Radeon R7 M270 and GeForce 820M - video card comparison
Passmark - benchmark score Radeon R7 M270 vs GeForce 820M
Radeon R7 M270
789
GeForce 820M
511
Radeon R7 M270
GeForce 820M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Opal XT / Mars
N15V-GM
Market segment
Laptop
Laptop
Release date
January 2014
January 2014
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Core clock speed
825 MHz
775 MHz
Floating-point performance
633.6 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
-
15 Watt
Texture fill rate
19.80
10.00
Memory type
Not Listed
DDR3
Maximum RAM amount
0 MB
2 GB
Memory bus width
Not Listed
64 Bit
Memory clock speed
-
1800 MHz
Memory bandwidth
28.8 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
DirectX® 11
12 (11_0)
CUDA
-
+
Mantle
+
-
OpenCL
Not Listed
1.1
OpenGL
4.4
4.5
Shader Model
5.1
5.1
Vulkan
-
N/A
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
GameWorks
-
+
GPU Boost
-
2.0
HD3D
+
-
Optimus
-
+
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-