NVIDIA A800 SXM4 80 GB vs NVIDIA GeForce GTX 660 Rev. 2
GPU Specs Compare
Graphics Card
Release Date
Aug 2022
Sep 2014
Generation
Ampere
GeForce 600
Type
AI GPU
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1155 MHz
980 MHz
Boost Clock
1410 MHz
1032 MHz
Memory Clock
1593 MHz
1502 MHz
Memory
Memory Size
80GB
2GB
Memory Type
HBM2e
GDDR5
Memory Bus
5120bit
192bit
Bandwidth
2039GB/s
144.2GB/s
Render Config
SM Count
108
-
Shading Units
6912
960
TMUs
432
80
ROPs
160
24
Tensor Cores
432
-
L1 Cache
192 KB (per SM)
16 KB (per SMX)
L2 Cache
40 MB
384 KB
Theoretical Performance
Pixel Rate
225.6 GPixel/s
20.64 GPixel/s
Texture Rate
609.1 GTexel/s
82.56 GTexel/s
FP16 (half)
77.97 TFLOPS
-
FP32 (float)
19.49 TFLOPS
1.981 TFLOPS
FP64 (double)
9.746 TFLOPS
82.56 GFLOPS
Graphics Processor
GPU Name
GA100
GK104
Architecture
Ampere
Kepler
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
54.2 billion
3.54 billion
Die Size
826 mm²
294 mm²
Board Design
TDP
400W
140W
Suggested PSU
800 W
300 W
Outputs
No outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
None
1x 6-pin
Graphics Features
DirectX
N/A
12 (11_0)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.1
CUDA
8.0
3.0
Shader Model
N/A
5.1