GeForce GTX 660 Ti and Radeon Sky 500 - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs Radeon Sky 500
GeForce GTX 660 Ti
4547
Radeon Sky 500
4906
GeForce GTX 660 Ti
Radeon Sky 500
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK104
Pitcairn
Market segment
Desktop
Desktop
Release date
August 2012
March 2013
Bus support
PCI Express 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1x 6-pin
SLI options
+
-
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
950 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
2,432 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
2,800 million
Pipelines / CUDA cores
1344
1280
Power consumption (TDP)
150 Watt
150 Watt
Texture fill rate
102.5 billion/sec
76.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
4800 MHz
Memory bandwidth
144.2 GB/s
154 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DisplayPort
Multi monitor support
4 displays
-
DisplayPort count
-
1
Dual-link DVI support
-
1
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_1)
CUDA
+
-
OpenCL
1.2
1.2
OpenGL
4.3
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-