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PCPartMatch
AMD

RX 6600

VS
NVIDIA

RTX 4090

Specifications

SpecRX 6600RTX 4090
Performance
FP32 Performance8.9 TFLOPS82.6 TFLOPS+89%
Shader Units1,79216,384+89%
Boost Clock2,491 MHz2,520 MHz+1%
Base Clock1,626 MHz2,235 MHz+27%
Memory
VRAM8 GB24 GB+67%
VRAM TypeGDDR6GDDR6X
Memory Bus128-bit384-bit+67%
Memory Clock1,750 MHz2,626 MHz+33%
Memory Bandwidth2241,008.4+78%
Power
TDP132W+71%450W
Process Node7 nm FF (TSMC N7)4 nm (TSMC 4N)
Features
ArchitectureRDNA 2.0Ada
GPU ChipNavi 23 XL (Navi 23)AD102
Ray TracingN/ART Cores (128)
Tensor CoresN/A512
Display Outputs2x DisplayPort, 1x HDMI3x DisplayPort, 1x HDMI
Price
MSRP$329+84%$1,999
Verdict

The NVIDIA GeForce 40 RTX 4090 wins in 8 out of 10 comparable specs. Its biggest advantage is FP32 Performance (828% better). The RX 6600 wins in 2 specs, with its biggest advantage in MSRP (84% better).

Benchmarks Coming Soon

We are collecting benchmark data from trusted sources. Check back soon for real performance comparisons.

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