Radeon Pro 555X and GeForce GTS 450 Rev. 2 - video card comparison
Radeon Pro 555X
GeForce GTS 450 Rev. 2
Architecture
Polaris (2016−2019)
Fermi 2.0 (2010−2014)
GPU code name
Polaris 21
GF116
Market segment
Mobile workstation
Desktop
Release date
June 2017
March 2011
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
855 MHz
783 MHz
Floating-point performance
-
601.3 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
3,000 million
1,170 million
Pipelines / CUDA cores
768
192
Power consumption (TDP)
-
106 Watt
Texture fill rate
43.54
25.06
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5080 MHz
3608 MHz
Memory bandwidth
81.6 GB/s
57.73 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x mini-HDMI
HDMI
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
2.1
OpenCL
2.0
1.1
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
FreeSync
+
-