Radeon HD 7870 and Radeon R5 Graphics - video card comparison
Radeon HD 7870
Radeon R5 Graphics
Architecture
GCN (2011−2017)
GCN 2.0 (2013−2017)
GPU code name
Pitcairn XT
Spectre SL
Market segment
Desktop
Desktop
Release date
March 2012
September 2014
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
720 MHz
Core clock speed
1000 MHz
497 MHz
Floating-point performance
-
388.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
2,410 million
Pipelines / CUDA cores
1280
256
Power consumption (TDP)
175 Watt
15 Watt
Texture fill rate
80.00
7.952
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
No outputs
Eyefinity
+
-
HDMI
+
-
DirectX
12 (11_1)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.0
Vulkan
1.2.131
1.2.131