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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