
Radeon HD 6450 and Radeon R5 340 OEM - video card comparison
Radeon HD 6450
Radeon R5 340 OEM
Architecture
TeraScale 2 (2009−2015)
GCN 1.0 (2012−2020)
GPU code name
Caicos
Oland
Market segment
Desktop
Desktop
Release date
April 2011
May 2015
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
780 MHz
Core clock speed
-
730 MHz
Floating-point performance
200.0 gflops
599.0 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
370 million
950 million
Pipelines / CUDA cores
160
384
Power consumption (TDP)
30 Watt
65 Watt
Texture fill rate
5.000
18.72
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
800 MHz
4600 MHz
Memory bandwidth
25.6 GB/s
36.8 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 DisplayPort
Eyefinity
1
-
Number of Eyefinity displays
4
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 11
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
-
1.2.131
AppAcceleration
-
-
CrossFire
1
-
Enduro
-
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-