Radeon HD 6550A and GeForce 8800 GTS 640 - video card comparison
Radeon HD 6550A
GeForce 8800 GTS 640
Architecture
TeraScale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Pinewood
G80
Market segment
Desktop
Desktop
Release date
February 2011
November 2006
Interface
MXM-A (3.0)
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
550 MHz
513 MHz
Floating-point performance
624.0 gflops
228.1 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
627 million
681 million
Pipelines / CUDA cores
480
96
Power consumption (TDP)
35 Watt
143 Watt
Texture fill rate
13.20
24.62
Memory type
GDDR3
GDDR3
Maximum RAM amount
2 GB
640 MB
Memory bus width
128 Bit
320 Bit
Memory clock speed
1600 MHz
1584 MHz
Memory bandwidth
25.6 GB/s
63.36 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
11.2 (11_0)
11.1 (10_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.0
Vulkan
N/A
N/A