Product Compare

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA RTX A5000

GPU GPU
Graphics Card
Release Date Sep 2014 Apr 2021
Generation GeForce 600 Quadro Ampere
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 980 MHz 1170 MHz
Boost Clock 1032 MHz 1695 MHz
Memory Clock 1502 MHz 2000 MHz
Memory
Memory Size 2GB 24GB
Memory Type GDDR5 GDDR6
Memory Bus 192bit 384bit
Bandwidth 144.2GB/s 768.0GB/s
Render Config
Shading Units 960 8192
TMUs 80 256
ROPs 24 96
L1 Cache 16 KB (per SMX) 128 KB (per SM)
L2 Cache 384 KB 6 MB
SM Count 64
Tensor Cores 256
RT Cores 64
Theoretical Performance
Pixel Rate 20.64 GPixel/s 162.7 GPixel/s
Texture Rate 82.56 GTexel/s 433.9 GTexel/s
FP32 (float) 1.981 TFLOPS 27.77 TFLOPS
FP64 (double) 82.56 GFLOPS 433.9 GFLOPS
FP16 (half) 27.77 TFLOPS
Graphics Processor
GPU Name GK104 GA102
Architecture Kepler Ampere
Foundry TSMC Samsung
Process Size 28 nm 8 nm
Transistors 3.54 billion 28.3 billion
Die Size 294 mm² 628 mm²
Board Design
TDP 140W 230W
Suggested PSU 300 W 550 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 4x DisplayPort 1.4a
Power Connectors 1x 6-pin 1x 8-pin
Graphics Features
DirectX 12 (11_0) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.1 1.3
CUDA 3.0 8.6
Shader Model 5.1 6.7