$ Bottom line: Which one is better?
Bottom line: Nvidia Titan X is better than Gigabyte GeForce GTX Titan Z.
Nvidia Titan X is better in this review when we compare Titan z vs Titan X because of the following features; 711MHz faster GPU clock speed, 2.16 TFLOPS higher floating-point, 51.4 GPixel/s higher pixel rate, 3008MHz higher effective memory clock, 0.8 newer version of DirectX , 125W lower TDP, 4920million more transistors and 12nm smaller semiconductor size.
Gigabyte GeForce GTX Titan Z vs Nvidia Titan X: GENERAL INFO
In terms of general info, the features of Titan X vs Titan Z can be compared as below;
Thermal design power (TDP); Gigabyte GeForce GTX Titan Z has 375W while Nvidia Titan X has 250W.
Number of transistors; Gigabyte GeForce GTX Titan Z has 7080 million whereas Nvidia Titan X has 12000million.
Semiconductor size; Gigabyte GeForce GTX Titan Z has 28nm while Nvidia Titan X has 16nm.
PCI express (PCIE) version; Gigabyte GeForce GTX Titan Z and Nvidia Titan X have 3.
Width; Gigabyte GeForce GTX Titan Z is 281mm while Nvidia Titan X is 267mm.
Height; Gigabyte GeForce GTX Titan Z is 132mm whereas Nvidia Titan X is 111.1mm.
Bottom line: Nvidia Titan X is better as it has lower TDP, higher number of transistors and smaller semiconductor size.
Gigabyte GeForce GTX Titan Z vs Nvidia Titan X: PERFORMANCE
When we compare GTX Titan 2 vs Titan X we have the following features;
Pixel rate; Gigabyte GeForce GTX Titan Z has 84.6 GPixel/s while Nvidia Titan X has 136 GPixel/s.
Texture rate; Gigabyte GeForce GTX Titan Z has 338 GTexels/ s while Nvidia Titan X has 136 GPixel/s.
GPU memory speed; Gigabyte GeForce GTX Titan Z has 1750MHz while Nvidia Titan X has 1251MHz.
GPU clock speed; Gigabyte GeForce GTX Titan Z has 706MHz whereas has 1417MHz.
Floating-point performance; Gigabyte GeForce GTX Titan Z has 8 TFLOPS whereas Nvidia Titan X has 10.16 TFLOPS.
Texture mapping units (TIMUS); Gigabyte GeForce GTX Titan Z has 480 whereas Nvidia Titan X has 224.
Bottom line: Nvidia Titan X is better as it has enhanced performance features.
Gigabyte GeForce GTX Titan Z vs Nvidia Titan X: MEMORY
The memory features of Nvidia Titan Z vs Titan X include the following;
Maximum memory bandwidth; Gigabyte GeForce GTX Titan Z has 672GB/s whereas Nvidia Titan X has 480GB/s.
Memory bus width; Gigabyte GeForce GTX Titan Z has 768bit while Nvidia Titan X 384bit.
Effective memory speed; Gigabyte GeForce GTX Titan Z has 7000MHz whereas Nvidia Titan X has 10008MHz.
RAM; each of the devices has 12GB.
Version of GDDR memory; each of the devices has 5.
Bottom line: Gigabyte GeForce GTX Titan Z is better because it has greater maximum memory bandwidth and higher memory bus width.
Gigabyte GeForce GTX Titan Z vs Nvidia Titan X: PORTS
In terms of ports, the features of Nvidia Titan X vs Titan Z are as follows;
HDMI output; Gigabyte GeForce GTX Titan Z and Nvidia Titan X have HDMI outputs.
Displayport outputs; Gigabyte GeForce GTX Titan Z has 1 whereas Nvidia Titan X has 3.
DVI outputs; Gigabyte GeForce GTX Titan Z has 2 while Nvidia Titan X has 1.
Bottom line: Nvidia Titan X is better as it has more ports than Gigabyte GeForce GTX Titan Z.
Gigabyte GeForce GTX Titan Z vs Nvidia Titan X: KEY FEATURES
OpenGL version; Gigabyte GeForce GTX Titan Z has 4.4 while Nvidia Titan X has 4.5.
DirectX version; Gigabyte GeForce GTX Titan Z has 11.2 while Nvidia Titan X has 12.
OpenCL version; Gigabyte GeForce GTX Titan Z has 1.1 whereas Nvidia Titan X has 1.2.
Supports 4K resolution; the two devices have this feature.
Supports multi-display technology; the two devices have this feature.
Supports 3D; the two devices can support 3D
Bottom line: Nvidia Titan X is better as it has superior key features.
Conclusion
In this review, Nvidia Titan X is a better device when you are to choose either Titan Z or Titan X.