GeForce GTX 1080 11Gbps and GeForce GTX 555 OEM - video card comparison
GeForce GTX 1080 11Gbps
GeForce GTX 555 OEM
Architecture
Pascal (2016−2021)
Fermi 2.0 (2010−2014)
GPU code name
GP104
GF114
Market segment
Desktop
Desktop
Release date
April 2017
May 2011
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 8-pin
2x 6-pin
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
736 MHz
Floating-point performance
8,873 gflops
847.9 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
1,950 million
Pipelines / CUDA cores
2560
288
Power consumption (TDP)
180 Watt
150 Watt
Texture fill rate
277.3
35.33
Memory type
GDDR5X
GDDR5
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
11008 MHz
3828 MHz
Memory bandwidth
352.3 GB/s
91.87 GB/s
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (12_1)
12 (11_0)
CUDA
6.1
2.1
OpenCL
1.2
1.1
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A