Radeon HD 6450 GDDR5 and GeForce GT 545 OEM - video card comparison
Radeon HD 6450 GDDR5
GeForce GT 545 OEM
Architecture
Terascale 2 (2009−2015)
Fermi 2.0 (2010−2014)
GPU code name
Caicos
GF116
Market segment
Desktop
Desktop
Release date
April 2011
May 2011
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
750 MHz
871 MHz
Floating-point performance
-
501.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
-
1,170 million
Pipelines / CUDA cores
160
144
Power consumption (TDP)
27 Watt
105 Watt
Texture fill rate
-
20.90
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
900 MHz
4000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
11
12 (11_0)
CUDA
-
2.1
OpenCL
-
1.1
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
N/A