Radeon R7 450 OEM and Radeon RX 590 - video card comparison
Radeon R7 450 OEM
Radeon RX 590
Architecture
GCN 1.0 (2012−2020)
Polaris (2016−2019)
GPU code name
Cape Verde
Polaris 30
Market segment
Desktop
Desktop
Release date
June 2016
November 2018
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 8-pin
Boost clock speed
-
1545 MHz
Core clock speed
925 MHz
1469 MHz
Floating-point performance
947.2 gflops
-
Manufacturing process technology
28 nm
12 nm
Number of transistors
1,500 million
5,700 million
Pipelines / CUDA cores
512
2304
Power consumption (TDP)
65 Watt
175 Watt
Texture fill rate
29.60
222.5
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
4.5 GB/s
8000 MHz
Memory bandwidth
72 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
2.1 (1.2)
2.0
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
6.4
Vulkan
1.2.170
1.2.131
FreeSync
-
+