GeForce 820M and Radeon HD 8450G + Radeon HD 8570M Dual Graphics - video card comparison
GeForce 820M
Radeon HD 8450G + Radeon HD 8570M Dual Graphics
Architecture
Fermi (2010−2014)
Terascale 3 / GCN (2012)
GPU code name
N15V-GM
-
Market segment
Laptop
Laptop
Release date
January 2014
March 2012
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
-
Core clock speed
775 MHz
720 / 650 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
-
Pipelines / CUDA cores
96
576
Power consumption (TDP)
15 Watt
-
Texture fill rate
10.00
-
Memory type
DDR3
-
Maximum RAM amount
2 GB
-
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
14.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_0)
11
CUDA
+
-
OpenCL
1.1
-
OpenGL
4.5
-
Shader Model
5.1
-
Vulkan
N/A
-
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-