GeForce GTX 860M SLI and Radeon HD 7970M - video card comparison
GeForce GTX 860M SLI
Radeon HD 7970M
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
-
Wimbledon XT
Market segment
Laptop
Laptop
Release date
March 2014
May 2012
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
+
-
Core clock speed
1029 MHz
850 MHz
Floating-point performance
-
2,176 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 1870 Million
2,800 million
Pipelines / CUDA cores
1280
1280
Power consumption (TDP)
120 Watt
100 Watt
Texture fill rate
-
68.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
2 GB
Memory bus width
2x 128 Bit
256 Bit
Memory clock speed
5000 MHz
4800 MHz
Memory bandwidth
-
153.6 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_0)
12 (11_1)
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.2.131
Optimus
+
-