
GeForce GTX 860M SLI and Radeon HD 8790M - video card comparison
GeForce GTX 860M SLI
Radeon HD 8790M
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
-
Mars XTX
Market segment
Laptop
Laptop
Release date
March 2014
November 2012
Interface
-
MXM-A (3.0)
Supplementary power connectors
-
None
SLI options
+
-
Boost clock speed
-
900 MHz
Core clock speed
1029 MHz
850 MHz
Floating-point performance
-
691.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 1870 Million
950 million
Pipelines / CUDA cores
1280
384
Power consumption (TDP)
120 Watt
unknown
Texture fill rate
-
21.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
2x 4 GB
2 GB
Memory bus width
2x 128 Bit
128 Bit
Memory clock speed
5000 MHz
4500 MHz
Memory bandwidth
-
64 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
+
-