
Radeon HD 8550M and GeForce 7800 GT - video card comparison
Radeon HD 8550M
GeForce 7800 GT
Architecture
GCN (2011−2017)
Curie (2003−2013)
GPU code name
Sun
G70
Market segment
Laptop
Desktop
Release date
November 2012
August 2005
Interface
PCIe 3.0 x8
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
850 MHz
-
Core clock speed
700 MHz
400 MHz
Floating-point performance
544.0 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
690 million
302 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
-
65 Watt
Texture fill rate
17.00
8.000
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
1000 MHz
Memory bandwidth
14.4 GB/s
32 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.2.131
N/A