AMD Radeon RX 6400 vs AMD Radeon RX 560D
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jul 2017
Generation
Navi II
Polaris
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x4
PCIe 3.0 x8
Clock Speeds
Base Clock
1923 MHz
1090 MHz
Boost Clock
2321 MHz
1175 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR6
GDDR5
Memory Bus
64bit
128bit
Bandwidth
128.0GB/s
96.00GB/s
Render Config
Compute Units
12
14
Shading Units
768
896
TMUs
48
56
ROPs
32
16
RT Cores
12
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
1024 KB
1024 KB
L3 Cache
16 MB
-
Theoretical Performance
Pixel Rate
74.27 GPixel/s
18.80 GPixel/s
Texture Rate
111.4 GTexel/s
65.80 GTexel/s
FP16 (half)
7.130 TFLOPS
2.106 TFLOPS
FP32 (float)
3.565 TFLOPS
2.106 TFLOPS
FP64 (double)
222.8 GFLOPS
131.6 GFLOPS
Graphics Processor
GPU Name
Navi 24
Polaris 21
GPU Variant
Navi 24 XL(215-135000046)
Polaris 21 XL
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
5.4 billion
3 billion
Die Size
107 mm²
123 mm²
Board Design
TDP
53W
65W
Suggested PSU
250 W
250 W
Outputs
1x HDMI 2.11x DisplayPort 1.4a
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.2
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4