Radeon Pro 450 and GeForce GT 650M Mac Edition - video card comparison
Radeon Pro 450
GeForce GT 650M Mac Edition
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris 11
GK107
Market segment
Mobile workstation
Desktop
Release date
October 2016
July 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Core clock speed
800 MHz
900 MHz
Floating-point performance
1,024 gflops
691.2 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
3,000 million
1,270 million
Pipelines / CUDA cores
640
384
Power consumption (TDP)
75 Watt
45 Watt
Texture fill rate
32.00
28.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5080 MHz
5016 MHz
Memory bandwidth
81.28 GB/s
80.26 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_0)
CUDA
-
3.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
FreeSync
+
-