Radeon R9 280 and Radeon R7 M270 - video card comparison
Passmark - benchmark score Radeon R9 280 vs Radeon R7 M270
Radeon R9 280
5726
Radeon R7 M270
789
Radeon R9 280
Radeon R7 M270
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Tahiti
Opal XT / Mars
Market segment
Desktop
Laptop
Release date
March 2014
January 2014
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
-
Boost clock speed
933 MHz
-
Core clock speed
-
825 MHz
Floating-point performance
3,344 gflops
633.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
950 million
Pipelines / CUDA cores
1792
384
Power consumption (TDP)
200 Watt
-
Texture fill rate
104.5
19.80
Memory type
GDDR5
Not Listed
Maximum RAM amount
3 GB
0 MB
Memory bus width
384 Bit
Not Listed
Memory clock speed
1250 MHz
-
Memory bandwidth
240 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 2x mini-DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
-
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.1
5.1
Vulkan
+
-
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
LiquidVR
1
-
PowerTune
-
+
Switchable graphics
-
1
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
+