Radeon HD 4870 and GeForce GT 550M - video card comparison
Passmark - benchmark score Radeon HD 4870 vs GeForce GT 550M
Radeon HD 4870
1411
GeForce GT 550M
590
Radeon HD 4870
GeForce GT 550M
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
RV770
N12P-GT
Market segment
Desktop
Laptop
Release date
June 2008
January 2011
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
740 MHz
CUDA cores
-
96
Floating-point performance
1,200.0 gflops
284.16 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
585 million
Pipelines / CUDA cores
800
96
Power consumption (TDP)
150 Watt
35 Watt
Texture fill rate
30.00
11.8 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1536 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
3600 MHz
900 MHz
Memory bandwidth
115.2 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 API
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
4.5
Shader Model
4.1
5.1
Vulkan
N/A
N/A
Optimus
-
+