Radeon HD 8400 and Radeon HD 8990 OEM - video card comparison
Radeon HD 8400
Radeon HD 8990 OEM
Architecture
GCN (2011−2017)
GCN 1.0 (2012−2020)
GPU code name
Kabini
Malta
Market segment
Laptop
Desktop
Release date
May 2013
April 2013
Interface
IGP
PCIe 3.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
-
1000 MHz
Core clock speed
600 MHz
950 MHz
Floating-point performance
-
2x 4,096 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,178 million
4,313 million
Pipelines / CUDA cores
128
2048
Power consumption (TDP)
25 Watt
375 Watt
Texture fill rate
3.200
128.0
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
3 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
6000 MHz
Memory bandwidth
-
288.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 4x mini-DisplayPort
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.3
5.1
Vulkan
1.2.131
1.2.131