
Radeon HD 6450 GDDR5 and Quadro NVS 420 - video card comparison
Radeon HD 6450 GDDR5
Quadro NVS 420
Architecture
Terascale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Caicos
G98
Market segment
Desktop
Workstation
Release date
April 2011
January 2009
Interface
-
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
750 MHz
550 MHz
Floating-point performance
-
2x 22.4 gflops
Manufacturing process technology
40 nm
65 nm
Number of transistors
-
210 million
Pipelines / CUDA cores
160
8
Power consumption (TDP)
27 Watt
40 Watt
Texture fill rate
-
4.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
900 MHz
1400 MHz
Memory bandwidth
-
11.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
11
11.1 (10_0)
CUDA
-
1.1
OpenCL
-
1.1
OpenGL
-
3.3
Shader Model
-
4.0
Vulkan
-
N/A