AMD Radeon HD 8490 vs AMD Radeon HD 7470
AMD Radeon HD 8490
AMD Radeon HD 7470
|
160 Shaders
1GB GDDR5
875MHz
|
160 Shaders
1GB GDDR5
625MHz
|
|
Peak AI Performance
280 GFLOPS
FP32
|
Peak AI Performance
200 GFLOPS
FP32
|
|
FP32
280 GFLOPS
|
FP32
200 GFLOPS
|
|
Form Factor
PCIe Card
1.0-Slots
|
Form Factor
PCIe Card
1.0-Slots
|
|
TDP
35W
|
TDP
27W
|
Peak AI Performance
|
|
Radeon HD 8490 - 280 GFLOPS FP32
x1.4
Radeon HD 7470 - 200 GFLOPS FP32
x1
FP32
|
|
Radeon HD 8490 - 280 GFLOPS FP32
x1.4
Radeon HD 7470 - 200 GFLOPS FP32
x1
|
|
Radeon HD 8490 - 28.8GB/s
x1.13
Radeon HD 7470 - 25.6GB/s
x1
|
|
Radeon HD 8490 - 35W
x1.3
Radeon HD 7470 - 27W
x1
|
|
Radeon HD 8490 - GB6 OpenCL 890
x1.13
Radeon HD 7470 - GB6 OpenCL 790
x1
|
Manufacturer
AMD
|
Manufacturer
AMD
|
|
Chip Designer
AMD
|
Chip Designer
AMD
|
|
Architecture
TeraScale 2
|
Architecture
TeraScale 2
|
|
Family
Radeon HD 8000
|
Family
Radeon HD 7000
|
|
Codename
Caicos
RV910
Variant
Caicos XTX
|
Codename
Caicos
RV910
Variant
Caicos Pro
|
|
Market Segment
Desktop
|
Market Segment
Desktop
|
|
Release Date
7/23/2013
|
Release Date
1/1/2012
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
40nm
|
Fabrication Node
40nm
|
|
Die Size
67 mm²
|
Die Size
67 mm²
|
|
Transistor Count
370 Million
|
Transistor Count
370 Million
|
|
Transistor Density
5.52M/mm²
|
Transistor Density
5.52M/mm²
|
|
Form
PCIe Card
|
Form
PCIe Card
|
|
Shading Units
160 Shaders
|
Shading Units
160 Shaders
|
|
Texture Mapping Units
8 TMUs
|
Texture Mapping Units
8 TMUs
|
|
Render Output Units
4 ROPs
|
Render Output Units
4 ROPs
|
|
Compute Units
2 CUs
|
Compute Units
2 CUs
|
|
875MHz
|
625MHz
|
|
Peak AI Performance
280 GFLOPS
FP32
|
Peak AI Performance
200 GFLOPS
FP32
|
|
FP32
280 GFLOPS
|
FP32
200 GFLOPS
|
|
Pixel Fillrate
3.5 GPixel/s
|
Pixel Fillrate
2.5 GPixel/s
|
|
Texture Fillrate
7 GTexel/s
|
Texture Fillrate
5 GTexel/s
|
|
L1
8KB/CU
|
L1
8KB/CU
|
|
L2
128KB Shared
|
L2
128KB Shared
|
|
1GB
GDDR5
|
1GB
GDDR5
|
|
Bus Width
64Bit
|
Bus Width
64Bit
|
|
Clock
900MHz
Transfer Rate
3.6GT/s
Bandwidth
28.8GB/s
|
Clock
800MHz
Transfer Rate
3.2GT/s
Bandwidth
25.6GB/s
|
|
TDP
35W
|
TDP
27W
|
|
1x VGA
1x DVI-I Dual-Link
1x HDMI 1.3
|
1x VGA
1x DVI-I Dual-Link
1x HDMI 1.3
|
|
Max Resolution
2560x1600
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
|
Variable Refresh Rate
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
2
|
|
No Encoders
|
No Encoders
|
|
Model
UVD 3.0
|
Model
UVD 3.0
|
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
Codec
MPEG-1
MPEG-2
MPEG-4
VC-1
AVC (H.264)
|
|
Direct X
11
Direct 3D
11_4
|
Direct X
11
Direct 3D
11_0
|
|
OpenGL
4.5
OpenCL
1.2
|
OpenGL
4.5
OpenCL
1.2
|
|
Shader Model
5.0
GFX
4
|
Shader Model
5.0
GFX
4
|
|
1x Fan
|
1x Fan
|
|
Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
|
Slots Required
1.0
PCIe Version
2.1
PCIe Lanes
16
|
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