GeForce GTX 580 and GeForce 8800 GTS 640 - video card comparison
GeForce GTX 580
GeForce 8800 GTS 640
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
GF110
G80
Market segment
Desktop
Desktop
Release date
November 2010
November 2006
Bus support
PCI-E 2.0 x 16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
One 6-pin and One 8-pin
1x 6-pin
SLI options
+
-
Core clock speed
772 MHz
513 MHz
CUDA cores
512
-
Floating-point performance
1,581.1 gflops
228.1 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
3,000 million
681 million
Pipelines / CUDA cores
512
96
Power consumption (TDP)
244 Watt
143 Watt
Maximum GPU temperature
97 °C
-
Texture fill rate
49.4 billion/sec
24.62
Memory type
GDDR5
GDDR3
Maximum RAM amount
1536 MB
640 MB
Memory bus width
384 Bit
320 Bit
Memory clock speed
2004 MHz (4008 data rate)
1584 MHz
Memory bandwidth
192.4 GB/s
63.36 GB/s
Display Connectors
Mini HDMITwo Dual Link DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.2
3.3
Shader Model
5.1
4.0
Vulkan
+
N/A