Radeon R9 M385X and GeForce GT 620M - video card comparison
Passmark - benchmark score Radeon R9 M385X vs GeForce GT 620M
Radeon R9 M385X
2053
GeForce GT 620M
447
Radeon R9 M385X
GeForce GT 620M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Strato-XT-M3
N13P-GLP / N13M-GS
Market segment
Laptop
Laptop
Release date
June 2015
March 2012
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Boost clock speed
1100 MHz
715 MHz
Core clock speed
1100 MHz
Up to 625 MHz
CUDA cores
-
96
Floating-point performance
1,971 gflops
253.4 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,080 million
585 million
Pipelines / CUDA cores
896
96
Power consumption (TDP)
-
15 Watt
Texture fill rate
61.60
Up to 10.0 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
Up to 128bit
Memory clock speed
1500 MHz
1800 MHz
Memory bandwidth
76.8 GB/s
Up to 28.8 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
3D Blu-Ray
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-