
Radeon R9 270 and Radeon R5 M420 - video card comparison
Passmark - benchmark score Radeon R9 270 vs Radeon R5 M420
Radeon R9 270
4435
Radeon R5 M420
501
Radeon R9 270
Radeon R5 M420
Architecture
GCN 1.0 (2012−2020)
GCN (2011−2017)
GPU code name
Curacao
Jet
Market segment
Desktop
Laptop
Release date
November 2013
June 2016
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x16
PCIe 3.0 x8
Supplementary power connectors
1 x 6-pin
-
Boost clock speed
925 MHz
850 MHz
Core clock speed
-
780 MHz
Floating-point performance
2,368 gflops
547.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,800 million
690 million
Pipelines / CUDA cores
1280
320
Power consumption (TDP)
150 Watt
-
Texture fill rate
74.00
17.00
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
-
2000 MHz
Memory bandwidth
179.2 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
Eyefinity
1
-
HDMI
+
-
DisplayPort support
+
-
DirectX
DirectX® 12
12 (11_1)
Mantle
-
-
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
+
1.2.131
AppAcceleration
-
-
CrossFire
1
-
DDMA audio
+
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
LiquidVR
1
-
PowerTune
-
-
TressFX
1
-
TrueAudio
+
-
UVD
+
-
ZeroCore
-
-