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

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