Radeon RX Vega 56 and Radeon R9 M290X Crossfire - video card comparison
Radeon RX Vega 56
Radeon R9 M290X Crossfire
Architecture
Vega (2017−2021)
GCN (2011−2017)
GPU code name
Vega
Neptune CF
Market segment
Desktop
Laptop
Release date
August 2017
March 2014
Interface
PCIe 3.0 x16
-
Supplementary power connectors
2x 8-pin
-
Boost clock speed
1474 MHz
900 MHz
Core clock speed
1138 MHz
850 MHz
Floating-point performance
10,566 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
12,500 million
2x 2800 Million
Pipelines / CUDA cores
3584
2560
Power consumption (TDP)
210 Watt
200 Watt
Texture fill rate
329.5
-
Memory type
HBM2
GDDR5
Maximum RAM amount
8 GB
2x 4 GB
Memory bus width
409.6 Bit
2x 256 Bit
Memory clock speed
800 MHz
4800 MHz
Memory bandwidth
409.6 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
-
HDMI
+
-
DirectX
12 (12_1)
12 (FL 11_1)
OpenCL
2.0
-
OpenGL
4.6
-
Shader Model
6.4
-
Vulkan
1.1.125
-