GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Quick Verdict

On raw speed the GeForce RTX 4080 SUPER comes out dramatically faster — about 44% ahead of the GeForce RTX 3090. It also wins on performance-per-dollar, making it the cleaner choice when you can afford it.

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VS
Price
$4927
Perf Index
41%
Value Score
0.008
VRAM24GB GDDR6
Thermal TDP350W
NVIDIA
GeForce RTX 4080 SUPER
Price
$2900
Perf Index
59%
Value Score
0.020
VRAM16GB GDDR6
Thermal TDP320W

GeForce RTX 4080 SUPER vs GeForce RTX 3090: In-Depth Breakdown

Performance: GeForce RTX 4080 SUPER vs GeForce RTX 3090

The GeForce RTX 4080 SUPER is dramatically faster, around 44% ahead of the GeForce RTX 3090. That gap is enough to move it up a tier: the GeForce RTX 4080 SUPER is comfortable at 4K with upscaling and native 1440p, while the GeForce RTX 3090 is better matched to 1440p.

Price & Value

The GeForce RTX 4080 SUPER currently lists from $2,900, $2,027 less than the GeForce RTX 3090 at $4,927. Because it's both faster and competitively priced, the GeForce RTX 4080 SUPER wins on performance-per-dollar by about 145%. The GeForce RTX 4080 SUPER still sits about $1,901 above its $999 MSRP. The GeForce RTX 3090 still sits about $3,428 above its $1,499 MSRP.

Power & Efficiency

At 320W against 350W, the GeForce RTX 4080 SUPER is both the lower-power and the more efficient card, making it the easier build to cool and power.

VRAM & Future-Proofing

The GeForce RTX 3090 carries 24GB versus 16GB on the GeForce RTX 4080 SUPER. The extra 8GB helps at 4K, with high-resolution texture packs, and for content-creation or local-AI workloads that exhaust smaller buffers.

Generation & Longevity

The GeForce RTX 4080 SUPER is roughly 4 years newer than the GeForce RTX 3090, so it generally benefits from a more modern architecture and longer driver-support runway.

Which should you buy: GeForce RTX 3090 or GeForce RTX 4080 SUPER?

the GeForce RTX 4080 SUPER is the all-round winner here — it's faster and the better value, so buy it if it fits your budget. Only consider the GeForce RTX 3090 if you find it at a steep discount.

Frequently Asked Questions

Is the GeForce RTX 4080 SUPER better than the GeForce RTX 3090?

The GeForce RTX 4080 SUPER is dramatically faster, roughly 44% ahead. If your budget allows, it's the stronger pick.

Which is better for 4K gaming, the GeForce RTX 3090 or the GeForce RTX 4080 SUPER?

The GeForce RTX 4080 SUPER is the better 4K option — it's comfortable at 4K with upscaling and native 1440p.

Is the GeForce RTX 3090 worth the extra $2,027 over the GeForce RTX 4080 SUPER?

Only if you need the extra performance or features; on pure value the GeForce RTX 4080 SUPER comes out ahead.

Does the GeForce RTX 3090 have enough VRAM advantage to matter?

Its 24GB (vs 16GB) gives real headroom for 4K, heavy texture mods, and creative/AI work. At 1080p the gap matters less.