GeForce GTX 970M SLI and Radeon HD 8970M Crossfire - video card comparison
GeForce GTX 970M SLI
Radeon HD 8970M Crossfire
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
-
Neptune CF
Market segment
Laptop
Laptop
Release date
October 2014
May 2012
SLI options
+
-
Boost clock speed
1038 MHz
900 MHz
Core clock speed
924 MHz
850 MHz
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 5200 Million
-
Pipelines / CUDA cores
2560
2560
Power consumption (TDP)
162 Watt
200 Watt
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 6 GB
-
Memory bus width
2x 192 Bit
2x 256 Bit
Memory clock speed
5000 MHz
4800 MHz
Shared memory
-
-
DirectX
12_1
11.1
CUDA
+
-
Optimus
+
-