Radeon HD 5550 and GeForce 8800 GTS 640 - video card comparison
Radeon HD 5550
GeForce 8800 GTS 640
Architecture
TeraScale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Redwood
G80
Market segment
Desktop
Desktop
Release date
February 2010
November 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
550 MHz
513 MHz
Floating-point performance
352.0 gflops
228.1 gflops
Manufacturing process technology
40 nm
90 nm
Number of transistors
627 million
681 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
39 Watt
143 Watt
Texture fill rate
8.800
24.62
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
640 MB
Memory bus width
128 Bit
320 Bit
Memory clock speed
3200 MHz
1584 MHz
Memory bandwidth
51.2 GB/s
63.36 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x S-Video
HDMI
+
-
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