
GeForce GTX TITAN and Tesla K20X - video card comparison
GeForce GTX TITAN
Tesla K20X
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110
GK110
Market segment
Desktop
Workstation
Release date
February 2013
November 2012
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 8-pin and one 6-pin
1x 6-pin + 1x 8-pin
Boost clock speed
876 MHz
-
Core clock speed
837 MHz
732 MHz
CUDA cores
2688
-
Floating-point performance
4,709 gflops
3,935 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
7,080 million
Pipelines / CUDA cores
2688
2688
Power consumption (TDP)
250 Watt
235 Watt
Texture fill rate
187.5 billion/sec
164.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
6 GB
Memory bus width
384-bit GDDR5
384 Bit
Memory clock speed
6.0 GB/s
5200 MHz
Memory bandwidth
288.4 GB/s
249.6 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
3.5
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-