Radeon HD 8790M and GeForce GTX 950M Mac Edition - video card comparison
Radeon HD 8790M
GeForce GTX 950M Mac Edition
Architecture
GCN (2011−2017)
Maxwell (2014−2018)
GPU code name
Mars XTX
GM107
Market segment
Laptop
Desktop
Release date
November 2012
March 2015
Interface
MXM-A (3.0)
MXM-B (3.0)
Supplementary power connectors
None
-
Boost clock speed
900 MHz
1124 MHz
Core clock speed
850 MHz
993 MHz
Floating-point performance
691.2 gflops
1,271 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
1,870 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
unknown
75 Watt
Texture fill rate
21.60
44.96
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1800 MHz
Memory bandwidth
64 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_0)
CUDA
-
5.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126