GeForce GTX 980 SLI Mobile and Radeon R9 M290X Crossfire - video card comparison
GeForce GTX 980 SLI Mobile
Radeon R9 M290X Crossfire
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX SLI
Neptune CF
Market segment
Laptop
Laptop
Release date
September 2015
March 2014
SLI options
+
-
Boost clock speed
1228 MHz
900 MHz
Core clock speed
1126 MHz
850 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
2x 2800 Million
Pipelines / CUDA cores
4096
2560
Power consumption (TDP)
330 Watt
200 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 8 GB
2x 4 GB
Memory bus width
256 Bit
2x 256 Bit
Memory clock speed
3500 MHz
4800 MHz
Shared memory
-
-
G-SYNC support
+
-
DirectX
12_1
12 (FL 11_1)
CUDA
+
-