Radeon HD 7870 and Radeon 9550 - video card comparison
Passmark - benchmark score Radeon HD 7870 vs Radeon 9550
Radeon HD 7870
4779
Radeon 9550
35
Radeon HD 7870
Radeon 9550
Architecture
GCN (2011−2017)
Rage 8 (2002−2006)
GPU code name
Pitcairn XT
RV350
Market segment
Desktop
Desktop
Release date
March 2012
October 2003
Interface
PCIe 3.0 x16
AGP 8x
Supplementary power connectors
2x 6-pin
None
Core clock speed
1000 MHz
250 MHz
Manufacturing process technology
28 nm
130 nm
Number of transistors
2800 Million
60 million
Pipelines / CUDA cores
1280
-
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
1.000
Memory type
GDDR5
DDR
Maximum RAM amount
2 GB
64 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
4800 MHz
400 MHz
Memory bandwidth
153.6 GB/s
6.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x VGA, 1x S-Video
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
9.0 (9_0)
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
-
Vulkan
1.2.131
N/A