Radeon R9 M385X and Radeon R9 M275 - video card comparison
Passmark - benchmark score Radeon R9 M385X vs Radeon R9 M275
Radeon R9 M385X
2053
Radeon R9 M275
1147
Radeon R9 M385X
Radeon R9 M275
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Strato-XT-M3
Venus
Market segment
Laptop
Laptop
Release date
June 2015
August 2014
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Boost clock speed
1100 MHz
925 MHz
Core clock speed
1100 MHz
925 MHz
Floating-point performance
1,971 gflops
1,184 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,080 million
1,500 million
Pipelines / CUDA cores
896
640
Texture fill rate
61.60
37.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1500 MHz
4500 MHz
Memory bandwidth
76.8 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
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
+
-