
Fiji and GeForce GTX 660 - video card comparison
Fiji
GeForce GTX 660
Architecture
GCN 3.0 (2014−2017)
Kepler (2012−2018)
GPU code name
Fiji
GK106
Market segment
Desktop
Desktop
Release date
-
September 2012
Bus support
-
PCI Express 3.0
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
One 6-pin
SLI options
-
+
Boost clock speed
-
1033 MHz
Core clock speed
-
980 MHz
CUDA cores
-
960
Floating-point performance
-
1,981 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
8,900 million
2,540 million
Pipelines / CUDA cores
4096
960
Power consumption (TDP)
-
140 Watt
Texture fill rate
-
78.4 billion/sec
Memory type
-
GDDR5
Maximum RAM amount
-
2 GB
Memory bus width
-
192-bit GDDR5
Memory clock speed
-
6.0 GB/s
Memory bandwidth
-
144.2 GB/s
Display Connectors
-
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.1
1.2
OpenGL
4.6
4.3
Shader Model
6.5
5.1
Vulkan
1.2.170
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+