GeForce GTX 660M Mac vs Radeon HD 8830M

GeForce GTX 660M Mac
Radeon HD 8830M
384 Shaders
512MB GDDR5
950MHz
640 Shaders
2GB DDR3
625MHz
FP32
0.73 TFLOPS
FP32
0.8 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
50W
TDP
45W
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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
NVIDIA
Manufacturer
AMD
Chip Designer
NVIDIA
Chip Designer
AMD
Architecture
Kepler
Architecture
GCN 1
Family
GeForce 600
Family
Radeon HD 8000
Codename
NVE7
GK107
Variant
N13E-GE
Codename
Cape Verde
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Variant
Venus LE
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/22/2012
Release Date
1/8/2013
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
28nm
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Die Size
118 mm²
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Die Size
123 mm²
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Transistor Count
1.3 Billion
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Transistor Count
1.5 Billion
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Transistor Density
10.76M/mm²
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Transistor Density
12.20M/mm²
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Form
Soldered
Form
Soldered
Shading Units
384 Shaders
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Shading Units
640 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
40 TMUs
Render Output Units
16 ROPs
Render Output Units
16 ROPs
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Streaming Multiprocessors
2 SMs
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Compute Units
10 CUs
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950MHz
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575MHz Base
625MHz
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FP32
0.73 TFLOPS
FP32
0.8 TFLOPS
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FP64
0.03 TFLOPS
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FP64
0.05 TFLOPS
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Pixel Fillrate
15.2 GPixel/s
Pixel Fillrate
10 GPixel/s
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Texture Fillrate
30.4 GTexel/s
Texture Fillrate
25 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
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16KB/CU
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L2
256KB Shared
L2
256KB Shared
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512MB
GDDR5
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2GB
DDR3
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Bus Width
128Bit
Bus Width
128Bit
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
Clock
1000MHz
Transfer Rate
2GT/s
Bandwidth
32GB/s
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TDP
50W
TDP
45W
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No Ports
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No Ports
Max Resolution
4096x2304
Max Resolution
4096x2160
Max Resolution Refresh Rate
30Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
G-Sync
FreeSync
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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
3
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Model
NVENC 1
Model
VCE 1.0
Codec
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AVC (H.264)
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 4.0
Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Codec
MPEG-1
MPEG-2
MPEG-4
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VC-1
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AVC (H.264)
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Direct X
12
Direct 3D
11_0
Direct X
12
Direct 3D
11_1
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
6.5
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GFX
6
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Not a Card
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Not a Card
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PCIe Version
3.0
PCIe Lanes
16
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PCIe Version
3.0
PCIe Lanes
16
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Change Results