AMD Instinct MI300A vs NVIDIA RTX A5500 Mobile
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 16GB VRAM RTX A5500 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Instinct MI300A 's Advantages
Released 1 years and 9 months late
Boost Clock has increased by 40% (2100MHz vs 1500MHz)
More VRAM (128GB vs 16GB)
Larger VRAM bandwidth (5300GB/s vs 512.0GB/s)
7168 additional rendering cores
NVIDIA RTX A5500 Mobile 's Advantages
Lower TDP (165W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+450%
122.6 TFLOPS
RTX A5500 Mobile
22.27 TFLOPS
Graphics Card
Dec 2023
Release Date
Mar 2022
Instinct
Generation
Ampere-MW
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
975 MHz
2100 MHz
Boost Clock
1500 MHz
5200 MHz
Memory Clock
2000 MHz
Memory
128GB
Memory Size
16GB
HBM3
Memory Type
GDDR6
8192bit
Memory Bus
256bit
5300GB/s
Bandwidth
512.0GB/s
Render Config
228
Compute Units
-
-
SM Count
58
14592
Shading Units
7424
880
TMUs
232
0
ROPs
96
-
Tensor Cores
232
-
RT Cores
58
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
144.0 GPixel/s
1496 GTexel/s
Texture Rate
348.0 GTexel/s
980.6 TFLOPS
FP16 (half)
22.27 TFLOPS
122.6 TFLOPS
FP32 (float)
22.27 TFLOPS
61.3 TFLOPS
FP64 (double)
348.0 GFLOPS
Board Design
760W
TDP
165W
1000 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
MI300
GPU Name
GA103
-
-
-
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
146 billion
Transistors
22 billion
1017 mm²
Die Size
496 mm²
Graphics Features
N/A
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
3.0
OpenCL
3.0
N/A
Vulkan
1.3
-
CUDA
8.6
N/A
Shader Model
6.8
