GeForce GTX 465 and GeForce 8800 GTS 640 - video card comparison
GeForce GTX 465
GeForce 8800 GTS 640
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
GF100
G80
Market segment
Desktop
Desktop
Release date
May 2010
November 2006
Bus support
PCI-E 2.0 x 16
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
Two 6-pins
1x 6-pin
SLI options
+
-
Core clock speed
607 MHz
513 MHz
CUDA cores
352
-
Floating-point performance
855.4 gflops
228.1 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
3,100 million
681 million
Pipelines / CUDA cores
352
96
Power consumption (TDP)
200 Watt
143 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
26.7 billion/sec
24.62
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
640 MB
Memory bus width
256 Bit
320 Bit
Memory clock speed
1603 MHz (3206 data rate)
1584 MHz
Memory bandwidth
102.6 GB/s
63.36 GB/s
Display Connectors
Two Dual Link DVIMini HDMI
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
N/A