
Radeon E8870 and Blackcomb - video card comparison
Radeon E8870
Blackcomb
Architecture
GCN 2.0 (2013−2017)
TeraScale 2 (2009−2015)
GPU code name
Saturn
Blackcomb
Market segment
Desktop
Desktop
Release date
September 2015
-
Interface
MXM-B (3.0)
-
Supplementary power connectors
None
-
Core clock speed
1000 MHz
-
Floating-point performance
1,536 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
1,700 million
Pipelines / CUDA cores
768
1120
Power consumption (TDP)
75 Watt
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Texture fill rate
48.00
-
Memory type
GDDR5
-
Maximum RAM amount
4 GB
-
Memory bus width
128 Bit
-
Memory clock speed
6000 MHz
-
Memory bandwidth
96 GB/s
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Display Connectors
No outputs
-
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.3
5.0
Vulkan
1.2.131
N/A