Radeon R9 390 X2 and GeForce 9400M - video card comparison
Radeon R9 390 X2
GeForce 9400M
Architecture
GCN 2.0 (2013−2017)
Tesla (2006−2010)
GPU code name
Grenada
C79
Market segment
Desktop
Desktop
Release date
September 2015
October 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
4x 8-pin
-
Core clock speed
1000 MHz
580 MHz
Floating-point performance
2x 5,120 gflops
-
Manufacturing process technology
28 nm
65 nm
Number of transistors
6,200 million
314 million
Pipelines / CUDA cores
2560
16
Power consumption (TDP)
580 Watt
12 Watt
Texture fill rate
160.0
4.640
Memory type
GDDR5
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
512 Bit
System Shared
Memory clock speed
5400 MHz
System Shared
Memory bandwidth
345.6 GB/s
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
11.1 (10_0)
OpenCL
2.0
N/A
OpenGL
4.6
3.3
Shader Model
6.3
4.0
Vulkan
1.2.131
N/A