Radeon R9 390 X2 and Matrox Parhelia 128 MB - video card comparison
Radeon R9 390 X2
Matrox Parhelia 128 MB
Architecture
GCN 2.0 (2013−2017)
Parhelia (2002−2006)
GPU code name
Grenada
Parhelia-512
Market segment
Desktop
Desktop
Release date
September 2015
June 2002
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
4x 8-pin
None
Core clock speed
1000 MHz
200 MHz
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
150 nm
Number of transistors
6,200 million
80 million
Pipelines / CUDA cores
2560
-
Power consumption (TDP)
580 Watt
-
Texture fill rate
160.0
0.8
Memory type
GDDR5
DDR
Maximum RAM amount
8 GB
128 MB
Memory bus width
512 Bit
256 Bit
Memory clock speed
5400 MHz
500 MHz
Memory bandwidth
345.6 GB/s
16 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI
HDMI
+
-
DirectX
12 (12_0)
8.1
OpenCL
2.0
N/A
OpenGL
4.6
1.5
Shader Model
6.3
-
Vulkan
1.2.131
N/A