NVIDIA GeForce GTX 650 Ti Boost vs NVIDIA GeForce GTX 660 Ti
GPU Specs Compare
Graphics Card
Release Date
Mar 2013
Aug 2012
Generation
GeForce 600
GeForce 600
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
980 MHz
915 MHz
Boost Clock
1032 MHz
980 MHz
Memory Clock
1502 MHz
1502 MHz
Memory
Memory Size
2GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
192bit
Bandwidth
144.2GB/s
144.2GB/s
Render Config
Shading Units
768
1344
TMUs
64
112
ROPs
24
24
L1 Cache
16 KB (per SMX)
16 KB (per SMX)
L2 Cache
384 KB
384 KB
Theoretical Performance
Pixel Rate
16.51 GPixel/s
27.44 GPixel/s
Texture Rate
66.05 GTexel/s
109.8 GTexel/s
FP32 (float)
1.585 TFLOPS
2.634 TFLOPS
FP64 (double)
66.05 GFLOPS
109.8 GFLOPS
Graphics Processor
GPU Name
GK106
GK104
GPU Variant
GK106-240-A1
GK104-300-KD-A2
Architecture
Kepler
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.54 billion
3.54 billion
Die Size
221 mm²
294 mm²
Board Design
TDP
134W
150W
Suggested PSU
300 W
450 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
Power Connectors
1x 6-pin
2x 6-pin
Graphics Features
DirectX
12 (11_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.1
CUDA
3.0
3.0
Shader Model
5.1
5.1