locally, holds 96 GB, and comes with professional drivers and features aimed at shared, business use. If neither suits the budget, an RTX PRO 5000 or a GB10 system covers a lot of development work.

What can you actually buy, and at what cost?

Source: SourceIT listings (6 Nov 2026); US prices from Tom's Hardware (17 Oct 2026) and eBay averages (Nov 2026). The RTX 5090 Laptop GPU is a smaller chip than the desktop card.

What changes when you can't get the card you want?

In a normal market, you would pick on price and performance and then order. In late 2026, availability decides first. NVIDIA says the RTX 5090 has not been discontinued, but its US store removed the card in October. Board-partner sources told der8auer they couldn't order new supply. Our rumours explainer separates what is confirmed from what isn't.

The RTX PRO 6000 hasn't been immune either. It launched at US$8,565 in March 2025. NVIDIA's US store listed it at US$13,250 in June 2026 and US$16,000 in August, without explaining why. The difference is that professional cards are still flowing through distribution. One US reseller, Viperatech, quotes lead times of "a few weeks to several months" for a single card and about 3–8 weeks for a workstation build. That is the reseller's own estimate, but it gives a sense of scale. For why memory is behind all of this, see whether AI is taking graphics cards from gamers.

Which card fits your models?

The two cards use the same GB202 chip and the same 1,792 GB/s memory bandwidth. When a model fits in 32 GB, published tests put them within about 0–25% of each other, and the 5090 sometimes wins. When it doesn't fit, the gap is large:

• gpt-oss-120b is about 65 GB in its native format. It fits on one RTX PRO 6000, but a 5090 can run it only by pushing part of the model into system RAM, at roughly 10–30 tokens per second depending on the setup.
• Llama 3.3 70B at FP8 is about 70.6 GB, so it also fits only on the PRO card.
• Long context costs memory as well. A 70B-class model's cache takes about 43 GB at 128K tokens in BF16.

Our drafts on RTX PRO 6000 vs RTX 5090 benchmarks and when a 5090 owner outgrows 32 GB go deeper on the performance side.

A cheaper card you can't buy isn't cheaper. During a shortage, the real comparison is the full system you can have running this month.

What does the whole system cost?

Neither card works on its own, so price the host too. As a public reference, Dell Singapore's online configurator on 6 November listed a Dell Pro Max Tower T2 at S$2,699.93 and the RTX PRO 6000 Workstation Edition as a S$28,701.88 option. That comes to about S$31,402 including GST, by our arithmetic. Those are Dell's list prices, not SourceIT's, and corporate quotes differ. A 5090 also needs a capable host: NVIDIA specifies 1,000 W of system power. And at today's US street prices the card alone can cost more than a complete RTX 5090 desktop did a few months ago.

A few non-price factors tip the balance for business buyers:

• Licence. NVIDIA's GeForce driver licence (25 Feb 2025, section 2.8) says the software "is not licensed for datacenter deployment". RTX PRO is NVIDIA's professional line, and the Server Edition is designed for data centres. If the machine will serve a team from a server room, read the licence for your situation.
• ECC and MIG. The RTX PRO 6000 exposes ECC memory and can be split into up to four isolated GPU instances, which helps when several developers share one card.
• Warranty and support. SourceIT's RTX PRO 6000 listings state a three-year warranty. A grey-import 5090 may not be supported locally.

Whether to buy the card alone or a complete workstation is covered in our card-versus-workstation guide.

What are the alternatives while supply is tight?

• RTX PRO 5000 (48 GB): half the memory of the PRO 6000 for about half the price. It is enough for 30B-class models at FP8 and 70B at 4-bit with modest context.
• GB10 systems such as the ASUS Ascent GX10 or DGX Spark: 128 GB of unified memory in a complete box, but only 273 GB/s of bandwidth. Published tests show a 5090 about 4–6.5 times faster on models that fit in 32 GB, while the Spark is about 2–6 times faster than a 5090 on gpt-oss-120b, because the model stays in memory. Our RTX 5090 vs ASUS Ascent GX10 comparison has the detail.
• RTX 5090 Laptop GPU systems: 24 GB is fine for 8B–20B-class models and image generation, in a box you can buy today.
• DGX Station GB300 for teams: 748 GB of coherent memory for large models and many users, at price on request, around S$150,000 depending on OEM and options as a working assumption.

How should an AI developer decide right now?

• If your largest model fits in 24–32 GB and the machine is personal, a 5090 remains the better value if you can source one at a sane price. Otherwise, a 5090 Laptop GPU system is available today.
• If you need 48–96 GB, ECC or multi-user sharing, or the machine will sit in a server room, buy RTX PRO and price the workstation alongside it.
• If capacity matters more than speed, for example to test 70B–120B models, a GB10 box is the cheapest complete option.
• For a company buying for several people, see why enterprise buyers lean towards OEM systems.

Buying in Singapore

The RTX PRO 6000 Blackwell Workstation Edition and Max-Q Workstation Edition are S$29,100 each and in stock. The RTX PRO 5000 Blackwell (48 GB) is S$14,971.20. Complete GB10 systems include the ASUS Ascent GX10 (1 TB) at S$10,350 and the NVIDIA DGX Spark (4 TB) at S$9,300. The ROG NUC 16 Edition 20 with the RTX 5090 Laptop GPU is S$11,888.40 (all listed 6 Nov 2026). RTX 5090 cards are out of stock, so ask us for availability. We can also quote complete workstations from HP, Lenovo and Dell built around an RTX PRO card. Prices change; ask for a current quotation. Use Request for Quotation on the product page, call (65) 6978 3502, email Sales@sourceit.com.sg or use our contact page.

Frequently asked questions

Should AI developers buy an RTX 5090 or an RTX PRO 6000 in 2026? If your models fit in 32 GB and you can source a 5090 at a reasonable price, it's the better value. If you need more memory, ECC, multi-user sharing or a professional-grade card for a shared server, or simply can't get a 5090, the RTX PRO 6000 is the practical choice.

Is the RTX PRO 6000 also affected by the shortage? Its US list price rose from US$8,565 at launch to US$16,000 on NVIDIA's store by August 2026. It is still available through distribution, and SourceIT lists it in stock at S$29,100 (6 Nov 2026).

Can I use RTX 5090 cards in a shared AI server? NVIDIA's GeForce driver licence says the software is not licensed for data-centre deployment. Check the licence for your specific use.

Is a GB10 box a good stopgap? For running large models slowly, yes: 128 GB of unified memory holds models a 5090 can't. For speed on models that fit in 32 GB, a 5090 is several times faster.

How long does it take to get an RTX PRO workstation? It depends on the OEM and configuration. One US reseller quotes about 3–8 weeks for workstation builds. Ask us for current lead times in Singapore.