AMD Radeon RX 7800 XT vs NVIDIA GeForce RTX 4090
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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 3,840)
- •NVIDIA GeForce RTX 4090 has higher RT cores (128 vs 60)
- •NVIDIA GeForce RTX 4090 has higher Base clock (2235 MHz vs 1295 MHz)
- •AMD Radeon RX 7800 XT has lower TDP (263 W vs 450 W)
Full spec comparison
Spec
AMD Radeon RX 7800 XT
NVIDIA GeForce RTX 4090
Performance
VRAM16 GB24 GB▲
Memory typeGDDR6GDDR6X
Memory bus width256 bit384 bit▲
Memory bandwidth624.1 GB/s1008 GB/s▲
Shading cores3,84016,384▲
RT cores60128▲
Tensor / AI cores0512▲
Base clock1295 MHz2235 MHz▲
Boost clock2430 MHz2520 MHz▲
Ray tracingYesYes
Upscaling techFSR 3 (Frame Generation)DLSS 3 (Frame Generation)
Power & Size
TDP263 W▲450 W
Recommended PSU700 W▲850 W
Power connector2× 8-pin1× 16-pin (12VHPWR)
Bus interfacePCIe 4.0 x16PCIe 4.0 x16
Card length267 mm▲304 mm
Slot width2.5 slots▲3.5 slots
Display outputs2× DisplayPort 2.1, 1× HDMI 2.1, 1× USB-C3× DisplayPort 1.4a, 1× HDMI 2.1