GeForce GTX 660 Ti and Radeon RX 580 2048SP - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs Radeon RX 580 2048SP
GeForce GTX 660 Ti
4547
Radeon RX 580 2048SP
7930
GeForce GTX 660 Ti
Radeon RX 580 2048SP
Architecture
Kepler (2012−2018)
GCN 4.0 (2016−2020)
GPU code name
GK104
Polaris 20
Market segment
Desktop
Desktop
Release date
August 2012
October 2018
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
Two 6-pin
1x 8-pin
SLI options
+
-
Boost clock speed
980 MHz
1284 MHz
Core clock speed
915 MHz
1168 MHz
CUDA cores
1344
-
Floating-point performance
2,459.5 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
3,540 million
5,700 million
Pipelines / CUDA cores
1344
2048
Power consumption (TDP)
150 Watt
150 Watt
Texture fill rate
102.5 billion/sec
164.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
192-bit GDDR5
256 Bit
Memory clock speed
6.0 GB/s
7000 MHz
Memory bandwidth
144.2 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
Multi monitor support
4 displays
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.2
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-