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PCPartMatch
AMD

RX 6400

VS
AMD

RX 6600

Specifications

SpecRX 6400RX 6600
Performance
FP32 Performance3.6 TFLOPS8.9 TFLOPS+60%
Stream Processors7681,792+57%
Boost Clock2,321 MHz2,491 MHz+7%
Base Clock1,923 MHz+18%1,626 MHz
Memory
VRAM4 GB8 GB+50%
VRAM TypeGDDR6GDDR6
Memory Bus64-bit128-bit+50%
Memory Clock2,000 MHz+14%1,750 MHz
Memory Bandwidth128224+43%
Power
TDP53W+60%132W
Process Node6 nm FF (TSMC N6)7 nm FF (TSMC N7)
Features
ArchitectureRDNA 2.0RDNA 2.0
GPU ChipNavi 24 XL (Navi 24)Navi 23 XL (Navi 23)
Display Outputs1x DisplayPort, 1x HDMI2x DisplayPort, 1x HDMI
Price
MSRP$159+52%$329
Verdict

The AMD Radeon 6000 RX 6600 wins in 6 out of 10 comparable specs. Its biggest advantage is FP32 Performance (147% better). The RX 6400 wins in 4 specs, with its biggest advantage in TDP (60% better).

Benchmarks Coming Soon

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

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