Radeon HD 6450 and Radeon 550 - video card comparison
Passmark - benchmark score Radeon HD 6450 vs Radeon 550
Radeon HD 6450
203
Radeon 550
2018
Radeon HD 6450
Radeon 550
Architecture
TeraScale 2 (2009−2015)
GCN 4.0 (2016−2020)
GPU code name
Caicos
Lexa
Market segment
Desktop
Desktop
Release date
April 2011
April 2017
Bus support
PCIe 2.0 x8
-
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Supplementary power connectors
None
None
Boost clock speed
750 MHz
1183 MHz
Core clock speed
-
1100 MHz
Floating-point performance
200.0 gflops
-
Manufacturing process technology
40 nm
14 nm
Number of transistors
370 million
2,200 million
Pipelines / CUDA cores
160
512
Power consumption (TDP)
30 Watt
50 Watt
Texture fill rate
5.000
37.86
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
7 GB/s
Memory bandwidth
25.6 GB/s
56 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
1x DVI, 1x HDMI 2.0b, 1x DisplayPort 1.4a
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
+
DisplayPort support
+
-
DirectX
DirectX® 11
12 (12_0)
Mantle
-
-
OpenCL
1.2
2.1
OpenGL
4.4
4.6
Shader Model
5.0
6.7
Vulkan
-
1.3
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-