Radeon R7 240 and Radeon HD 6450 GDDR5 - video card comparison
Radeon R7 240
Radeon HD 6450 GDDR5
Architecture
GCN 1.0 (2012−2020)
Terascale 2 (2009−2015)
GPU code name
Oland
Caicos
Market segment
Desktop
Desktop
Release date
October 2013
April 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
-
Supplementary power connectors
N/A
-
Boost clock speed
780 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
499.2 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
320
160
Power consumption (TDP)
50 Watt
27 Watt
Texture fill rate
14.00
-
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1150 MHz
900 MHz
Memory bandwidth
72 GB/s
-
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 1x VGA
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
11
Mantle
-
-
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-