NVIDIA GeForce RTX 4090 vs NVIDIA GeForce RTX 4090 D
GPU · Specs Compare
Graphics Card
Release Date
Sep 2022
Dec 2023
Generation
GeForce 40
GeForce 40
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2235 MHz
2280 MHz
Boost Clock
2520 MHz
2520 MHz
Memory Clock
1313 MHz
1313 MHz
Memory
Memory Size
24GB
24GB
Memory Type
GDDR6X
GDDR6X
Memory Bus
384bit
384bit
Bandwidth
1.01TB/s
1008GB/s
Render Config
SM Count
128
114
Shading Units
16384
14592
TMUs
512
456
ROPs
176
176
Tensor Cores
512
456
RT Cores
128
114
L1 Cache
128 KB (per SM)
128 KB (per SM)
L2 Cache
72 MB
72 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
443.5 GPixel/s
Texture Rate
1290.2 GTexel/s
1149 GTexel/s
FP16 (half)
82.58 TFLOPS
73.54 TFLOPS
FP32 (float)
82.58 TFLOPS
73.54 TFLOPS
FP64 (double)
1290.2 GFLOPS
1149 GFLOPS
Graphics Processor
GPU Name
AD102
AD102
GPU Variant
AD102-300-A1
AD102-250-A1
Architecture
Ada Lovelace
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
76.3 billion
76.3 billion
Die Size
609 mm²
609 mm²
Board Design
TDP
450W
425W
Suggested PSU
850 W
800 W
Outputs
1x HDMI 2.13x DisplayPort 1.4a
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 16-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.4
1.3
CUDA
8.9
8.9
Shader Model
6.8
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.