AMD Radeon Instinct MI300X vs AMD Radeon 550X Mobile
GPU · Specs Compare
Graphics Card
Release Date
Dec 2023
Apr 2018
Generation
Radeon Instinct
Mobility Radeon
Type
Professional
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x8
Clock Speeds
Base Clock
1000 MHz
1100 MHz
Boost Clock
2100 MHz
1287 MHz
Memory Clock
1300 MHz
1500 MHz
Memory
Memory Size
192GB
4GB
Memory Type
HBM3
GDDR5
Memory Bus
8192bit
64bit
Bandwidth
5.32TB/s
48.00GB/s
Render Config
Compute Units
304
10
Shading Units
19456
640
TMUs
1216
40
ROPs
0
16
Tensor Cores
1216
—
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
16 MB
256 KB
L3 Cache
256 MB
—
Theoretical Performance
Pixel Rate
0 MPixel/s
20.59 GPixel/s
Texture Rate
2553.6 GTexel/s
51.48 GTexel/s
FP16 (half)
81.72 TFLOPS
1.647 TFLOPS
FP32 (float)
81.72 TFLOPS
1.647 TFLOPS
FP64 (double)
40.86 TFLOPS
103.0 GFLOPS
Graphics Processor
GPU Name
Aqua Vanjaram
Polaris 23
Architecture
CDNA 3.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
153 billion
2.2 billion
Die Size
1017 mm²
103 mm²
GPU Variant
—
Polaris 23 MXT
Board Design
TDP
750W
50W
Suggested PSU
1150 W
—
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
N/A
12 (12_0)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2
Shader Model
N/A
6.4
▲ Specs Compare
Data sourced from official specifications and benchmark tests.