Radeon HD 8470 OEM and Radeon HD 8870 OEM - video card comparison
Radeon HD 8470 OEM
Radeon HD 8870 OEM
Architecture
TeraScale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Caicos
Pitcairn
Market segment
Desktop
Desktop
Release date
January 2013
January 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
Core clock speed
775 MHz
1000 MHz
Floating-point performance
248.0 gflops
2,560 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
370 million
2,800 million
Pipelines / CUDA cores
160
1280
Power consumption (TDP)
35 Watt
175 Watt
Texture fill rate
6.200
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
3200 MHz
4800 MHz
Memory bandwidth
25.6 GB/s
153.6 GB/s
Display Connectors
1x DVI, 1x HDMI
1x DVI, 1x HDMI, 2x mini-DisplayPort
HDMI
+
+
DirectX
11.2 (11_0)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.2.131