GeForce GTX 660 and Radeon HD 8550G - video card comparison
Passmark - benchmark score GeForce GTX 660 vs Radeon HD 8550G
GeForce GTX 660
4119
Radeon HD 8550G
422
GeForce GTX 660
Radeon HD 8550G
Architecture
Kepler (2012−2018)
Terascale 3 (2010−2013)
GPU code name
GK106
Richland
Market segment
Desktop
Laptop
Release date
September 2012
March 2013
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
One 6-pin
-
SLI options
+
-
Boost clock speed
1033 MHz
720 MHz
Core clock speed
980 MHz
515 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
2,540 million
1,303 million
Pipelines / CUDA cores
960
256
Power consumption (TDP)
140 Watt
35 Watt
Texture fill rate
78.4 billion/sec
11.52
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
192-bit GDDR5
System Shared
Memory clock speed
6.0 GB/s
System Shared
Memory bandwidth
144.2 GB/s
-
Shared memory
-
+
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
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
+
-