
GeForce GTX 660 and FirePro V3900 - video card comparison
Passmark - benchmark score GeForce GTX 660 vs FirePro V3900
GeForce GTX 660
4119
FirePro V3900
660
GeForce GTX 660
FirePro V3900
Architecture
Kepler (2012−2018)
TeraScale 2 (2009−2015)
GPU code name
GK106
Turks
Market segment
Desktop
Workstation
Release date
September 2012
February 2012
Bus support
PCI Express 3.0
PCIe 2.1 x16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
650 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
624.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,540 million
716 million
Pipelines / CUDA cores
960
480
Power consumption (TDP)
140 Watt
199 Watt
Texture fill rate
78.4 billion/sec
15.60
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
1800 MHz
Memory bandwidth
144.2 GB/s
28 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x DisplayPort
Multi monitor support
4 displays
-
DisplayPort count
-
1
Dual-link DVI support
-
1
HD сomponent video output
-
1
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-