GPU Showdown

GeForce RTX 4090 DvsGeForce RTX 5080

The GeForce RTX 4090 D is a toned-down flagship for creators and enthusiasts who need massive video memory, while the GeForce RTX 5080 targets high-refresh-rate gamers with newer architecture.

NVIDIA GeForce RTX 4090 D
24 GB · 425W
VS
NVIDIA GeForce RTX 5080
16 GB · 360W
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 5080

Blackwell 2.0 · TSMC 5 nm · 2025

86score
3.8/ 5
0 votes
VRAM
16 GB
TDP
360W
Shaders
10,752
Boost Clock
2617 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 5080Winner
86
RTX 5080 leads by 17.8% in aggregate performance.
Where they rank overall
#3RTX 409092
#4RTX 508086
#5RTX 408083
#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 5080
General
Process Node5 nm5 nm
Memory
VRAM24 GB16 GB
Memory TypeGDDR6XGDDR7
Memory Bus384-bit256-bit
Bandwidth1008 GB/s960 GB/s
Compute
CUDA Cores14,59210,752
TMUs456336
ROPs176112
Boost Clock2520 MHz2617 MHz
FP3273.54 TF56.28 TF
Power
TDP425360
Power Connectors1x 16-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI 2.1, 3x DisplayPort 1.4a1x HDMI 2.1b, 3x DisplayPort 2.1b
Verdict

Which should you buy?

Winner overall

The GeForce RTX 5080 wins overall with noticeably stronger performance and better efficiency for modern gaming.

Best value

The GeForce RTX 5080 is the smarter buy for budget-minded gamers, offering more speed per dollar than the RTX 4090 D.

When the other wins

If you need abundant video memory for large creative projects or AI workloads, the GeForce RTX 4090 D is the right choice.

FAQ

Frequently asked questions

Is the RTX 4090 D better than the RTX 5080?

Overall the RTX 5080 is the stronger graphics card: it ranks higher in our aggregate performance score (86 vs 73 out of 100), so it leads the RTX 4090 D in most workloads.

How much faster is the RTX 5080 than the RTX 4090 D?

Based on our aggregated benchmark scores the RTX 5080 is roughly 18% 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 5080?

If you want the most performance, pick the RTX 5080. 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.