NVIDIA TITAN RTX vs NVIDIA GeForce GTX 660 Ti
GPU Specs Compare
Graphics Card
Release Date
Dec 2018
Aug 2012
Generation
GeForce 20
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1350 MHz
915 MHz
Boost Clock
1770 MHz
980 MHz
Memory Clock
1750 MHz
1502 MHz
Memory
Memory Size
24GB
2GB
Memory Type
GDDR6
GDDR5
Memory Bus
384bit
192bit
Bandwidth
672.0GB/s
144.2GB/s
Render Config
SM Count
72
-
Shading Units
4608
1344
TMUs
288
112
ROPs
96
24
Tensor Cores
576
-
RT Cores
72
-
L1 Cache
64 KB (per SM)
16 KB (per SMX)
L2 Cache
6 MB
384 KB
Theoretical Performance
Pixel Rate
169.9 GPixel/s
27.44 GPixel/s
Texture Rate
509.8 GTexel/s
109.8 GTexel/s
FP16 (half)
32.62 TFLOPS
-
FP32 (float)
16.31 TFLOPS
2.634 TFLOPS
FP64 (double)
509.8 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
TU102
GK104
GPU Variant
TU102-400-A1
GK104-300-KD-A2
Architecture
Turing
Kepler
Foundry
TSMC
TSMC
Process Size
12 nm
28 nm
Transistors
18.6 billion
3.54 billion
Die Size
754 mm²
294 mm²
Board Design
TDP
280W
150W
Suggested PSU
600 W
450 W
Outputs
1x HDMI 2.03x DisplayPort 1.4a1x USB Type-C
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
2x 8-pin
2x 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
7.5
3.0
Shader Model
6.6
5.1