Radeon HD 6390 vs GeForce GT 620 2SM

Radeon HD 6390
GeForce GT 620 2SM
320 Shaders
512MB DDR2
550MHz
96 Shaders
1GB DDR3
700MHz
FP32
0.35 TFLOPS
FP32
0.27 TFLOPS
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Form Factor
PCIe Card
1.0-Slots
Form Factor
PCIe Card
1.0-Slots
TDP
39W
TDP
49W
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GB5 OpenCL - N/A
0%
GB5 OpenCL - N/A
0%
GB5 CUDA - N/A
0%
GB5 CUDA - N/A
0%
GB5 Metal - N/A
0%
GB5 Metal - N/A
0%
GB5 Vulkan - N/A
0%
GB5 Vulkan - N/A
0%
OCT 2020.1 - N/A
0%
OCT 2020.1 - N/A
0%
OCT Metal - N/A
0%
OCT Metal - N/A
0%
Manufacturer
AMD
Manufacturer
NVIDIA
Chip Designer
AMD
Chip Designer
NVIDIA
Architecture
TeraScale 2
Architecture
Fermi
Family
Radeon HD 6000
Family
GeForce 600
Codename
Redwood
RV830
Variant
Redwood Pro
Codename
NVC1
GF108
Variant
GF108-100-KB-A1
Market Segment
Desktop
Market Segment
Desktop
Release Date
7/4/2011
Release Date
5/15/2012
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
40nm
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Fabrication Node
40nm
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Die Size
104 mm²
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Die Size
116 mm²
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Transistor Count
627 Million
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Transistor Count
585 Million
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Transistor Density
6.03M/mm²
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Transistor Density
5.04M/mm²
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Form
PCIe Card
Form
PCIe Card
Shading Units
320 Shaders
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Shading Units
96 Shaders
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Texture Mapping Units
16 TMUs
Texture Mapping Units
16 TMUs
Render Output Units
8 ROPs
Render Output Units
4 ROPs
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Streaming Multiprocessors
2 SMs
Compute Units
4 CUs
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550MHz
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1400MHz Shader
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700MHz
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FP32
0.35 TFLOPS
FP32
0.27 TFLOPS
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FP64
0.02 TFLOPS
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Pixel Fillrate
4.4 GPixel/s
Pixel Fillrate
2.8 GPixel/s
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Texture Fillrate
8.8 GTexel/s
Texture Fillrate
11.2 GTexel/s
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L1
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8KB/CU
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L1
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64KB/SM
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L2
256KB Shared
L2
256KB Shared
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512MB
DDR2
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1GB
DDR3
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Bus Width
128Bit
Bus Width
64Bit
Clock
500MHz
Transfer Rate
1GT/s
Bandwidth
16GB/s
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
16GB/s
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TDP
39W
TDP
49W
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.3
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1x VGA
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1x DVI-I Dual-Link
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1x HDMI 1.3
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Max Resolution
2560x1600
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
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Variable Refresh Rate
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Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
2
Multi Monitor Support
2
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No Encoders
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No Encoders
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Model
UVD 2.2
No Decoders
Codec
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VC-1
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AVC (H.264)
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Direct X
11
Direct 3D
11_0
Direct X
12
Direct 3D
11_0
OpenGL
4.5
OpenCL
1.2
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OpenGL
4.6
OpenCL
1.1
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Shader Model
5.0
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GFX
4
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Shader Model
5.1
CUDA
2.1
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PureVideo HD
VP4
VDPAU
Feature Set C
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1x Fan
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Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
Slots Required
1.0
PCIe Version
2.0
PCIe Lanes
16
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Height
69 mm (2.72 in)
Width
145 mm (5.71 in)
Depth
20 mm (0.79 in)
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