AMD Radeon RX 6400 vs AMD Radeon RX 6600
Affiliate disclosure: As an Amazon Associate, PCTalkTalk Compare earns from qualifying purchases. We may also earn a commission from Newegg and B&H Photo Video links, at no extra cost to you.
Key differences
- •AMD Radeon RX 6400 has lower TDP (53 W vs 132 W)
- •AMD Radeon RX 6600 has higher Shading cores (1,792 vs 768)
- •AMD Radeon RX 6600 has higher RT cores (28 vs 12)
- •AMD Radeon RX 6600 has higher VRAM (8 GB vs 4 GB)
- •AMD Radeon RX 6600 has higher Memory bus width (128 bit vs 64 bit)
Full spec comparison
Spec
AMD Radeon RX 6400
AMD Radeon RX 6600
Performance
VRAM4 GB8 GB▲
Memory typeGDDR6GDDR6
Memory bus width64 bit128 bit▲
Memory bandwidth128 GB/s224 GB/s▲
Shading cores7681,792▲
RT cores1228▲
Tensor / AI cores00
Base clock1923 MHz▲1626 MHz
Boost clock2321 MHz2491 MHz▲
Ray tracingYesYes
Upscaling techFSR 2/3FSR 2
Power & Size
TDP53 W▲132 W
Recommended PSU350 W▲500 W
Power connectorNone (slot power)1× 8-pin
Bus interfacePCIe 4.0 x4PCIe 4.0 x8
Card length169 mm▲190 mm
Slot width1.5 slots▲2 slots
Display outputs1× DisplayPort 1.4, 1× HDMI 2.11× DisplayPort 1.4, 1× HDMI 2.1