Radeon R9 M385 and Radeon R7 M340 - video card comparison
Passmark - benchmark score Radeon R9 M385 vs Radeon R7 M340
Radeon R9 M385
2122
Radeon R7 M340
679
Radeon R9 M385
Radeon R7 M340
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Strato
Meso Pro DDR3
Market segment
Laptop
Laptop
Release date
June 2015
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1100 MHz
1021 MHz
Compute units
-
6
Core clock speed
-
1021 MHz
Floating-point performance
1,792 gflops
549.1 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
950 million
Pipelines / CUDA cores
896
320
Texture fill rate
56.00
17.16
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1500 MHz
1000 MHz
Memory bandwidth
76.8 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
1
DirectX
DirectX® 12
DirectX® 12
Mantle
+
+
OpenCL
Not Listed
Not Listed
OpenGL
4.4
4.4
Shader Model
6.3
5.1
Vulkan
-
+
AppAcceleration
-
-
DualGraphics
1
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
PowerTune
+
+
Switchable graphics
1
1
TrueAudio
+
-
ZeroCore
+
+