
GeForce GTX 1080 11Gbps and Radeon HD 8950M - video card comparison
GeForce GTX 1080 11Gbps
Radeon HD 8950M
Architecture
Pascal (2016−2021)
GCN 2.0 (2013−2017)
GPU code name
GP104
Saturn
Market segment
Desktop
Desktop
Release date
April 2017
May 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
1075 MHz
Floating-point performance
8,873 gflops
1,651 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
2,080 million
Pipelines / CUDA cores
2560
768
Power consumption (TDP)
180 Watt
100 Watt
Texture fill rate
277.3
51.60
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
11008 MHz
5500 MHz
Memory bandwidth
352.3 GB/s
88 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_1)
12 (12_0)
CUDA
6.1
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
1.2.131