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GeForce RTX 4080 Super vs GeForce RTX 4090: Which Should You Buy?

Compare GeForce RTX 4080 Super and GeForce RTX 4090 by 1440p performance, 4K headroom, VRAM, ray tracing, power draw, cooler size, and street price, price.

Updated 2026-08-23

NVIDIA GeForce RTX 4080 Super

GeForce RTX 4080 Super

$899

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NVIDIA GeForce RTX 4090

GeForce RTX 4090

$1,799

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Buying decision

GeForce RTX 4080 Super is the stronger fit for 4K high and premium Ada deals; GeForce RTX 4090 makes more sense for 4K ultra and creator VRAM. GeForce RTX 4080 Super carries the lower editorial reference by $900, so choose the drawback you are more willing to accept.

GeForce RTX 4080 Super targets 4K high and premium Ada deals, while GeForce RTX 4090 is positioned for 4K ultra and creator VRAM. Their current editorial references are $899 and $1799. The practical decision is which documented drawback is less disruptive: GeForce RTX 4080 Super — Reference power input requires either the boxed three-8-pin adapter or a 450W+ PCIe Gen 5 cable; GeForce RTX 4090 — Driver maturity varies by title and launch window. Confirm source badges, exact configuration, and checkout pricing before buying.

GeForce RTX 4080 Super

Pick GeForce RTX 4080 Super if its strengths match your routine

Choose GeForce RTX 4080 Super when 4K high and premium Ada deals matches the work you repeat each week. It is listed at $899, with 14 cited specification fields. Against GeForce RTX 4090, its clearest case is 16GB GDDR6X memory on a 256-bit bus. The issue to test during the return window is whether reference power input requires either the boxed three-8-pin adapter or a 450W+ PCIe Gen 5 cable.

GeForce RTX 4090

Pick GeForce RTX 4090 if you value its trade-off more

Choose GeForce RTX 4090 when 4K ultra and creator VRAM matches the work you repeat each week. It is listed at $1799, with a product-level reference but no cited specification fields. Against GeForce RTX 4080 Super, its clearest case is strong everyday fit for 4K ultra. The issue to test during the return window is whether driver maturity varies by title and launch window.

Key differences

  • GeForce RTX 4080 Super is positioned around 4K gaming and ray tracing, while GeForce RTX 4090 leans toward 4K gaming and AI workloads.
  • The price context matters: GeForce RTX 4080 Super is tracked near $899, while GeForce RTX 4090 is tracked near $1799.
  • GeForce RTX 4080 Super's main watch-out is Street pricing can change quickly, whereas GeForce RTX 4090's main watch-out is May rely on refurbished or clearance availability.
  • Both products belong in the same GPUs shortlist, but they solve different buying problems rather than being interchangeable spec-table neighbors.

Winner by use case

1440p gaming

GeForce RTX 4080 Super

GeForce RTX 4080 Super gets the nod for 1440p gaming because its fit for 4K high and premium Ada deals is more relevant here than GeForce RTX 4090's different focus. Treat the win as conditional on this limitation: Reference power input requires either the boxed three-8-pin adapter or a 450W+ PCIe Gen 5 cable.

4K gaming

GeForce RTX 4090

GeForce RTX 4090 gets the nod for 4K gaming because its fit for 4K ultra and creator VRAM is more relevant here than GeForce RTX 4080 Super's different focus. Treat the win as conditional on this limitation: Driver maturity varies by title and launch window.

ray tracing

GeForce RTX 4080 Super

GeForce RTX 4080 Super gets the nod for ray tracing because its fit for 4K high and premium Ada deals is more relevant here than GeForce RTX 4090's different focus. Treat the win as conditional on this limitation: Reference power input requires either the boxed three-8-pin adapter or a 450W+ PCIe Gen 5 cable.

value builds

GeForce RTX 4090

GeForce RTX 4090 gets the nod for value builds because its fit for 4K ultra and creator VRAM is more relevant here than GeForce RTX 4080 Super's different focus. Treat the win as conditional on this limitation: Driver maturity varies by title and launch window.

Price and buying timing

GeForce RTX 4080 Super is tracked at $899, about 10% below its $999 launch reference, while GeForce RTX 4090 is tracked at a $1799 editorial reference. GeForce RTX 4080 Super currently carries the lower editorial reference by $900, but that saving only matters if it still covers the features you use every week. GeForce RTX 4080 Super remains a current-market option, but the exact US SKU and checkout price still need a retailer check; GeForce RTX 4090 should be judged as clearance, open-box, or refurbished stock, with warranty and battery condition checked before purchase. These figures are not live offers, so re-check retailer pricing and return terms before buying.

