Radeon R7 M445 and GeForce 820M - video card comparison
Passmark - benchmark score Radeon R7 M445 vs GeForce 820M
Radeon R7 M445
971
GeForce 820M
511
Radeon R7 M445
GeForce 820M
Architecture
GCN (2011−2017)
Fermi (2010−2014)
GPU code name
Meso
N15V-GM
Market segment
Laptop
Laptop
Release date
May 2016
January 2014
Bus support
-
PCI Express 2.0
Interface
PCIe 3.0 x8
PCIe 2.0 x16
Boost clock speed
920 MHz
-
Core clock speed
920 MHz
775 MHz
Floating-point performance
588.8 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
585 million
Pipelines / CUDA cores
320
96
Power consumption (TDP)
15-25 Watt
15 Watt
Texture fill rate
18.40
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
2000 MHz
1800 MHz
Memory bandwidth
32 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.0
5.1
Vulkan
1.2.131
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+