Radeon HD 4870 and Radeon HD 5550 - video card comparison
Passmark - benchmark score Radeon HD 4870 vs Radeon HD 5550
Radeon HD 4870
1411
Radeon HD 5550
387
Radeon HD 4870
Radeon HD 5550
Architecture
TeraScale (2005−2013)
TeraScale 2 (2009−2015)
GPU code name
RV770
Redwood
Market segment
Desktop
Desktop
Release date
June 2008
February 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
550 MHz
Floating-point performance
1,200.0 gflops
352.0 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
627 million
Pipelines / CUDA cores
800
320
Power consumption (TDP)
150 Watt
39 Watt
Texture fill rate
30.00
8.800
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
3200 MHz
Memory bandwidth
115.2 GB/s
51.2 GB/s
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
11.2 (11_0)
OpenCL
1.1
1.2
OpenGL
3.3
4.4
Shader Model
4.1
5.0
Vulkan
N/A
N/A