Product Compare

NVIDIA GeForce RTX 3060 vs NVIDIA GeForce GTX 660 Rev. 2

GPU GPU
Graphics Card
Release Date Jan 2021 Sep 2014
Generation GeForce 30 GeForce 600
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 1320 MHz 980 MHz
Boost Clock 1777 MHz 1032 MHz
Memory Clock 1875 MHz 1502 MHz
Memory
Memory Size 12GB 2GB
Memory Type GDDR6 GDDR5
Memory Bus 192bit 192bit
Bandwidth 360.0GB/s 144.2GB/s
Render Config
SM Count 28
Shading Units 3584 960
TMUs 112 80
ROPs 48 24
Tensor Cores 112
RT Cores 28
L1 Cache 128 KB (per SM) 16 KB (per SMX)
L2 Cache 3 MB 384 KB
Theoretical Performance
Pixel Rate 85.30 GPixel/s 20.64 GPixel/s
Texture Rate 199.0 GTexel/s 82.56 GTexel/s
FP16 (half) 12.74 TFLOPS
FP32 (float) 12.74 TFLOPS 1.981 TFLOPS
FP64 (double) 199.0 GFLOPS 82.56 GFLOPS
Graphics Processor
GPU Name GA106 GK104
GPU Variant GA106-300-A1
Architecture Ampere Kepler
Foundry Samsung TSMC
Process Size 8 nm 28 nm
Transistors 12 billion 3.54 billion
Die Size 276 mm² 294 mm²
Board Design
TDP 170W 140W
Suggested PSU 450 W 300 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors 1x 12-pin 1x 6-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.1
CUDA 8.6 3.0
Shader Model 6.6 5.1