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PCPartMatch
AMD

RX 6400

VS
NVIDIA

RTX 4090

Specifications

SpecRX 6400RTX 4090
Performance
FP32 Performance3.6 TFLOPS82.6 TFLOPS+96%
Shader Units76816,384+95%
Boost Clock2,321 MHz2,520 MHz+8%
Base Clock1,923 MHz2,235 MHz+14%
Memory
VRAM4 GB24 GB+83%
VRAM TypeGDDR6GDDR6X
Memory Bus64-bit384-bit+83%
Memory Clock2,000 MHz2,626 MHz+24%
Memory Bandwidth1281,008.4+87%
Power
TDP53W+88%450W
Process Node6 nm FF (TSMC N6)4 nm (TSMC 4N)
Features
ArchitectureRDNA 2.0Ada
GPU ChipNavi 24 XL (Navi 24)AD102
Ray TracingN/ART Cores (128)
Tensor CoresN/A512
Display Outputs1x DisplayPort, 1x HDMI3x DisplayPort, 1x HDMI
Price
MSRP$159+92%$1,999
Verdict

The NVIDIA GeForce 40 RTX 4090 wins in 8 out of 10 comparable specs. Its biggest advantage is FP32 Performance (2194% better). The RX 6400 wins in 2 specs, with its biggest advantage in MSRP (92% better).

Benchmarks Coming Soon

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

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