GeForce GT 755M Mac Edition and Radeon R9 M290X Mac Edition - video card comparison
GeForce GT 755M Mac Edition
Radeon R9 M290X Mac Edition
Architecture
Kepler (2012−2018)
GCN 1.0 (2012−2020)
GPU code name
GK107
Pitcairn
Market segment
Desktop
Desktop
Release date
November 2013
November 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
-
975 MHz
Core clock speed
1085 MHz
-
Floating-point performance
833.3 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
2,800 million
Pipelines / CUDA cores
384
1024
Power consumption (TDP)
50 Watt
80 Watt
Texture fill rate
34.72
62.40
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
5000 MHz
5.5 GB/s
Memory bandwidth
80 GB/s
174.7 GB/s
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_1)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.2