Radeon R9 M290X Crossfire and Radeon RX 460 - video card comparison
Radeon R9 M290X Crossfire
Radeon RX 460
Architecture
GCN (2011−2017)
Polaris (2016−2019)
GPU code name
Neptune CF
Polaris 11 / Baffin XT
Market segment
Laptop
Desktop
Release date
March 2014
August 2016
Interface
-
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
900 MHz
1200 MHz
Core clock speed
850 MHz
1090 MHz
Floating-point performance
-
2,150 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
2x 2800 Million
3,000 million
Pipelines / CUDA cores
2560
896
Power consumption (TDP)
200 Watt
75 Watt
Texture fill rate
-
67.20
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
4 GB
Memory bus width
2x 256 Bit
128 Bit
Memory clock speed
4800 MHz
7000 MHz
Memory bandwidth
-
112.0 GB/s
Shared memory
-
-
Display Connectors
-
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (FL 11_1)
12 (12_0)
OpenCL
-
2.0
OpenGL
-
4.6
Shader Model
-
6.4
Vulkan
-
1.2.131
FreeSync
-
+