Radeon HD 7870 XT and GRID K100 - video card comparison
Radeon HD 7870 XT
GRID K100
Architecture
GCN 1.0 (2012−2020)
Kepler (2012−2018)
GPU code name
Tahiti
GK107
Market segment
Desktop
Workstation
Release date
November 2012
June 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
-
Boost clock speed
975 MHz
-
Core clock speed
925 MHz
850 MHz
Floating-point performance
2,995 gflops
326.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
1,270 million
Pipelines / CUDA cores
1536
192
Power consumption (TDP)
185 Watt
130 Watt
Texture fill rate
93.60
13.60
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
256 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
6000 MHz
1782 MHz
Memory bandwidth
192.0 GB/s
28.51 GB/s
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_1)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.1.126