GPU Showdown

Radeon RX Vega 64vsGeForce RTX 4090

The GeForce RTX 4090 is a top-tier card for 4K gaming and heavy creative work, while the Radeon RX Vega 64 is an older, mid-range option for 1440p gaming on a tighter budget.

AMD Radeon RX Vega 64
8 GB · 295W
VS
NVIDIA GeForce RTX 4090
24 GB · 450W
AMD

Radeon RX Vega 64

GCN 5.0 · TSMC 14 nm · 2017

33score
4.3/ 5
0 votes
VRAM
8 GB
TDP
295W
CUDA Cores
4,096
Boost Clock
1546 MHz

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NVIDIA

GeForce RTX 4090

Ada Lovelace · TSMC 5 nm · 2022

92score
3.8/ 5
0 votes
VRAM
24 GB
TDP
450W
Shaders
16,384
Boost Clock
2520 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.

RX Vega 64
33
RTX 4090Winner
92
RTX 4090 leads by 178.8% in aggregate performance.
Where they rank overall
#2RTX 509094
#3RTX 409092
#4RTX 508086
#80RX 6600 LE34
#81RX Vega 6433
#82Titan X Pascal33
Technical Specifications

Side-by-Side Specs

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

SpecsRX Vega 64RTX 4090
General
Process Node14 nm5 nm
Memory
VRAM8 GB24 GB
Memory TypeHBM2GDDR6X
Memory Bus2048-bit384-bit
Bandwidth483.8 GB/s1010 GB/s
Compute
CUDA Cores4,09616,384
TMUs256512
ROPs64176
Boost Clock1546 MHz2520 MHz
FP3212.66 TF82.58 TF
Power
TDP295450
Power Connectors2x 8-pin1x 16-pin
Display
Max Resolution7680×43207680×4320
Display Outputs1x HDMI, 3x DisplayPort1x HDMI 2.1, 3x DisplayPort 1.4a
Verdict

Which should you buy?

Winner overall

The GeForce RTX 4090 wins overall for anyone needing top-tier performance, leaving the older Radeon RX Vega 64 far behind.

Best value

For budget or value buyers, the Radeon RX Vega 64 is the smarter pick if you can find it cheap.

When the other wins

The Radeon RX Vega 64 is the right choice when you only play older or less demanding games and want to save money.

FAQ

Frequently asked questions

Is the RX Vega 64 better than the RTX 4090?

Overall the RTX 4090 is the stronger graphics card: it ranks higher in our aggregate performance score (92 vs 33 out of 100), so it leads the RX Vega 64 in most workloads.

How much faster is the RTX 4090 than the RX Vega 64?

Based on our aggregated benchmark scores the RTX 4090 is roughly 179% faster than the RX Vega 64 overall. The real-world gap varies by game, resolution and settings.

Which should you buy, the RX Vega 64 or the RTX 4090?

If you want the most performance, pick the RTX 4090. If the RX Vega 64 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.