Radeon R9 290 and Radeon HD 7970M X2 - video card comparison
Radeon R9 290
Radeon HD 7970M X2
Architecture
GCN 2.0 (2013−2017)
GCN 1.0 (2012−2020)
GPU code name
Hawaii
Wimbledon
Market segment
Desktop
Desktop
Release date
November 2013
April 2012
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin + 1x 8-pin
None
Core clock speed
947 MHz
850 MHz
Floating-point performance
4,849 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
2,800 million
Pipelines / CUDA cores
2560
1280
Power consumption (TDP)
275 Watt
200 Watt
Texture fill rate
151.5
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
5000 MHz
4.8 GB/s
Memory bandwidth
320.0 GB/s
153.6 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
Portable Device Dependent
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
6.3
6.5 (5.1)
Vulkan
1.2.131
1.2.170