Radeon R9 270X and Radeon R9 M270X - video card comparison
Passmark - benchmark score Radeon R9 270X vs Radeon R9 M270X
Radeon R9 270X
5036
Radeon R9 M270X
1240
Radeon R9 270X
Radeon R9 M270X
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Curacao XT
Venus
Market segment
Desktop
Desktop
Release date
October 2013
March 2014
Bus support
PCIe 3.0
PCIe 3.0 x16
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
2 x 6-pin
-
Boost clock speed
1050 MHz
775 MHz
Compute units
-
10
Core clock speed
-
725 MHz
Floating-point performance
2,688 gflops
1,536 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
1,500 million
Pipelines / CUDA cores
1280
640
Power consumption (TDP)
180 Watt
-
Texture fill rate
84.00
31.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
-
1125 MHz
Memory bandwidth
179.2 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x 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
-
+