Radeon HD 8690M vs GeForce GT 640M Mac

Radeon HD 8690M
GeForce GT 640M Mac
384 Shaders
1GB GDDR5
825MHz
384 Shaders
512MB GDDR5
625MHz
FP32
0.63 TFLOPS
FP32
0.48 TFLOPS
-
-
-
-
Form Factor
Soldered
-
Form Factor
Soldered
-
TDP
25W
TDP
32W
-
-
-
-
-
-
-
-
-
-
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
GCN 1
Architecture
Kepler
Family
Radeon HD 8000
Family
GeForce 600
Codename
Hainan
-
Variant
Sun XT
Codename
NVE7
GK107
Variant
N13P-GS
Market Segment
Laptop
Market Segment
Laptop
Release Date
1/8/2013
Release Date
3/22/2012
Foundry
TSMC
-
Foundry
TSMC
-
Fabrication Node
28nm
-
Fabrication Node
28nm
-
Die Size
56 mm²
-
Die Size
118 mm²
-
Transistor Count
690 Million
-
Transistor Count
1.3 Billion
-
Transistor Density
12.32M/mm²
-
Transistor Density
10.76M/mm²
-
Form
Soldered
Form
Soldered
Shading Units
384 Shaders
-
Shading Units
384 Shaders
-
Texture Mapping Units
24 TMUs
Texture Mapping Units
32 TMUs
Render Output Units
8 ROPs
Render Output Units
16 ROPs
-
-
-
-
-
-
-
-
-
-
Streaming Multiprocessors
2 SMs
Compute Units
6 CUs
-
-
-
-
-
-
-
-
-
-
-
-
775MHz Base
825MHz
-
-
-
625MHz
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
FP32
0.63 TFLOPS
FP32
0.48 TFLOPS
-
-
-
-
FP64
0.04 TFLOPS
-
FP64
0.02 TFLOPS
-
-
-
-
-
-
-
-
-
-
-
Pixel Fillrate
6.6 GPixel/s
Pixel Fillrate
10 GPixel/s
-
-
-
-
Texture Fillrate
19.8 GTexel/s
Texture Fillrate
20 GTexel/s
-
-
-
-
L1
-
-
16KB/CU
-
L1
48KB/SM Tex
16KB/SM
-
-
L2
128KB Shared
L2
256KB Shared
-
-
-
-
-
-
1GB
GDDR5
-
512MB
GDDR5
-
Bus Width
64Bit
Bus Width
128Bit
Clock
1125MHz
Transfer Rate
4.5GT/s
Bandwidth
36GB/s
Clock
1000MHz
Transfer Rate
4GT/s
Bandwidth
64GB/s
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TDP
25W
TDP
32W
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
No Ports
Max Resolution
4096x2160
Max Resolution
4096x2304
Max Resolution Refresh Rate
60Hz
Max Resolution Refresh Rate
60Hz
Variable Refresh Rate
-
-
-
Variable Refresh Rate
G-Sync
FreeSync
-
Display Stream Compression (DSC)
Not Supported
Display Stream Compression (DSC)
Not Supported
Multi Monitor Support
3
Multi Monitor Support
3
Content Protection
HDCP 1.4
-
-
No Encoders
-
Model
NVENC 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Codec
-
-
-
-
-
-
-
-
AVC (H.264)
-
-
-
-
-
No Decoders
Model
NVDEC 1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Codec
MPEG-1
MPEG-2
MPEG-4
-
VC-1
-
-
-
AVC (H.264)
-
-
-
-
-
Direct X
12
Direct 3D
11_1
Direct X
12
Direct 3D
11_0
OpenGL
4.6
OpenCL
2.1
Vulkan
1.2
OpenGL
4.6
OpenCL
3.0
Vulkan
1.2
Shader Model
6.5
-
-
GFX
6
-
-
-
-
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
Not a Card
-
-
-
Not a Card
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PCIe Version
3.0
PCIe Lanes
8
-
-
PCIe Version
3.0
PCIe Lanes
16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Change Results