GeForce GTX 980 SLI Mobile and Radeon HD 8870M - video card comparison
GeForce GTX 980 SLI Mobile
Radeon HD 8870M
Architecture
Maxwell (2014−2018)
GCN (2011−2017)
GPU code name
N16E-GXX SLI
Venus
Market segment
Laptop
Laptop
Release date
September 2015
December 2012
Interface
-
PCIe 3.0 x16
SLI options
+
-
Boost clock speed
1228 MHz
775 MHz
Core clock speed
1126 MHz
725 MHz
Floating-point performance
-
992.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
10400 Million
1,500 million
Pipelines / CUDA cores
4096
640
Power consumption (TDP)
330 Watt
-
Texture fill rate
-
31.00
Memory type
GDDR5
GDDR5, DDR3
Maximum RAM amount
2x 8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3500 MHz
4500 MHz
Memory bandwidth
-
72 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
G-SYNC support
+
-
DirectX
12_1
12 (11_1)
CUDA
+
-
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.2.131