Radeon R7 240 and Radeon HD 6490M Mac Edition - video card comparison
Radeon R7 240
Radeon HD 6490M Mac Edition
Architecture
GCN 1.0 (2012−2020)
TeraScale 2 (2009−2015)
GPU code name
Oland
Seymour
Market segment
Desktop
Desktop
Release date
October 2013
May 2011
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
N/A
-
Boost clock speed
780 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
499.2 gflops
240 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
950 million
370 million
Pipelines / CUDA cores
320
160
Power consumption (TDP)
50 Watt
-
Texture fill rate
14.00
6.000
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1150 MHz
3176 MHz
Memory bandwidth
72 GB/s
25.41 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
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
-
-