AMD Radeon RX 580 OEM vs AMD Radeon RX 6400
GPU Specs Compare
Graphics Card
Release Date
Jun 2016
Jan 2022
Generation
Polaris
Navi II
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x4
Clock Speeds
Base Clock
1120 MHz
1923 MHz
Boost Clock
1266 MHz
2321 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
64bit
Bandwidth
256.0GB/s
128.0GB/s
Render Config
Compute Units
36
12
Shading Units
2304
768
TMUs
144
48
ROPs
32
32
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
2 MB
1024 KB
RT Cores
-
12
L3 Cache
-
16 MB
Theoretical Performance
Pixel Rate
40.51 GPixel/s
74.27 GPixel/s
Texture Rate
182.3 GTexel/s
111.4 GTexel/s
FP16 (half)
5.834 TFLOPS
7.130 TFLOPS
FP32 (float)
5.834 TFLOPS
3.565 TFLOPS
FP64 (double)
364.6 GFLOPS
222.8 GFLOPS
Graphics Processor
GPU Name
Ellesmere
Navi 24
GPU Variant
Polaris 10 XT(215-0876184)
Navi 24 XL(215-135000046)
Architecture
GCN 4.0
RDNA 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
6 nm
Transistors
5.7 billion
5.4 billion
Die Size
232 mm²
107 mm²
Board Design
TDP
150W
53W
Suggested PSU
450 W
250 W
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
1x HDMI 2.11x DisplayPort 1.4a
Power Connectors
1x 6-pin
None
Graphics Features
DirectX
12 (12_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.2
Vulkan
1.2
1.3
Shader Model
6.4
6.7