Radeon R9 M290X and GeForce GT 755M Mac Edition - video card comparison
Radeon R9 M290X
GeForce GT 755M Mac Edition
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Neptune
GK107
Market segment
Laptop
Desktop
Release date
January 2014
November 2013
Bus support
PCIe 3.0 x16
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Boost clock speed
900 MHz
-
Compute units
20
-
Core clock speed
850 MHz
1085 MHz
Floating-point performance
2,304 gflops
833.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,270 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
100 Watt
50 Watt
Texture fill rate
72.00
34.72
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1200 MHz
5000 MHz
Memory bandwidth
153.6 GB/s
80 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
DirectX
DirectX® 11
12 (11_0)
CUDA
-
3.0
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
-
1.1.126
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-