
Radeon HD 8990 OEM and Switch GPU - video card comparison
Radeon HD 8990 OEM
Switch GPU
Architecture
GCN 1.0 (2012−2020)
Maxwell 2.0 (2015−2019)
GPU code name
Malta
GM20B
Market segment
Desktop
Desktop
Release date
April 2013
March 2017
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
2x 8-pin
None
Boost clock speed
1000 MHz
768 MHz
Core clock speed
950 MHz
-
Floating-point performance
2x 4,096 gflops
-
Manufacturing process technology
28 nm
20 nm
Number of transistors
4,313 million
2,000 million
Pipelines / CUDA cores
2048
256
Power consumption (TDP)
375 Watt
15 Watt
Texture fill rate
128.0
12.29
Memory type
GDDR5
DDR4
Maximum RAM amount
3 GB
4 GB
Memory bus width
384 Bit
64 Bit
Memory clock speed
6000 MHz
3200 MHz
Memory bandwidth
288.0 GB/s
25.6 GB/s
Display Connectors
1x DVI, 4x mini-DisplayPort
No outputs
DirectX
12 (11_1)
12 (12_1)
CUDA
-
5.3
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.2.131
1.1.126