Recommendation

Quick verdict

GeForce RTX 4090 and GeForce RTX 4080 Super are close. Choose GeForce RTX 4090 if you care more about 4K ultra and creator VRAM; switch to GeForce RTX 4080 Super if its own strengths fit your routine better.

Winner for most buyers

GeForce RTX 4090

GeForce RTX 4090 is best suited to 4K ultra and creator VRAM. Compare alternatives if this documented drawback would undermine that fit: Driver maturity varies by title and launch window.

GeForce RTX 4080 Super

Editorial score: 8.7 / 10

Best for: 4K high, premium Ada deals

GeForce RTX 4090

Editorial score: 8.8 / 10

Best for: 4K ultra, creator VRAM

Side-by-side

Specification comparison

18 tracked specs across 7 groups

Every value shows its editorial trust state. “Needs confirmation” means the field has not completed field-level source review; it does not mean the value is known to be wrong.

GeForce RTX 4080 Super
GeForce RTX 4090
Platform
Architecture
NVIDIA Ada Lovelace
Source citedNVIDIA
Ada Lovelace AD102
Needs confirmation
Process Node
TSMC 4N
Needs confirmation
TSMC 4N
Needs confirmation
Memory
Memory
16GB
Source citedNVIDIA
24GB
Needs confirmation
Memory Type
GDDR6X
Source citedNVIDIA
GDDR6X
Needs confirmation
Memory Bus
256-bit
Source citedNVIDIA
384-bit
Needs confirmation
Memory Bandwidth
736 GB/s
Needs confirmation
1008 GB/s
Needs confirmation
Compute
Shader / CUDA Cores
10240 CUDA cores
Source citedNVIDIA
16384 CUDA cores
Needs confirmation
Boost Clock
2.55 GHz
Source citedNVIDIA
2.52 GHz
Needs confirmation
Power
Typical Board Power
320W
Source citedNVIDIA
450W
Needs confirmation
Recommended PSU
750W
Source citedNVIDIA
850W
Needs confirmation
Power Connectors
3x PCIe 8-pin adapter or 450W+ PCIe Gen 5 cable
Source citedNVIDIA
1x 16-pin (12VHPWR)
Needs confirmation
Gaming
Ray Tracing
3rd-gen RT cores
Source citedNVIDIA
3rd-gen RT cores
Needs confirmation
Upscaling
DLSS 3.5 (Super Resolution, DLAA, Ray Reconstruction, Frame Generation)
Source citedNVIDIA
DLSS 3.5
Needs confirmation
Frame Generation
DLSS Frame Generation
Source citedNVIDIA
DLSS Frame Generation
Needs confirmation
Target Resolution
4K high
Needs confirmation
4K ultra
Needs confirmation
Connectivity
Display Outputs
3x DisplayPort 1.4a, 1x HDMI 2.1
Source citedNVIDIA
3x DisplayPort 1.4a, 1x HDMI 2.1
Needs confirmation
Interface
PCIe 4.0 x16
Source citedNVIDIA
PCIe 4.0 x16
Needs confirmation
Physical
Card Length Class
Full-size dual/triple-slot class
Needs confirmation
Full-size triple-slot class
Needs confirmation
Sources and verification

These sources support the specification fields identified on the linked product pages. Unbadged fields remain editorial reference data, and price or regional availability should be checked again before purchase.

Deeper editorial notes

When GeForce RTX 4080 Super is the safer start

GeForce RTX 4080 Super is the better branch for 4K high and premium Ada deals, especially when 16GB GDDR6X memory on a 256-bit bus. It is tracked at $899 and has 14 cited specification fields. Compared with GeForce RTX 4090, do not choose it on ranking position alone. Treat this as the main ownership check: Reference power input requires either the boxed three-8-pin adapter or a 450W+ PCIe Gen 5 cable. Confirm the exact configuration before checkout.

When GeForce RTX 4090 is worth the jump

GeForce RTX 4090 is the better branch for 4K ultra and creator VRAM, especially when strong everyday fit for 4K ultra. It is tracked at $1799 and has a product-level reference but no cited specification fields. Compared with GeForce RTX 4080 Super, do not choose it on ranking position alone. Treat this as the main ownership check: Driver maturity varies by title and launch window. Confirm the exact configuration before checkout.

How to make the final call

Make the final call between GeForce RTX 4080 Super and GeForce RTX 4090 by comparing target-resolution performance, VRAM, ray tracing, and power requirements, then price the complete setup. GeForce RTX 4080 Super is lower by $900 on the current editorial references, but that gap can move. Check cited-field badges, configuration, warranty, return terms, and required accessories; choose the model whose documented strengths solve your routine with the less disruptive drawback.

Alternatives if neither is right

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