GeForce GTX 775M Mac Edition and Radeon X800 PRO - video card comparison
GeForce GTX 775M Mac Edition
Radeon X800 PRO
Architecture
Kepler (2012−2018)
R400 (2004−2008)
GPU code name
GK104
R423
Market segment
Desktop
Desktop
Release date
November 2013
May 2004
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
1x Molex
Core clock speed
797 MHz
475 MHz
Floating-point performance
2,142 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
3,540 million
160 million
Pipelines / CUDA cores
1344
-
Power consumption (TDP)
100 Watt
48 Watt
Texture fill rate
89.26
5.700
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
5000 MHz
900 MHz
Memory bandwidth
160.0 GB/s
28.8 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0b (9_2)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.1.126
N/A