Radeon RX 590 GME and Radeon 680M - video card comparison
Radeon RX 590 GME
Radeon 680M
Architecture
GCN 4.0 (2016−2020)
RDNA 2 (2020−2022)
GPU code name
Polaris 20
RDNA 2 Rembrandt
Market segment
Desktop
Laptop
Release date
March 2020
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x8
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1420 MHz
2400 MHz
Manufacturing process technology
14 nm
6 nm
Number of transistors
5,700 million
13,100 million
Pipelines / CUDA cores
2304
768
Power consumption (TDP)
175 Watt
45 Watt
Texture fill rate
204.5
115.2
Memory type
GDDR5
System Shared
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
8 GB/s
System Shared
Memory bandwidth
256.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI 2.0b, 3x DisplayPort 1.4a
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_1)
OpenCL
2.1
2.0
OpenGL
4.6
4.6
Shader Model
6.7
6.5
Vulkan
1.3
1.2