Radeon E8950 and Radeon HD 7870 - video card comparison
Radeon E8950
Radeon HD 7870
Architecture
GCN 3.0 (2014−2017)
GCN (2011−2017)
GPU code name
Amethyst
Pitcairn XT
Market segment
Desktop
Desktop
Release date
September 2015
March 2012
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
Boost clock speed
1000 MHz
-
Core clock speed
735 MHz
1000 MHz
Floating-point performance
4,096 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2800 Million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
95 Watt
175 Watt
Texture fill rate
128.0
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
6000 MHz
4800 MHz
Memory bandwidth
192.0 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
-
+
HDMI
-
+
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131