Radeon HD 4550 and GeForce 8800 GTS 640 - video card comparison
Radeon HD 4550
GeForce 8800 GTS 640
Architecture
TeraScale (2005−2013)
Tesla (2006−2010)
GPU code name
RV710
G80
Market segment
Desktop
Desktop
Release date
September 2008
November 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
600 MHz
513 MHz
Floating-point performance
96 gflops
228.1 gflops
Manufacturing process technology
55 nm
90 nm
Number of transistors
242 million
681 million
Pipelines / CUDA cores
80
96
Power consumption (TDP)
25 Watt
143 Watt
Texture fill rate
4.800
24.62
Memory type
DDR2
GDDR3
Maximum RAM amount
256 MB
640 MB
Memory bus width
64 Bit
320 Bit
Memory clock speed
1310 MHz
1584 MHz
Memory bandwidth
10.48 GB/s
63.36 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x S-Video
HDMI
+
-
DirectX
10.1 (10_1)
11.1 (10_0)
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.0
Vulkan
N/A
N/A