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NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 5090

Key differences

  • NVIDIA GeForce RTX 5090 has higher Memory bandwidth (1792 GB/s vs 1008 GB/s)
  • NVIDIA GeForce RTX 5090 has lower Slot width (2.5 slots vs 3.5 slots)
  • NVIDIA GeForce RTX 5090 has higher VRAM (32 GB vs 24 GB)
  • NVIDIA GeForce RTX 5090 has higher Memory bus width (512 bit vs 384 bit)
  • NVIDIA GeForce RTX 5090 has higher Shading cores (21,760 vs 16,384)

Full spec comparison

Spec
NVIDIA GeForce RTX 4090
NVIDIA GeForce RTX 5090
Performance
VRAM24 GB32 GB
Memory typeGDDR6XGDDR7
Memory bus width384 bit512 bit
Memory bandwidth1008 GB/s1792 GB/s
Shading cores16,38421,760
RT cores128170
Tensor / AI cores512680
Base clock2235 MHz2010 MHz
Boost clock2520 MHz2410 MHz
Ray tracingYesYes
Upscaling techDLSS 3 (Frame Generation)DLSS 4 (Multi Frame Generation)
Power & Size
TDP450 W575 W
Recommended PSU850 W1000 W
Power connector1× 16-pin (12VHPWR)1× 16-pin (12V-2x6)
Bus interfacePCIe 4.0 x16PCIe 5.0 x16
Card length304 mm304 mm
Slot width3.5 slots2.5 slots
Display outputs3× DisplayPort 1.4a, 1× HDMI 2.13× DisplayPort 2.1b, 1× HDMI 2.1b