GeForce GTX 745 OEM and Radeon Sky 500 - video card comparison
GeForce GTX 745 OEM
Radeon Sky 500
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM107
Pitcairn
Market segment
Desktop
Desktop
Release date
February 2014
March 2013
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
1033 MHz
950 MHz
Floating-point performance
793.3 gflops
2,432 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,870 million
2,800 million
Pipelines / CUDA cores
384
1280
Power consumption (TDP)
55 Watt
150 Watt
Texture fill rate
24.79
76.00
Memory type
DDR3
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1800 MHz
4800 MHz
Memory bandwidth
28.8 GB/s
154 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DisplayPort
DisplayPort count
-
1
Dual-link DVI support
-
1
HDMI
+
-
DirectX
12 (11_0)
12 (11_1)
CUDA
5.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2.131