NVIDIA GeForce RTX 4090 D vs NVIDIA GeForce RTX 2080 Max Q
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Jan 2019
Generation
GeForce 40
GeForce 20 Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
2280 MHz
735 MHz
Boost Clock
2520 MHz
1095 MHz
Memory Clock
1313 MHz
1500 MHz
Memory
Memory Size
24GB
8GB
Memory Type
GDDR6X
GDDR6
Memory Bus
384bit
256bit
Bandwidth
1008GB/s
384.0GB/s
Render Config
SM Count
114
46
Shading Units
14592
2944
TMUs
456
184
ROPs
176
64
Tensor Cores
456
368
RT Cores
114
46
L1 Cache
128 KB (per SM)
64 KB (per SM)
L2 Cache
72 MB
4 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
70.08 GPixel/s
Texture Rate
1149 GTexel/s
201.5 GTexel/s
FP16 (half)
73.54 TFLOPS
12.89 TFLOPS
FP32 (float)
73.54 TFLOPS
6.447 TFLOPS
FP64 (double)
1149 GFLOPS
201.5 GFLOPS
Graphics Processor
GPU Name
AD102
TU104
GPU Variant
AD102-250-A1
N18E-G3-A1
Architecture
Ada Lovelace
Turing
Foundry
TSMC
TSMC
Process Size
5 nm
12 nm
Transistors
76.3 billion
13.6 billion
Die Size
609 mm²
545 mm²
Board Design
TDP
425W
80W
Suggested PSU
800 W
-
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 16-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
8.9
7.5
Shader Model
6.7
6.6