AMD Radeon RX 560X Mobile vs AMD Radeon Instinct MI355X
GPU Specs Compare
Graphics Card
Release Date
Jan 2019
Jun 2025
Generation
Mobility Radeon
Radeon Instinct
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1750 MHz
2000 MHz
Base Clock
-
1000 MHz
Boost Clock
-
2400 MHz
Memory
Memory Size
4GB
288GB
Memory Type
GDDR5
HBM3e
Memory Bus
128bit
8192bit
Bandwidth
112.0GB/s
8.19TB/s
Render Config
Compute Units
14
256
Shading Units
896
16384
TMUs
56
1024
ROPs
16
0
L1 Cache
16 KB (per CU)
32 KB (per CU)
L2 Cache
1024 KB
32 MB
Tensor Cores
-
1216
L3 Cache
-
256 MB
Theoretical Performance
Pixel Rate
19.57 GPixel/s
0 MPixel/s
Texture Rate
68.49 GTexel/s
2457.6 GTexel/s
FP16 (half)
2.192 TFLOPS
78.64 TFLOPS
FP32 (float)
2.192 TFLOPS
78.64 TFLOPS
FP64 (double)
137.0 GFLOPS
39.32 TFLOPS
Graphics Processor
GPU Name
Polaris 31
MI350 256CU
GPU Variant
Polaris 31 MXL
-
Architecture
GCN 4.0
CDNA 4.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
3 nm
Transistors
3 billion
185 billion
Die Size
123 mm²
Unknown
Board Design
TDP
65W
1400W
Outputs
No outputs
No outputs
Power Connectors
None
None
Suggested PSU
-
1800 W
Graphics Features
DirectX
12 (12_0)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.2
N/A
Shader Model
6.4
N/A