
GRID K520 and Radeon RX 6400 - video card comparison
Passmark - benchmark score GRID K520 vs Radeon RX 6400
GRID K520
3621
Radeon RX 6400
7776
GRID K520
Radeon RX 6400
Architecture
Kepler (2012−2018)
RDNA 2.0 (2020−2022)
GPU code name
GK104
Navi 24
Market segment
Workstation
Desktop
Release date
July 2013
January 2022
Interface
PCIe 3.0 x16
PCIe 4.0 x4
Supplementary power connectors
1x 8-pin
None
Boost clock speed
-
2321 MHz
Core clock speed
745 MHz
-
Floating-point performance
2x 2,448 gflops
-
Manufacturing process technology
28 nm
6 nm
Number of transistors
3,540 million
5,400 million
Pipelines / CUDA cores
1536
768
Power consumption (TDP)
225 Watt
53 Watt
Texture fill rate
95.36
111.4
Memory type
GDDR5
GDDR6
Maximum RAM amount
4 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
5000 MHz
16 GB/s
Memory bandwidth
160.0 GB/s
128.0 GB/s
Display Connectors
No outputs
1x HDMI 2.1, 1x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_0)
12 Ultimate (12_2)
CUDA
3.0
-
OpenCL
1.2
2.2
OpenGL
4.6
4.6
Shader Model
5.1
6.6
Vulkan
1.1.126
1.3