GeForce GT 640M Mac vs Radeon HD 6630M Mac

GeForce GT 640M Mac
Radeon HD 6630M Mac
384 Shaders
512MB GDDR5
625MHz
480 Shaders
256MB GDDR5
500MHz
FP32
0.48 TFLOPS
FP32
0.48 TFLOPS
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Form Factor
Soldered
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Form Factor
Soldered
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TDP
32W
TDP
35W
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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
TeraScale 2
Family
GeForce 600
Family
Radeon HD 6000
Codename
NVE7
GK107
Variant
N13P-GS
Codename
Turks
RV930
Variant
Whistler LP
Market Segment
Laptop
Market Segment
Laptop
Release Date
3/22/2012
Release Date
1/4/2011
Foundry
TSMC
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Foundry
TSMC
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Fabrication Node
28nm
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Fabrication Node
40nm
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Die Size
118 mm²
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Die Size
118 mm²
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Transistor Count
1.3 Billion
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Transistor Count
716 Million
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Transistor Density
10.76M/mm²
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Transistor Density
6.07M/mm²
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Form
Soldered
Form
Soldered
Shading Units
384 Shaders
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Shading Units
480 Shaders
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Texture Mapping Units
32 TMUs
Texture Mapping Units
24 TMUs
Render Output Units
16 ROPs
Render Output Units
8 ROPs
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Streaming Multiprocessors
2 SMs
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Compute Units
6 CUs
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625MHz
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500MHz
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FP32
0.48 TFLOPS
FP32
0.48 TFLOPS
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FP64
0.02 TFLOPS
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Pixel Fillrate
10 GPixel/s
Pixel Fillrate
4 GPixel/s
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Texture Fillrate
20 GTexel/s
Texture Fillrate
12 GTexel/s
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L1
48KB/SM Tex
16KB/SM
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L1
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8KB/CU
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L2
256KB Shared
L2
256KB Shared
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512MB
GDDR5
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256MB
GDDR5
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Bus Width
128Bit
Bus Width
64Bit
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
Clock
600MHz
Transfer Rate
2.4GT/s
Bandwidth
19.2GB/s
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TDP
32W
TDP
35W
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No Ports
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No Ports
Max Resolution
4096x2304
Max Resolution
2560x1600
Max Resolution Refresh Rate
60Hz
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
3
Multi Monitor Support
2
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Model
NVENC 1
No Encoders
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Codec
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AVC (H.264)
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Model
NVDEC 1
Model
UVD 3.0
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
11
Direct 3D
11_0
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
OpenGL
4.5
OpenCL
1.2
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Shader Model
6.5
CUDA
3.0
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PureVideo HD
VP5
VDPAU
Feature Set D
Shader Model
5.0
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GFX
4
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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
2.1
PCIe Lanes
16
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Change Results