Radeon R9 280X and Radeon R9 M280X - video card comparison
Passmark - benchmark score Radeon R9 280X vs Radeon R9 M280X
Radeon R9 280X
6012
Radeon R9 M280X
837
Radeon R9 280X
Radeon R9 M280X
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Thaiti XTL
Saturn XT
Market segment
Desktop
Laptop
Release date
October 2013
February 2015
Bus support
PCIe 3.0
Not Listed
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1 x 6-pin + 1 x 8-pin
-
Boost clock speed
1000 MHz
-
Core clock speed
-
900 MHz
Floating-point performance
4,096 gflops
1,792 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
4,313 million
2,080 million
Pipelines / CUDA cores
2048
896
Power consumption (TDP)
250 Watt
-
Texture fill rate
128.0
61.60
Memory type
GDDR5
Not Listed
Maximum RAM amount
3 GB
0 MB
Memory bus width
384 Bit
Not Listed
Memory bandwidth
288 GB/s
96 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
+
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
DirectX® 11
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.6
4.4
Shader Model
5.1
6.3
Vulkan
+
-
AppAcceleration
+
-
CrossFire
1
-
DDMA audio
+
-
DualGraphics
-
1
Enduro
-
-
FreeSync
1
1
HD3D
+
+
LiquidVR
1
-
PowerTune
-
+
Switchable graphics
-
1
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
+