Radeon HD 6450 and HD Graphics P4000 - video card comparison
Passmark - benchmark score Radeon HD 6450 vs HD Graphics P4000
Radeon HD 6450
203
HD Graphics P4000
531
Radeon HD 6450
HD Graphics P4000
Architecture
TeraScale 2 (2009−2015)
Generation 7.0 (2012)
GPU code name
Caicos
Ivy Bridge GT2
Market segment
Desktop
Desktop
Release date
April 2011
May 2012
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
750 MHz
1250 MHz
Core clock speed
-
650 MHz
Floating-point performance
200.0 gflops
-
Manufacturing process technology
40 nm
22 nm
Number of transistors
370 million
1,200 million
Pipelines / CUDA cores
160
128
Power consumption (TDP)
30 Watt
45 Watt
Texture fill rate
5.000
20.00
Memory type
GDDR5
System Shared
Maximum RAM amount
1 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
800 MHz
System Shared
Memory bandwidth
25.6 GB/s
-
Memory bandwidth
8.5-12.8 GB/x (DDR3) or 25.6-28.8 GB/s (GDDR5)
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
11.1 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.0
Shader Model
5.0
5.0
Vulkan
-
1.1.80
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-