NVIDIA GeForce RTX 4090 D vs NVIDIA A800 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Dec 2023
Aug 2022
Generation
GeForce 40
Ampere
Type
Desktop
AI GPU
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
2280 MHz
1155 MHz
Boost Clock
2520 MHz
1410 MHz
Memory Clock
1313 MHz
1593 MHz
Memory
Memory Size
24GB
80GB
Memory Type
GDDR6X
HBM2e
Memory Bus
384bit
5120bit
Bandwidth
1008GB/s
2039GB/s
Render Config
SM Count
114
108
Shading Units
14592
6912
TMUs
456
432
ROPs
176
160
Tensor Cores
456
432
RT Cores
114
-
L1 Cache
128 KB (per SM)
192 KB (per SM)
L2 Cache
72 MB
40 MB
Theoretical Performance
Pixel Rate
443.5 GPixel/s
225.6 GPixel/s
Texture Rate
1149 GTexel/s
609.1 GTexel/s
FP16 (half)
73.54 TFLOPS
77.97 TFLOPS
FP32 (float)
73.54 TFLOPS
19.49 TFLOPS
FP64 (double)
1149 GFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
AD102
GA100
GPU Variant
AD102-250-A1
-
Architecture
Ada Lovelace
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
76.3 billion
54.2 billion
Die Size
609 mm²
826 mm²
Board Design
TDP
425W
400W
Suggested PSU
800 W
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)
N/A
OpenGL
4.6
N/A
OpenCL
3.0
3.0
Vulkan
1.3
N/A
CUDA
8.9
8.0
Shader Model
6.7
N/A