Radeon R7 240 and Radeon HD 4870 Mac Edition - video card comparison
Radeon R7 240
Radeon HD 4870 Mac Edition
Architecture
GCN 1.0 (2012−2020)
TeraScale (2005−2013)
GPU code name
Oland
RV770
Market segment
Desktop
Desktop
Release date
October 2013
January 2009
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Supplementary power connectors
N/A
2x 6-pin
Boost clock speed
780 MHz
-
Core clock speed
-
750 MHz
Floating-point performance
499.2 gflops
1,200.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
950 million
956 million
Pipelines / CUDA cores
320
800
Power consumption (TDP)
50 Watt
150 Watt
Texture fill rate
14.00
30.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
512 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1150 MHz
3400 MHz
Memory bandwidth
72 GB/s
108.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x mini-DisplayPort
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
10.1 (10_1)
Mantle
-
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
-
N/A
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-