
Radeon HD 7870 and Radeon 3000 IGP - video card comparison
Radeon HD 7870
Radeon 3000 IGP
Architecture
GCN (2011−2017)
TeraScale (2005−2013)
GPU code name
Pitcairn XT
RS780
Market segment
Desktop
Desktop
Release date
March 2012
2009
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
2x 6-pin
-
Core clock speed
1000 MHz
350 MHz
Manufacturing process technology
28 nm
65 nm
Number of transistors
2800 Million
180 million
Pipelines / CUDA cores
1280
40
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
1.400
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
4800 MHz
System Shared
Memory bandwidth
153.6 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 2x mini-DisplayPort
Motherboard Dependent
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
10.0 (10_0)
OpenCL
1.2
1.0
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.2.131
N/A