Radeon R9 M290X Crossfire and Radeon RX 6900 XT - video card comparison
Radeon R9 M290X Crossfire
Radeon RX 6900 XT
Architecture
GCN (2011−2017)
Navi / RDNA2 (2020−2022)
GPU code name
Neptune CF
Navi 21
Market segment
Laptop
Desktop
Release date
March 2014
December 2020
Interface
-
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
900 MHz
2250 MHz
Core clock speed
850 MHz
1825 MHz
Manufacturing process technology
28 nm
7 nm
Number of transistors
2x 2800 Million
26,800 million
Pipelines / CUDA cores
2560
5120
Power consumption (TDP)
200 Watt
300 Watt
Texture fill rate
-
720.0
Memory type
GDDR5
GDDR6
Maximum RAM amount
2x 4 GB
16 GB
Memory bus width
2x 256 Bit
256 Bit
Memory clock speed
4800 MHz
16000 MHz
Memory bandwidth
-
512.0 GB/s
Shared memory
-
-
Display Connectors
-
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
12 (FL 11_1)
12 Ultimate (12_2)
OpenCL
-
2.1
OpenGL
-
4.6
Shader Model
-
6.5
Vulkan
-
1.2