GeForce GTX 780M Mac Edition and Radeon X1650 PRO - video card comparison
GeForce GTX 780M Mac Edition
Radeon X1650 PRO
Architecture
Kepler (2012−2018)
Ultra-Threaded SE
GPU code name
GK104
RV530
Market segment
Desktop
Desktop
Release date
November 2013
February 2007
Interface
MXM-B (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
None
Boost clock speed
797 MHz
-
Core clock speed
771 MHz
600 MHz
Floating-point performance
2,448 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
3,540 million
157 million
Pipelines / CUDA cores
1536
-
Power consumption (TDP)
122 Watt
44 Watt
Texture fill rate
102.0
2.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
4 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5000 MHz
1400 MBps
Memory bandwidth
160.0 GB/s
22.4 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A