GeForce GT 545 and Radeon HD 6390 - video card comparison
GeForce GT 545
Radeon HD 6390
Architecture
Fermi 2.0 (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF116
Redwood
Market segment
Desktop
Desktop
Release date
May 2011
July 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
720 MHz
550 MHz
Floating-point performance
414.7 gflops
352.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
627 million
Pipelines / CUDA cores
144
320
Power consumption (TDP)
70 Watt
39 Watt
Texture fill rate
17.28
8.800
Memory type
DDR3
DDR2
Maximum RAM amount
1536 MB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
1600 MHz
1000 MHz
Memory bandwidth
38.4 GB/s
16 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_0)
11.2 (11_0)
CUDA
2.1
-
OpenCL
1.1
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A