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Radeon HD 6550D and Quadro K420 - video card comparison


Passmark - benchmark score Radeon HD 6550D vs Quadro K420

Radeon HD 6550D
412
Quadro K420
768

Radeon HD 6550D

Quadro K420


Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)

GPU code name
Llano
GK107

Market segment
Desktop
Workstation

Release date
June 2011
July 2014

Interface
IGP
PCIe 2.0 x16

Supplementary power connectors
-
None

Core clock speed
600 MHz
876 MHz

Floating-point performance
-
336.4 gflops

Manufacturing process technology
32 nm
28 nm

Number of transistors
1000 Million
1,270 million

Pipelines / CUDA cores
400
192

Power consumption (TDP)
65 Watt
41 Watt

Texture fill rate
12.00
14.02

Memory type
System Shared
128 Bit

Maximum RAM amount
System Shared
1 GB/2 GB

Memory bus width
System Shared
128 Bit

Memory clock speed
System Shared
1782 MHz

Memory bandwidth
-
Up to 29 GB/s

Shared memory
+
-

Display Connectors
No outputs
DVI-I DP

Number of simultaneous displays
-
4

DirectX
11.2 (11_0)
12

CUDA
-
3.0

OpenCL
1.2
1.2

OpenGL
4.4
4.5

Shader Model
5.0
5

Vulkan
N/A
+

3D Vision Pro
-
+

Mosaic
-
+

nView Desktop Management
-
+