Radeon R9 280 and Radeon R7 240 - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon R7 240
Radeon R9 280
5726
Radeon R7 240
930
Radeon R9 280
Radeon R7 240
Architecture
GCN 1.0 (2012−2020)
GCN 1.0 (2012−2020)
GPU code name
Tahiti
Oland
Market segment
Desktop
Desktop
Release date
March 2014
October 2013
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
N/A
Boost clock speed
933 MHz
780 MHz
Floating-point performance
3,344 gflops
499.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
950 million
Pipelines / CUDA cores
1792
320
Power consumption (TDP)
200 Watt
50 Watt
Texture fill rate
104.5
14.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
3 GB
2 GB
Memory bus width
384 Bit
128 Bit
Memory clock speed
1250 MHz
1150 MHz
Memory bandwidth
240 GB/s
72 GB/s
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
1x DVI, 1x HDMI, 1x VGA
Eyefinity
1
-
HDMI
+
+
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 12
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
1
DDMA audio
+
+
Enduro
-
-
FreeSync
1
1
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-