Radeon R9 M385X and GeForce GTX 675M - video card comparison
Passmark - benchmark score Radeon R9 M385X vs GeForce GTX 675M
Radeon R9 M385X
2053
GeForce GTX 675M
1987
Radeon R9 M385X
GeForce GTX 675M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Strato-XT-M3
N13E-GS1
Market segment
Laptop
Laptop
Release date
June 2015
March 2012
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
MXM-B (3.0)
SLI options
-
+
Boost clock speed
1100 MHz
-
Core clock speed
1100 MHz
620 MHz
CUDA cores
-
384
Floating-point performance
1,971 gflops
952.3 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
1,950 million
Pipelines / CUDA cores
896
384
Power consumption (TDP)
-
100 Watt
Texture fill rate
61.60
39.7 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
128 Bit
256bit
Memory clock speed
1500 MHz
1500 MHz
Memory bandwidth
76.8 GB/s
96.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
DirectX® 12
12 API
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
6.3
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-