NVIDIA RTX A4 Mobile vs AMD Instinct MI300A
We compared two Professional market GPUs: 4GB VRAM RTX A4 Mobile and 128GB VRAM AMD Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Instinct MI300A 's Advantages
Released 2 years and 8 months late
Boost Clock has increased by 19% (2100MHz vs 1770MHz)
More VRAM (128GB vs 4GB)
Larger VRAM bandwidth (5300GB/s vs 224.0GB/s)
12544 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A4 Mobile
7.25 TFLOPS
AMD Instinct MI300A
+1591%
122.6 TFLOPS
Graphics Card
Apr 2021
Release Date
Dec 2023
Quadro Ampere-M
Generation
Instinct
Professional
Type
Professional
PCIe 4.0 x8
Bus Interface
PCIe 5.0 x16
Clock Speeds
1297 MHz
Base Clock
1000 MHz
1770 MHz
Boost Clock
2100 MHz
1750 MHz
Memory Clock
5200 MHz
Memory
4GB
Memory Size
128GB
GDDR6
Memory Type
HBM3
128bit
Memory Bus
8192bit
224.0GB/s
Bandwidth
5300GB/s
Render Config
-
Compute Units
228
16
SM Count
-
2048
Shading Units
14592
64
TMUs
880
32
ROPs
0
64
Tensor Cores
-
16
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
16 MB
-
-
-
Theoretical Performance
56.64 GPixel/s
Pixel Rate
0 MPixel/s
113.3 GTexel/s
Texture Rate
1496 GTexel/s
7.250 TFLOPS
FP16 (half)
980.6 TFLOPS
7.250 TFLOPS
FP32 (float)
122.6 TFLOPS
113.3 GFLOPS
FP64 (double)
61.3 TFLOPS
Board Design
Unknown
TDP
760W
-
Suggested PSU
1000 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GA107
GPU Name
MI300
-
-
-
Ampere
Architecture
CDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
8.7 billion
Transistors
146 billion
200 mm²
Die Size
1017 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
N/A
4.6
OpenGL
N/A
3.0
OpenCL
3.0
1.3
Vulkan
N/A
8.6
CUDA
-
6.7
Shader Model
N/A
