Radeon HD 7870 and Radeon R6 M340DX - video card comparison
Radeon HD 7870
Radeon R6 M340DX
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Pitcairn XT
Jet
Market segment
Desktop
Laptop
Release date
March 2012
June 2015
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 6-pin
-
Boost clock speed
-
1030 MHz
Core clock speed
1000 MHz
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2800 Million
690 million
Pipelines / CUDA cores
1280
704
Power consumption (TDP)
175 Watt
-
Texture fill rate
80.00
24.72
Memory type
GDDR5
DDR3
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 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131