GeForce GTX TITAN and GeForce GT 640M Mac Edition - video card comparison
GeForce GTX TITAN
GeForce GT 640M Mac Edition
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK110
GK107
Market segment
Desktop
Desktop
Release date
February 2013
February 2013
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
-
Boost clock speed
876 MHz
-
Core clock speed
837 MHz
745 MHz
CUDA cores
2688
-
Floating-point performance
4,709 gflops
572.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
7,080 million
1,270 million
Pipelines / CUDA cores
2688
384
Power consumption (TDP)
250 Watt
32 Watt
Texture fill rate
187.5 billion/sec
23.84
Memory type
GDDR5
GDDR5
Maximum RAM amount
6 GB
512 MB
Memory bus width
384-bit GDDR5
64 Bit
Memory clock speed
6.0 GB/s
5000 MHz
Memory bandwidth
288.4 GB/s
40 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
+
3.0
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
+
-