
Radeon R9 M290X and GeForce GT 620 - video card comparison
Passmark - benchmark score Radeon R9 M290X vs GeForce GT 620
Radeon R9 M290X
3360
GeForce GT 620
388
Radeon R9 M290X
GeForce GT 620
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Neptune
GF108
Market segment
Laptop
Desktop
Release date
January 2014
May 2012
Bus support
PCIe 3.0 x16
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
900 MHz
-
Compute units
20
-
Core clock speed
850 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
2,304 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2,800 million
585 million
Pipelines / CUDA cores
1280
96
Power consumption (TDP)
100 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
72.00
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1200 MHz
1.8 GB/s
Memory bandwidth
153.6 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
Eyefinity
1
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.2
Shader Model
5.1
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-