Radeon HD 4870 and Radeon HD 4250 - video card comparison
Passmark - benchmark score Radeon HD 4870 vs Radeon HD 4250
Radeon HD 4870
1411
Radeon HD 4250
126
Radeon HD 4870
Radeon HD 4250
Architecture
TeraScale (2005−2013)
RV6xx (2007−2010)
GPU code name
RV770
RS880M
Market segment
Desktop
Laptop
Release date
June 2008
May 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
None
Core clock speed
750 MHz
500 MHz
Floating-point performance
1,200.0 gflops
47.52 gflops
Manufacturing process technology
55 nm
55 nm
Number of transistors
956 million
181 million
Pipelines / CUDA cores
800
40
Power consumption (TDP)
150 Watt
25 Watt
Texture fill rate
30.00
2.376
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
3600 MHz
792 MHz
Memory bandwidth
115.2 GB/s
6.336 GB/s
Shared memory
-
+
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x VGA, 1x S-Video
DirectX
10.1 (10_1)
10.1 (10_1)
OpenCL
1.1
N/A
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A