RTX 3090

RTX 3090

VS
RTX 3080

RTX 3080

RTX 3090 vs RTX 3080

Which graphics card should you buy in 2026? Full spec comparison and analysis.

Our Pick: RTX 3080

The RTX 3080 wins this matchup with better value for money, lower price ($699 vs $1499). At $699, it's also the more affordable option.

Performance Overview

RTX 3090RTX 3080

Overall Performance

47
40

Gaming

49
43

Value for Money

20
35

Specifications Comparison

SpecificationRTX 3090RTX 3080
MSRP$1499$699Win
VRAM24GBWin10GB
Memory TypeGDDR6XGDDR6X
Boost Clock1695MHz1710MHzWin
Base Clock1395MHz1440MHzWin
Shader/Stream Processors10496Win8704
Performance35.6TFLOPSWin29.8TFLOPS
TDP350W320WWin
Memory Bus384-bitWin320-bit
Bandwidth936GB/sWin760GB/s
ArchitectureAmpereAmpere
Process Node8nm8nm
RT Cores82Win68
AI UpscalingDLSS 2.0DLSS 2.0
InterfacePCIe 4.0 x16PCIe 4.0 x16
Power Connector2x 8-pin2x 8-pin
Card Length313mm285mmWin
Benchmark Score47/100Win40/100
Gaming Score49/100Win43/100
Value Score20/10035/100Win

Frequently Asked Questions

Is the RTX 3090 better than the RTX 3080?

The RTX 3080 is the stronger card overall. It scores 40/100 in synthetic benchmarks and 43/100 in gaming versus 47/100 and 49/100 for the RTX 3090. In practical terms, the RTX 3090 is a 1440p medium / 1080p ultra card while the RTX 3080 targets 1440p medium / 1080p ultra. The RTX 3080 also has 10GB of GDDR6X on a 320-bit bus, giving it more headroom for high-res textures and future titles.

Which is the better value, RTX 3090 or RTX 3080?

The RTX 3090 costs 114% more for about 18% more performance. The RTX 3080 at $699 offers noticeably better performance per dollar. Our value scores reflect this: RTX 3090 gets 20/100 and RTX 3080 gets 35/100. If you are building on a tighter budget, the RTX 3080 at $699 is the smarter buy. If you can stretch to $1499 and want the extra performance, the RTX 3090 justifies its price for demanding workloads.

Can the RTX 3090 or RTX 3080 run games at 4K?

Neither card is an ideal 4K GPU. The RTX 3090 can manage 4K at medium settings in less demanding titles, but both are really designed for 1440p or 1080p gaming. If 4K is a priority, consider stepping up to a higher-tier card.

RTX 3090 vs RTX 3080 for 1440p gaming -- which is better?

At 1440p, the RTX 3090 is more comfortable but you may need to dial settings down in newer AAA games. The RTX 3080 will struggle at 1440p ultra in demanding titles. For a consistent 1440p experience, the RTX 3090 is the safer choice.

What CPU should I pair with the RTX 3090 or RTX 3080?

To avoid bottlenecking the RTX 3090 (gaming score 49/100), pair it with at least a Ryzen 5 7600 or Ryzen 5 9600X. For the RTX 3080 (gaming score 43/100), a Ryzen 5 7600 or Ryzen 5 9600X will keep things balanced. Overspending on the CPU relative to the GPU -- or vice versa -- leaves performance on the table. As a rule of thumb, your CPU should cost roughly 40-60% of your GPU budget for a gaming-focused build.

Is the RTX 3080 worth it in 2026?

The RTX 3080 remains a solid buy in 2026. With 10GB of GDDR6X and Ampere architecture, it handles current games at 1440p medium / 1080p ultra settings without issues. Support for DLSS 2.0 extends its lifespan further by boosting frame rates in supported titles. At $699 MSRP, it is on the pricier side, but you are paying for top-tier performance that will age gracefully.

Should I wait for next-gen or buy the RTX 3080 now?

If you need a GPU now, the RTX 3080 at $699 is a perfectly capable 1440p or 1080p card. The latest GPUs (NVIDIA RTX 50-series Blackwell, AMD RDNA 4) are now available, so consider comparing against the newest options in your budget. The RTX 3080's Ampere architecture and 10GB VRAM still have plenty of life left.

How much power does the RTX 3090 vs RTX 3080 use?

The RTX 3090 draws 350W TDP versus 320W for the RTX 3080, a difference of 30W. For the RTX 3090, a quality 850W PSU is recommended. The power difference is modest enough that PSU choice should not be a deciding factor between these two. The RTX 3080 uses a 2x 8-pin connector while the RTX 3090 needs 2x 8-pin.

How many FPS can I expect from the RTX 3090 vs RTX 3080?

Exact FPS varies by game and settings, but based on our gaming benchmark scores (RTX 3090: 49/100, RTX 3080: 43/100), the RTX 3090 typically delivers 14% more frames than the RTX 3080 at the same resolution and settings. In popular titles at 1440p or 1080p, the RTX 3090 with its 35.6 TFLOPS of compute power and 936 GB/s memory bandwidth pushes well above 60 FPS. Enabling DLSS 2.0 upscaling can boost that by another 30-50% with minimal visual quality loss.

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