GeForce GT 620 and Radeon HD 6450 - video card comparison
Passmark - benchmark score GeForce GT 620 vs Radeon HD 6450
GeForce GT 620
388
Radeon HD 6450
203
GeForce GT 620
Radeon HD 6450
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF108
Caicos
Market segment
Desktop
Desktop
Release date
May 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
None
Boost clock speed
-
750 MHz
Core clock speed
700 MHz
-
CUDA cores
96
-
Floating-point performance
268.8 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)
49 Watt
30 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
5.000
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1.8 GB/s
800 MHz
Memory bandwidth
14.4 GB/s
25.6 GB/s
Memory bandwidth
-
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
Display Connectors
Dual Link DVI-I, HDMI, VGA
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
Eyefinity
-
1
Number of Eyefinity displays
-
4
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
DisplayPort support
-
+
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
DirectX® 11
CUDA
+
-
Mantle
-
-
OpenCL
1.1
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
N/A
-
3D Blu-Ray
+
-
AppAcceleration
-
-
CrossFire
-
1
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-