Radeon R7 M270 and Radeon 680M - video card comparison
Passmark - benchmark score Radeon R7 M270 vs Radeon 680M
Radeon R7 M270
789
Radeon 680M
6351
Radeon R7 M270
Radeon 680M
Architecture
GCN (2011−2017)
RDNA 2 (2020−2022)
GPU code name
Opal XT / Mars
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
January 2014
January 2022
Bus support
PCIe 3.0
-
Interface
PCIe 3.0 x8
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
2400 MHz
Core clock speed
825 MHz
-
Floating-point performance
633.6 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
950 million
13,100 million
Pipelines / CUDA cores
384
768
Power consumption (TDP)
-
45 Watt
Texture fill rate
19.80
115.2
Memory type
Not Listed
System Shared
Maximum RAM amount
0 MB
System Shared
Memory bus width
Not Listed
System Shared
Memory clock speed
-
System Shared
Memory bandwidth
28.8 GB/s
-
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
DirectX® 11
12 (12_1)
Mantle
+
-
OpenCL
Not Listed
2.0
OpenGL
4.4
4.6
Shader Model
5.1
6.5
Vulkan
-
1.2
AppAcceleration
-
-
DualGraphics
1
-
Enduro
-
-
FreeSync
1
-
HD3D
+
-
PowerTune
+
-
Switchable graphics
1
-
TrueAudio
-
-
ZeroCore
+
-