GPU Wiki

GeForce RTX 5090 vs GeForce RTX 4090

Select up to four GPU Wiki entries to compare matching specifications row by row. The comparison uses the site database and keeps generation-specific specs visibly separate.

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Key Differences

  • GeForce RTX 5090 has more CUDA Cores (21760 vs 16384).
  • GeForce RTX 5090 has more Memory size (32 GB vs 24 GB).
  • GeForce RTX 5090 has more Memory bandwidth (1,790 GB/s vs 1,010 GB/s).
  • Boost clock: GeForce RTX 5090 has 2,407 MHz; GeForce RTX 4090 has 2,520 MHz.
  • TDP / TBP / board power: GeForce RTX 5090 has 575 W; GeForce RTX 4090 has 450 W.
  • Architecture: GeForce RTX 5090 has Blackwell 2.0; GeForce RTX 4090 has Ada Lovelace.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec GeForce RTX 5090 GeForce RTX 4090
Overview
Product name NVIDIA GeForce RTX 5090 NVIDIA GeForce RTX 4090
Architecture Blackwell 2.0 Ada Lovelace
Generation / family GeForce RTX 50 Series GeForce RTX 40 Series
GPU codename GB202 AD102
Launch date 2025-01-30 2022-09-20
Market segment Desktop, Flagship in GeForce RTX 50 Series Desktop, Flagship in GeForce RTX 40 Series
Board type / entry type Reference GPU Reference GPU
GPU
Process node TSMC 5 nm TSMC 5 nm
Die size 750 mm² 609 mm²
Transistor count 92.2 billion 76.3 billion
GPU chip GB202 AD102
SM / multiprocessor count 170 128
CUDA Cores 21760 16384
Tensor Cores 680 512
RT Cores 170 128
ROPs 176 176
TMUs 680 512
Clocks
Base / Core clock 2,017 MHz 2,235 MHz
Boost clock 2,407 MHz 2,520 MHz
Memory clock 1,750 MHz 1,313 MHz
Memory
Memory size 32 GB 24 GB
Memory type GDDR7 GDDR6X
Memory bus width 512-bit 384-bit
Memory bandwidth 1,790 GB/s 1,010 GB/s
Bus / Interface
Bus interface PCIe 5.0 x16 PCIe 4.0 x16
AGP / PCI / PCIe distinction PCIe PCIe
Power
TDP / TBP / board power 575 W 450 W
Recommended PSU 950 W 850 W
Power connectors 1x 16-pin 1x 16-pin
Slot width Dual-slot, 304 mm length, 40 mm width Triple-slot, 304 mm length, 61 mm width
Display / Media
Display outputs 1x HDMI 2.1b, 3x DisplayPort 2.1b 1x HDMI 2.1, 3x DisplayPort 1.4a
Features
DirectX support DirectX 12.2 DirectX 12.2
OpenGL support OpenGL 4.6 OpenGL 4.6
Vulkan support Vulkan 1.4 Vulkan 1.4
CUDA support 12.0 8.9
Shader Model 6.8 6.8
Ray tracing support Hardware RT units present Hardware RT units present
Performance / Benchmarks
FP32 throughput 104.8 TFLOPS 82.58 TFLOPS
FP16 throughput 104.8 TFLOPS 82.58 TFLOPS

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