Radeon R9 290X2 and Radeon Sky 900 - video card comparison
Radeon R9 290X2
Radeon Sky 900
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Hawaii
Tahiti
Market segment
Desktop
Desktop
Release date
June 2014
March 2013
Bus support
-
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
2x 8-pin
Boost clock speed
-
950 MHz
Core clock speed
1000 MHz
825 MHz
Floating-point performance
2x 5,632 gflops
2x 3,405 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
4,313 million
Pipelines / CUDA cores
2816
3584
Power consumption (TDP)
580 Watt
300 Watt
Texture fill rate
176.0
106.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
6 GB
Memory bus width
512 Bit
384 Bit
Memory clock speed
5400 MHz
5000 MHz
Memory bandwidth
345.6 GB/s
480 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x mini-DisplayPort
Dual-link DVI support
-
1
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131