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GeForce RTX 4090 vs GeForce RTX 3090

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 4090 has more CUDA Cores (16384 vs 10496).
  • GeForce RTX 4090 has more Memory bandwidth (1,010 GB/s vs 936.2 GB/s).
  • Boost clock: GeForce RTX 4090 has 2,520 MHz; GeForce RTX 3090 has 1,695 MHz.
  • TDP / TBP / board power: GeForce RTX 4090 has 450 W; GeForce RTX 3090 has 350 W.
  • Architecture: GeForce RTX 4090 has Ada Lovelace; GeForce RTX 3090 has Ampere.
  • Launch date: GeForce RTX 4090 has 2022-09-20; GeForce RTX 3090 has 2020-09-01.
Row order:
Muted cells indicate unavailable, not applicable, or not directly comparable specifications.
Spec GeForce RTX 4090 GeForce RTX 3090
Overview
Product name NVIDIA GeForce RTX 4090 NVIDIA GeForce RTX 3090
Architecture Ada Lovelace Ampere
Generation / family GeForce RTX 40 Series GeForce RTX 30 Series
GPU codename AD102 GA102
Launch date 2022-09-20 2020-09-01
Market segment Desktop, Flagship in GeForce RTX 40 Series Desktop, Flagship in GeForce RTX 30 Series
Board type / entry type Reference GPU Reference GPU
GPU
Process node TSMC 5 nm Samsung 8 nm
Die size 609 mm² 628 mm²
Transistor count 76.3 billion 28.3 billion
GPU chip AD102 GA102
SM / multiprocessor count 128 82
CUDA Cores 16384 10496
Tensor Cores 512 328
RT Cores 128 82
ROPs 176 112
TMUs 512 328
Clocks
Base / Core clock 2,235 MHz 1,395 MHz
Boost clock 2,520 MHz 1,695 MHz
Memory clock 1,313 MHz 1,219 MHz
Memory
Memory size 24 GB 24 GB
Memory type GDDR6X GDDR6X
Memory bus width 384-bit 384-bit
Memory bandwidth 1,010 GB/s 936.2 GB/s
Bus / Interface
Bus interface PCIe 4.0 x16 PCIe 4.0 x16
AGP / PCI / PCIe distinction PCIe PCIe
Power
TDP / TBP / board power 450 W 350 W
Recommended PSU 850 W 750 W
Power connectors 1x 16-pin 1x 12-pin
Slot width Triple-slot, 304 mm length, 61 mm width Triple-slot, 336 mm length, 61 mm width
Display / Media
Display outputs 1x HDMI 2.1, 3x DisplayPort 1.4a 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 8.9 8.6
Shader Model 6.8 6.8
Ray tracing support Hardware RT units present Hardware RT units present
Performance / Benchmarks
FP32 throughput 82.58 TFLOPS 35.58 TFLOPS
FP16 throughput 82.58 TFLOPS 35.58 TFLOPS

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