Explore 24GB NVIDIA
RTX 3090
Compare the used price with your memory needs, power budget, and software.
Fresh sample unavailable—
Price, specs & buying checks ↗The used hardware buying advisor
Good hardware.
Better decisions.
Know what to buy.
Know what to pay.
Find hardware that fits your work, understand the used price, and know what to check before you buy.
GPUs · Macs · iPhones · iPads Independent. Affiliate-supported.
The hardware fileSC / 3090
A starting point for your shortlist
GeForce RTX 3090
24GB GDDR6X · NVIDIA Ampere
Sample unavailable—
Price reference, not an offer. Read the guide before choosing a listing.
01 / Start with the job
What are you buying for?
A useful recommendation starts with your needs. Choose a path into the guides.
01
Run AI locally
Start with memory, software support, and the models you want to run.
Find my GPU shortlist 02Upgrade my PC
Narrow your budget, then check the card’s power, size, and performance tradeoffs.
Read the budget GPU buying guide 03Buy refurbished Apple
Compare models and prices, then check condition, battery health, and return terms.
Read the refurbished iPhone guide02 / Build your shortlist
Different hardware.
Different reasons to buy.
Explore 24GB AMD
RX 7900 XTX
Check support for your applications before choosing the lower-priced option.
Fresh sample unavailable—
Price, specs & buying checks ↗
Explore 48GB workstation
RTX A6000
Consider more memory when your workload will not fit on a smaller card.
Fresh sample unavailable—
Price, specs & buying checks ↗Examples to compare, not a universal ranking. Dated asking-price samples, before shipping and tax. Conditions vary; insufficient or stale samples are withheld.
03 / Make the tradeoff
The difference
that matters to you.
Two cards can look similar on a spec sheet and fit very different builds. Compare memory, software, power, and price before paying for more.
Browse the buying guides ↗A clearer picture before checkout
The price is a reference.
The decision is yours.
How Silicon Comps works ↗01
Estimates and listings stay separate. Editorial fair values are labeled and dated. Asking-price samples are not completed sales.
02
Small samples don’t become offers. At least five valid listings are required for sample-derived offers.
03
You can see how we’re funded. We may earn when you buy through our affiliate links. Read the disclosure.
About Silicon Comps
Buy with context.
Silicon Comps helps buyers compare used GPUs and refurbished Apple hardware through buying guides, editorial fair-value estimates, and filtered eBay price samples. We cover 37 GPUs, 22 Apple Silicon Macs and MacBooks, and 18 iPhones and iPads. Prices are references for US-market hardware, not checkout offers or appraisals. Founded by Noah Weir in July 2026. Independent and supported by eBay Partner Network, Amazon Associates, and editorial VPSDime affiliate links.
Get in touch ↗