AMD Radeon RX 7900 XTX vs NVIDIA GeForce RTX 4090
Key differences
- •NVIDIA GeForce RTX 4090 has higher Tensor / AI cores (512 vs 0)
- •NVIDIA GeForce RTX 4090 has higher Shading cores (16,384 vs 6,144)
- •NVIDIA GeForce RTX 4090 has higher RT cores (128 vs 96)
- •AMD Radeon RX 7900 XTX has lower TDP (355 W vs 450 W)
- •AMD Radeon RX 7900 XTX has lower Slot width (3 slots vs 3.5 slots)
Full spec comparison
Spec
AMD Radeon RX 7900 XTX
NVIDIA GeForce RTX 4090
Performance
VRAM24 GB24 GB
Memory typeGDDR6GDDR6X
Memory bus width384 bit384 bit
Memory bandwidth960 GB/s1008 GB/s▲
Shading cores6,14416,384▲
RT cores96128▲
Tensor / AI cores0512▲
Base clock1929 MHz2235 MHz▲
Boost clock2500 MHz2520 MHz▲
Ray tracingYesYes
Upscaling techFSR 3 (Frame Generation)DLSS 3 (Frame Generation)
Power & Size
TDP355 W▲450 W
Recommended PSU800 W▲850 W
Power connector2× 8-pin1× 16-pin (12VHPWR)
Bus interfacePCIe 4.0 x16PCIe 4.0 x16
Card length287 mm▲304 mm
Slot width3 slots▲3.5 slots
Display outputs2× DisplayPort 2.1, 1× HDMI 2.1, 1× USB-C3× DisplayPort 1.4a, 1× HDMI 2.1