Radeon R7 250 and Radeon HD 5450 PCI - video card comparison
Radeon R7 250
Radeon HD 5450 PCI
Architecture
GCN (2011−2017)
TeraScale 2 (2009−2015)
GPU code name
Oland XT
Cedar
Market segment
Desktop
Desktop
Release date
October 2013
February 2010
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCI
Supplementary power connectors
N/A
None
Boost clock speed
1050 MHz
-
Core clock speed
-
650 MHz
Floating-point performance
716.8 gflops
104 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
292 million
Pipelines / CUDA cores
384
80
Power consumption (TDP)
75 Watt
19 Watt
Texture fill rate
25.20
5.200
Memory type
DDR3, GDDR5
DDR2
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1150 MHz
666 MHz
Memory bandwidth
72 GB/s
5.328 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
11.2 (11_0)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
-
N/A
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-