GeForce 8400M G and Radeon RX 580X Mobile - video card comparison
GeForce 8400M G
Radeon RX 580X Mobile
Architecture
Tesla (2006−2010)
Polaris (2016−2019)
GPU code name
G86M
Polaris
Market segment
Laptop
Laptop
Release date
May 2007
January 2019
Interface
PCIe 1.0 x16
MXM-B (3.0)
Supplementary power connectors
None
-
Boost clock speed
-
1340 MHz
Core clock speed
400 MHz
-
Floating-point performance
12.8 gflops
-
Manufacturing process technology
80 nm
14 nm
Number of transistors
210 million
5,700 million
Pipelines / CUDA cores
8
2304
Power consumption (TDP)
10 Watt
65-110 Watt
Texture fill rate
3.200
155.1
Memory type
GDDR3 / GDDR2
GDDR5
Maximum RAM amount
256 MB
8 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
600 MHz
8000 MHz
Memory bandwidth
6.4 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
11.1 (10_0)
12 (12_0)
CUDA
1.1
-
OpenCL
1.1
2.0
OpenGL
3.3
4.6
Shader Model
4.0
6.4
Vulkan
N/A
1.2.131