GPU Showdown

GeForce RTX 4090 DvsGeForce RTX 4080 SUPER

The GeForce RTX 4080 SUPER is a high-end card for gamers and creators who want strong 4K performance without going all the way to the top, while the GeForce RTX 4090 D is a slightly trimmed-down version of the flagship for those who need massive memory and raw compute for heavy workloads.

NVIDIA GeForce RTX 4090 D
24 GB · 425W
VS
NVIDIA GeForce RTX 4080 SUPER
16 GB · 320W
NVIDIA

GeForce RTX 4090 D

Ada Lovelace · TSMC 5 nm · 2023

73score
3/ 5
0 votes
VRAM
24 GB
TDP
425W
CUDA Cores
14,592
Boost Clock
2520 MHz

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NVIDIA

GeForce RTX 4080 SUPER

Ada Lovelace · TSMC 5 nm · 2024

82score
4.1/ 5
0 votes
VRAM
16 GB
TDP
320W
Shaders
10,240
Boost Clock
2550 MHz

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Aggregate Performance

Overall Performance Score

A unified score from combined synthetic and real-world benchmarks. 100 represents the fastest consumer GPU available.

RTX 4090 D
73
RTX 4080 SUPERWinner
82
RTX 4080 SUPER leads by 12.3% in aggregate performance.
Where they rank overall
#5RTX 408083
#6RTX 4080 SUPER82
#7RTX 5090 D V279
#11RX 7900 XTX76
#12RTX 4090 D73
#13RTX 4070 SUPER72
Technical Specifications

Side-by-Side Specs

Every detail compared. Highlighted cells indicate the leading value for that metric.

SpecsRTX 4090 DRTX 4080 SUPER
General
Process Node5 nm5 nm
Memory
VRAM24 GB16 GB
Memory TypeGDDR6XGDDR6X
Memory Bus384-bit256-bit
Bandwidth1008 GB/s736.3 GB/s
Compute
CUDA Cores14,59210,240
TMUs456320
ROPs176112
Boost Clock2520 MHz2550 MHz
FP3273.54 TF52.22 TF
Power
TDP425320
Power Connectors1x 16-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI 2.1, 3x DisplayPort 1.4a1x HDMI 2.1, 3x DisplayPort 1.4a
Verdict

Which should you buy?

Winner overall

The GeForce RTX 4090 D wins overall for users needing maximum graphics horsepower, despite the GeForce RTX 4080 SUPER's better efficiency and newer architecture.

Best value

For budget-conscious buyers, the GeForce RTX 4080 SUPER offers better value with lower power draw and similar real-world performance for most games.

When the other wins

The GeForce RTX 4090 D is the right choice if you work with massive 3D scenes or AI models that demand its larger video memory.

FAQ

Frequently asked questions

Is the RTX 4090 D better than the RTX 4080 SUPER?

Overall the RTX 4080 SUPER is the stronger graphics card: it ranks higher in our aggregate performance score (82 vs 73 out of 100), so it leads the RTX 4090 D in most workloads.

How much faster is the RTX 4080 SUPER than the RTX 4090 D?

Based on our aggregated benchmark scores the RTX 4080 SUPER is roughly 12% faster than the RTX 4090 D overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RTX 4090 D or the RTX 4080 SUPER?

If you want the most performance, pick the RTX 4080 SUPER. If the RTX 4090 D is meaningfully cheaper where you shop, it can be the better value for similar real-world results — check current prices and the full spec comparison above before deciding.