Radeon 530 and Mobility Radeon HD 3870 - video card comparison
Radeon 530
Mobility Radeon HD 3870
Architecture
GCN (2011−2017)
RV6xx (2007−2010)
GPU code name
Meso
M88-XT
Market segment
Laptop
Laptop
Release date
March 2017
March 2008
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
None
-
Boost clock speed
1024 MHz
-
Core clock speed
1024 MHz
660 MHz
Floating-point performance
784.1 gflops
422.4 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,550 million
666 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
50 Watt
55 Watt
Texture fill rate
24.50
10.56
Memory type
DDR3/GDDR5
GDDR3
Maximum RAM amount
4 GB
512 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
2250 MHz
850 MHz
Memory bandwidth
28.8 GB/s
54.4 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12.0
10.1 (10_1)
OpenCL
2.0
N/A
OpenGL
4.5
3.3
Shader Model
5.0
4.1
Vulkan
+
N/A