Radeon HD 8400 and Radeon 660M - video card comparison
Passmark - benchmark score Radeon HD 8400 vs Radeon 660M
Radeon HD 8400
273
Radeon 660M
6474
Radeon HD 8400
Radeon 660M
Architecture
GCN (2011−2017)
RDNA 2 (2020−2022)
GPU code name
Kabini
RDNA 2 Rembrandt
Market segment
Laptop
Laptop
Release date
May 2013
January 2022
Interface
IGP
PCIe 4.0 x8
Supplementary power connectors
-
None
Boost clock speed
-
1900 MHz
Core clock speed
600 MHz
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
1,178 million
13,100 million
Pipelines / CUDA cores
128
384
Power consumption (TDP)
25 Watt
45 Watt
Texture fill rate
3.200
45.60
Memory type
System Shared
System Shared
Maximum RAM amount
System Shared
System Shared
Memory bus width
System Shared
System Shared
Memory clock speed
System Shared
System Shared
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.5
Vulkan
1.2.131
1.2