NVIDIA GeForce GTX 680MX Mac vs AMD Radeon R9 M290X
NVIDIA GeForce GTX 680MX Mac
AMD Radeon R9 M290X
|
1536 Shaders
2GB GDDR5
719MHz
|
1280 Shaders
4GB GDDR5
900MHz
|
|
Peak AI Performance
2.21 TOPS
INT32
|
Peak AI Performance
2.3 TFLOPS
FP32
|
|
FP32
2.21 TFLOPS
|
FP32
2.3 TFLOPS
|
|
Form Factor
Soldered
|
Form Factor
Soldered
|
|
TDP
122W
|
TDP
100W
|
Peak AI Performance
|
|
GeForce GTX 680MX Mac - 2.21 TOPS INT32
x1
Radeon R9 M290X - 2.3 TFLOPS FP32
x1.04
FP32
|
|
GeForce GTX 680MX Mac - 2.21 TFLOPS FP32
x1
Radeon R9 M290X - 2.3 TFLOPS FP32
x1.04
|
|
GeForce GTX 680MX Mac - 160GB/s
x1.04
Radeon R9 M290X - 153.6GB/s
x1
|
|
GeForce GTX 680MX Mac - 122W
x1.22
Radeon R9 M290X - 100W
x1
|
Manufacturer
NVIDIA
|
Manufacturer
AMD
|
|
Chip Designer
NVIDIA
|
Chip Designer
AMD
|
|
Architecture
Kepler
|
Architecture
GCN 1
|
|
Family
GeForce 600
|
Family
Radeon R 200
|
|
Codename
NVE4
GK104
-
-
|
Codename
Pitcairn
-
Variant
Neptune XT
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
10/23/2012
|
Release Date
5/31/2014
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
28nm
|
|
Die Size
294 mm²
|
Die Size
212 mm²
|
|
Transistor Count
3.5 Billion
|
Transistor Count
2.8 Billion
|
|
Transistor Density
12.04M/mm²
|
Transistor Density
13.21M/mm²
|
|
Form
Soldered
|
Form
Soldered
|
|
Shading Units
1536 Shaders
|
Shading Units
1280 Shaders
|
|
Texture Mapping Units
128 TMUs
|
Texture Mapping Units
80 TMUs
|
|
Render Output Units
32 ROPs
|
Render Output Units
32 ROPs
|
|
Streaming Multiprocessors
8 SMs
|
-
-
|
|
-
-
|
Compute Units
20 CUs
|
|
-
719MHz
|
850MHz Base
900MHz
|
|
Peak AI Performance
2.21 TOPS
INT32
|
Peak AI Performance
2.3 TFLOPS
FP32
|
|
FP32
2.21 TFLOPS
|
FP32
2.3 TFLOPS
|
|
FP64
90 GFLOPS
|
FP64
140 GFLOPS
|
|
INT32
2.21 TOPS
|
-
-
|
|
Pixel Fillrate
23.008 GPixel/s
|
Pixel Fillrate
28.8 GPixel/s
|
|
Texture Fillrate
92.032 GTexel/s
|
Texture Fillrate
72 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
-
|
L1
-
-
16KB/CU
|
|
L2
512KB Shared
|
L2
512KB Shared
|
|
2GB
GDDR5
|
4GB
GDDR5
|
|
Bus Width
256Bit
|
Bus Width
256Bit
|
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
160GB/s
|
Clock
1200MHz
Transfer Rate
4.8GT/s
Bandwidth
153.6GB/s
|
|
TDP
122W
|
TDP
100W
|
|
Max Resolution
2560x1600
|
Max Resolution
4096x2160
|
|
Max Resolution Refresh Rate
60Hz
|
Max Resolution Refresh Rate
60Hz
|
|
Variable Refresh Rate
G-Sync
FreeSync
|
Variable Refresh Rate
-
-
|
|
Display Stream Compression (DSC)
Not Supported
|
Display Stream Compression (DSC)
Not Supported
|
|
Multi Monitor Support
2
|
Multi Monitor Support
3
|
|
Model
NVENC 1
|
Model
VCE 1.0
|
|
Codec
AVC (H.264)
|
Codec
AVC (H.264)
|
|
Model
NVDEC 1
|
Model
UVD 4.0
|
|
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
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
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
6.5
-
-
GFX
6
-
-
-
-
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
16
|
PCIe Version
3.0
PCIe Lanes
16
|
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