GeForce GT 620M and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce GT 620M vs Radeon HD 6450
GeForce GT 620M
447
Radeon HD 6450
203
GeForce GT 620M
Radeon HD 6450
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
N13P-GLP / N13M-GS
Caicos
Market segment
Laptop
Desktop
Release date
March 2012
April 2011
Bus support
PCI Express 2.0
PCIe 2.0 x8
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Boost clock speed
715 MHz
750 MHz
Core clock speed
Up to 625 MHz
-
CUDA cores
96
-
Floating-point performance
253.4 gflops
200.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
370 million
Pipelines / CUDA cores
96
160
Power consumption (TDP)
15 Watt
30 Watt
Texture fill rate
Up to 10.0 billion/sec
5.000
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
Up to 128bit
64 Bit
Memory clock speed
1800 MHz
800 MHz
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Memory bandwidth
Up to 28.8 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x VGA
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DisplayPort support
-
+
DirectX
12 API
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.5
4.4
Shader Model
5.1
5.0
Vulkan
N/A
-
3D Blu-Ray
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
Optimus
+
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-