GeForce GT 545 and Radeon HD 6450 OEM - video card comparison
GeForce GT 545
Radeon HD 6450 OEM
Architecture
Fermi 2.0 (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF116
Caicos
Market segment
Desktop
Desktop
Release date
May 2011
February 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
720 MHz
625 MHz
Floating-point performance
414.7 gflops
200 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
370 million
Pipelines / CUDA cores
144
160
Power consumption (TDP)
70 Watt
18 Watt
Texture fill rate
17.28
5.000
Memory type
DDR3
GDDR3
Maximum RAM amount
1536 MB
512 MB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1600 MHz
1066 MHz
Memory bandwidth
38.4 GB/s
8.528 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