GeForce GTX 980M SLI and Radeon R9 M290X Crossfire - video card comparison
GeForce GTX 980M SLI
Radeon R9 M290X Crossfire
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
-
Neptune CF
Market segment
Laptop
Laptop
Release date
October 2014
March 2014
SLI options
+
-
Boost clock speed
1127 MHz
900 MHz
Core clock speed
1038 MHz
850 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 5200 Million
2x 2800 Million
Pipelines / CUDA cores
3072
2560
Power consumption (TDP)
200 Watt
200 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2x 4 GB
Memory bus width
2x 256 Bit
2x 256 Bit
Memory clock speed
5000 MHz
4800 MHz
Shared memory
-
-
DirectX
12_1
12 (FL 11_1)
CUDA
+
-
Vulkan
+
-
Optimus
+
-