NVIDIA GeForce GT 755M Mac vs AMD Radeon HD 6770M Mac MXM
NVIDIA GeForce GT 755M Mac
AMD Radeon HD 6770M Mac MXM
|
384 Shaders
1GB GDDR5
1085MHz
|
480 Shaders
512MB GDDR5
675MHz
|
|
Peak AI Performance
0.83 TOPS
INT32
|
Peak AI Performance
650 GFLOPS
FP32
|
|
FP32
830 GFLOPS
|
FP32
650 GFLOPS
|
|
Form Factor
Soldered
|
Form Factor
MXM-A
|
|
TDP
Unknown
|
TDP
35W
|
Peak AI Performance
|
|
GeForce GT 755M Mac - 0.83 TOPS INT32
x1.28
Radeon HD 6770M Mac MXM - 650 GFLOPS FP32
x1
FP32
|
|
GeForce GT 755M Mac - 830 GFLOPS FP32
x1.28
Radeon HD 6770M Mac MXM - 650 GFLOPS FP32
x1
|
|
GeForce GT 755M Mac - 80GB/s
x1.57
Radeon HD 6770M Mac MXM - 50.8GB/s
x1
|
0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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0%
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Manufacturer
NVIDIA
|
Manufacturer
AMD
|
|
Chip Designer
NVIDIA
|
Chip Designer
AMD
|
|
Architecture
Kepler
|
Architecture
TeraScale 2
|
|
Family
GeForce 700
|
Family
Radeon HD 6000
|
|
Codename
NVE7
GK107
-
-
|
Codename
Turks
RV930
Variant
Whistler XT
|
|
Market Segment
Laptop
|
Market Segment
Laptop
|
|
Release Date
4/1/2013
|
Release Date
1/4/2011
|
|
Foundry
TSMC
|
Foundry
TSMC
|
|
Fabrication Node
28nm
|
Fabrication Node
40nm
|
|
Die Size
118 mm²
|
Die Size
118 mm²
|
|
Transistor Count
1.3 Billion
|
Transistor Count
716 Million
|
|
Transistor Density
10.76M/mm²
|
Transistor Density
6.07M/mm²
|
|
Form
Soldered
|
Form
MXM-A
|
|
Shading Units
384 Shaders
|
Shading Units
480 Shaders
|
|
Texture Mapping Units
32 TMUs
|
Texture Mapping Units
24 TMUs
|
|
Render Output Units
16 ROPs
|
Render Output Units
8 ROPs
|
|
Streaming Multiprocessors
2 SMs
|
-
-
|
|
-
-
|
Compute Units
6 CUs
|
|
1085MHz
|
675MHz
|
|
Peak AI Performance
0.83 TOPS
INT32
|
Peak AI Performance
650 GFLOPS
FP32
|
|
FP32
830 GFLOPS
|
FP32
650 GFLOPS
|
|
FP64
40 GFLOPS
|
-
-
|
|
INT32
0.83 TOPS
|
-
-
|
|
Pixel Fillrate
17.36 GPixel/s
|
Pixel Fillrate
5.4 GPixel/s
|
|
Texture Fillrate
34.72 GTexel/s
|
Texture Fillrate
16.2 GTexel/s
|
|
L1
48KB/SM Tex
16KB/SM
-
|
L1
-
-
8KB/CU
|
|
L2
256KB Shared
|
L2
256KB Shared
|
|
1GB
GDDR5
|
512MB
GDDR5
|
|
Bus Width
128Bit
|
Bus Width
128Bit
|
|
Clock
1250MHz
Transfer Rate
5GT/s
Bandwidth
80GB/s
|
Clock
794MHz
Transfer Rate
3.2GT/s
Bandwidth
50.8GB/s
|
|
TDP
Unknown
|
TDP
35W
|
|
Max Resolution
4096x2304
|
Max Resolution
2560x1600
|
|
Max Resolution Refresh Rate
30Hz
|
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
2
|
|
Model
NVENC 1
|
No Encoders
-
|
|
Codec
AVC (H.264)
|
-
-
|
|
Model
NVDEC 1
|
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
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
-
-
|
|
Shader Model
6.5
CUDA
3.0
-
-
PureVideo HD
VP5
VDPAU
Feature Set D
|
Shader Model
5.0
-
-
GFX
4
-
-
-
-
|
|
Not a Card
|
Not a Card
|
|
PCIe Version
3.0
PCIe Lanes
16
|
PCIe Version
2.1
PCIe Lanes
16
|
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