Radeon R9 290X2 and Radeon E8870 PCIe - video card comparison
Radeon R9 290X2
Radeon E8870 PCIe
Architecture
GCN 2.0 (2013−2017)
GCN 2.0 (2013−2017)
GPU code name
Hawaii
Saturn
Market segment
Desktop
Desktop
Release date
June 2014
September 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
None
Core clock speed
1000 MHz
1000 MHz
Floating-point performance
2x 5,632 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
2,080 million
Pipelines / CUDA cores
2816
768
Power consumption (TDP)
580 Watt
75 Watt
Texture fill rate
176.0
48.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
512 Bit
128 Bit
Memory clock speed
5400 MHz
6 GB/s
Memory bandwidth
345.6 GB/s
96 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
4x DisplayPort 1.2
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.1
OpenGL
4.6
4.6
Shader Model
6.3
6.5 (6.0)
Vulkan
1.2.131
1.2.170