Radeon R9 M395X and Radeon HD 7870 - video card comparison
Passmark - benchmark score Radeon R9 M395X vs Radeon HD 7870
Radeon R9 M395X
5350
Radeon HD 7870
4779
Radeon R9 M395X
Radeon HD 7870
Architecture
GCN 3 (2014−2016)
GCN (2011−2017)
GPU code name
Amethyst XT
Pitcairn XT
Market segment
Laptop
Desktop
Release date
October 2014
March 2012
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
Core clock speed
723 MHz
1000 MHz
Floating-point performance
2,961 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
5,000 million
2800 Million
Pipelines / CUDA cores
2048
1280
Power consumption (TDP)
250 Watt
175 Watt
Texture fill rate
92.54
80.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1250 MHz
4800 MHz
Memory bandwidth
160.0 GB/s
153.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 2x mini-DisplayPort
Eyefinity
1
+
HDMI
-
+
DirectX
DirectX® 12
12 (11_1)
Mantle
+
-
OpenCL
Not Listed
1.2
OpenGL
4.4
4.6
Shader Model
6.3
5.1
Vulkan
-
1.2.131
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
+
-
ZeroCore
+
-