Radeon R9 M290X Crossfire and GeForce GTX 780M SLI - video card comparison
Radeon R9 M290X Crossfire
GeForce GTX 780M SLI
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
Neptune CF
N14E-GTX
Market segment
Laptop
Laptop
Release date
March 2014
May 2013
SLI options
-
+
Boost clock speed
900 MHz
-
Core clock speed
850 MHz
823 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 2800 Million
7080 Million
Pipelines / CUDA cores
2560
3072
Power consumption (TDP)
200 Watt
200 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
2x 4 GB
Memory bus width
2x 256 Bit
2x 256 Bit
Memory clock speed
4800 MHz
5000 MHz
Shared memory
-
-
DirectX
12 (FL 11_1)
11
CUDA
-
+
Optimus
-
+