Product Compare

NVIDIA GeForce GTX 660 Ti vs NVIDIA Quadro RTX 4000 Mobile

GPU GPU
Graphics Card
Release Date Aug 2012 May 2019
Generation GeForce 600 Quadro Mobile
Type Desktop Professional
Bus Interface PCIe 3.0 x16 PCIe 3.0 x16
Clock Speeds
Base Clock 915 MHz 1110 MHz
Boost Clock 980 MHz 1560 MHz
Memory Clock 1502 MHz 1750 MHz
Memory
Memory Size 2GB 8GB
Memory Type GDDR5 GDDR6
Memory Bus 192bit 256bit
Bandwidth 144.2GB/s 448.0GB/s
Render Config
Shading Units 1344 2560
TMUs 112 160
ROPs 24 64
L1 Cache 16 KB (per SMX) 64 KB (per SM)
L2 Cache 384 KB 4 MB
SM Count 40
Tensor Cores 320
RT Cores 40
Theoretical Performance
Pixel Rate 27.44 GPixel/s 99.84 GPixel/s
Texture Rate 109.8 GTexel/s 249.6 GTexel/s
FP32 (float) 2.634 TFLOPS 7.987 TFLOPS
FP64 (double) 109.8 GFLOPS 249.6 GFLOPS
FP16 (half) 15.97 TFLOPS
Graphics Processor
GPU Name GK104 TU104
GPU Variant GK104-300-KD-A2 N19E-Q3-A1
Architecture Kepler Turing
Foundry TSMC TSMC
Process Size 28 nm 12 nm
Transistors 3.54 billion 13.6 billion
Die Size 294 mm² 545 mm²
Board Design
TDP 150W 110W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.4a1x DisplayPort 1.2 No outputs
Power Connectors 2x 6-pin None
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 7.5
Shader Model 5.1 6.6