
Radeon HD 6550D and GeForce 8800 GTS 640 - video card comparison
Radeon HD 6550D
GeForce 8800 GTS 640
Architecture
Terascale 2 (2009−2015)
Tesla (2006−2010)
GPU code name
Llano
G80
Market segment
Desktop
Desktop
Release date
June 2011
November 2006
Interface
IGP
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
600 MHz
513 MHz
Floating-point performance
-
228.1 gflops
Manufacturing process technology
32 nm
90 nm
Number of transistors
1000 Million
681 million
Pipelines / CUDA cores
400
96
Power consumption (TDP)
65 Watt
143 Watt
Texture fill rate
12.00
24.62
Memory type
System Shared
GDDR3
Maximum RAM amount
System Shared
640 MB
Memory bus width
System Shared
320 Bit
Memory clock speed
System Shared
1584 MHz
Memory bandwidth
-
63.36 GB/s
Shared memory
+
-
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