GeForce 820M and Radeon 780M - video card comparison
Passmark - benchmark score GeForce 820M vs Radeon 780M
GeForce 820M
511
Radeon 780M
7300
GeForce 820M
Radeon 780M
Architecture
Fermi (2010−2014)
RDNA 3
GPU code name
N15V-GM
Phoenix
Market segment
Laptop
Laptop
Release date
January 2014
January 2023
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
3000 MHz
Core clock speed
775 MHz
1500 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
4 nm
Number of transistors
585 million
25,390 million
Pipelines / CUDA cores
96
768
Power consumption (TDP)
15 Watt
54 Watt (35 - 54 Watt TGP)
Texture fill rate
10.00
139.2
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
64 Bit
System Shared
Memory clock speed
1800 MHz
System Shared
Memory bandwidth
14.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
Portable Device Dependent
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
+
-
OpenCL
1.1
2.1
OpenGL
4.5
4.6
Shader Model
5.1
6.7
Vulkan
N/A
1.3
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-