AMD Instinct MI300A vs NVIDIA RTX A500 Mobile
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 4GB VRAM RTX A500 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 37% (2100MHz vs 1537MHz)
More VRAM (128GB vs 4GB)
Larger VRAM bandwidth (5300GB/s vs 96.00GB/s)
12544 additional rendering cores
NVIDIA RTX A500 Mobile 's Advantages
Lower TDP (30W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+1847%
122.6 TFLOPS
RTX A500 Mobile
6.296 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 x8
Clock Speeds
1000 MHz
Base Clock
832 MHz
2100 MHz
Boost Clock
1537 MHz
5200 MHz
Memory Clock
1500 MHz
Memory
128GB
Memory Size
4GB
HBM3
Memory Type
GDDR6
8192bit
Memory Bus
64bit
5300GB/s
Bandwidth
96.00GB/s
Render Config
228
Compute Units
-
-
SM Count
16
14592
Shading Units
2048
880
TMUs
64
0
ROPs
32
-
Tensor Cores
64
-
RT Cores
16
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
2 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
49.18 GPixel/s
1496 GTexel/s
Texture Rate
98.37 GTexel/s
980.6 TFLOPS
FP16 (half)
6.296 TFLOPS
122.6 TFLOPS
FP32 (float)
6.296 TFLOPS
61.3 TFLOPS
FP64 (double)
98.37 GFLOPS
Board Design
760W
TDP
30W
1000 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
MI300
GPU Name
GA107S
-
-
-
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
146 billion
Transistors
8.7 billion
1017 mm²
Die Size
200 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
