Radeon HD 7490M vs Radeon HD 6490M Mac

Radeon HD 7490M
Radeon HD 6490M Mac
160 Shaders
1GB GDDR5
800MHz
160 Shaders
256MB GDDR5
750MHz
FP32
0.26 TFLOPS
FP32
0.24 TFLOPS
-
-
-
-
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
9W
TDP
25W
-
-
-
-
-
-
-
-
-
-
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
AMD
Chip Designer
AMD
Chip Designer
AMD
Architecture
TeraScale 2
Architecture
TeraScale 2
Family
Radeon HD 7000
Family
Radeon HD 6000
Codename
Caicos
RV910
Variant
Seymour XTX
Codename
Caicos
RV910
Variant
Seymour XT
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/7/2012
Release Date
1/4/2011
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
Soldered
Form
Soldered
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
-
-
-
-
-
-
-
-
-
-
-
800MHz
-
-
-
750MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
0.26 TFLOPS
FP32
0.24 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
3.2 GPixel/s
Pixel Fillrate
3 GPixel/s
-
-
-
-
Texture Fillrate
6.4 GTexel/s
Texture Fillrate
6 GTexel/s
-
-
-
-
L1
-
-
8KB/CU
-
L1
-
-
8KB/CU
-
L2
128KB Shared
L2
128KB Shared
-
-
-
-
-
-
1GB
GDDR5
-
256MB
GDDR5
-
Bus Width
64Bit
Bus Width
64Bit
Clock
950MHz
Transfer Rate
3.8GT/s
Bandwidth
30.4GB/s
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
25.4GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
9W
TDP
25W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
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_1
Direct X
11
Direct 3D
11_1
OpenGL
4.5
OpenCL
1.2
-
-
OpenGL
4.5
OpenCL
1.2
-
-
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Shader Model
5.0
-
-
GFX
4
-
-
-
-
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
2.1
PCIe Lanes
16
-
-
PCIe Version
2.1
PCIe Lanes
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Change Results