Product Compare

NVIDIA GeForce GTX 660 Rev. 2 vs NVIDIA CMP 90HX

GPU GPU
Graphics Card
Release Date Sep 2014 Jul 2021
Generation GeForce 600 Mining GPUs
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 1.0 x4
Clock Speeds
Base Clock 980 MHz 1500 MHz
Boost Clock 1032 MHz 1710 MHz
Memory Clock 1502 MHz 1188 MHz
Memory
Memory Size 2GB 10GB
Memory Type GDDR5 GDDR6X
Memory Bus 192bit 320bit
Bandwidth 144.2GB/s 760.3GB/s
Render Config
Shading Units 960 6400
TMUs 80 200
ROPs 24 80
L1 Cache 16 KB (per SMX) 128 KB (per SM)
L2 Cache 384 KB 5 MB
SM Count 50
Tensor Cores 200
RT Cores 50
Theoretical Performance
Pixel Rate 20.64 GPixel/s 136.8 GPixel/s
Texture Rate 82.56 GTexel/s 342.0 GTexel/s
FP32 (float) 1.981 TFLOPS 21.89 TFLOPS
FP64 (double) 82.56 GFLOPS 342.0 GFLOPS
FP16 (half) 21.89 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
GPU Variant GA102-100-A1
Board Design
TDP 140W 320W
Suggested PSU 300 W 700 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin 2x 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 6.8