Radeon R9 290 and Radeon R9 M295X Mac Edition - video card comparison
Radeon R9 290
Radeon R9 M295X Mac Edition
Architecture
GCN 2.0 (2013−2017)
GCN 3.0 (2014−2017)
GPU code name
Hawaii
Amethyst
Market segment
Desktop
Desktop
Release date
November 2013
November 2014
Interface
PCIe 3.0 x16
MXM-B (3.0)
Supplementary power connectors
1x 6-pin + 1x 8-pin
-
Core clock speed
947 MHz
850 MHz
Floating-point performance
4,849 gflops
3,482 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
6,200 million
5,000 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
275 Watt
250 Watt
Texture fill rate
151.5
108.8
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
5000 MHz
5448 MHz
Memory bandwidth
320.0 GB/s
174.3 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.3
Vulkan
1.2.131
1.2.131