Radeon R9 390 X2 and Rage 128 PRO Ultra - video card comparison
Radeon R9 390 X2
Rage 128 PRO Ultra
Architecture
GCN 2.0 (2013−2017)
Rage 4 (1998−1999)
GPU code name
Grenada
Rage 4 PRO
Market segment
Desktop
Desktop
Release date
September 2015
August 1999
Interface
PCIe 3.0 x16
AGP 4x
Supplementary power connectors
4x 8-pin
None
Core clock speed
1000 MHz
130 MHz
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
250 nm
Number of transistors
6,200 million
8 million
Pipelines / CUDA cores
2560
-
Power consumption (TDP)
580 Watt
-
Texture fill rate
160.0
0.26
Memory type
GDDR5
SDR
Maximum RAM amount
8 GB
32 MB
Memory bus width
512 Bit
64 Bit
Memory clock speed
5400 MHz
130 MHz
Memory bandwidth
345.6 GB/s
1.04 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x VGA
HDMI
+
-
DirectX
12 (12_0)
6.0
OpenCL
2.0
N/A
OpenGL
4.6
1.2
Shader Model
6.3
-
Vulkan
1.2.131
N/A