AMD Instinct MI300A vs NVIDIA RTX A4000 Mobile
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 8GB VRAM RTX A4000 Mobile 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 25% (2100MHz vs 1680MHz)
More VRAM (128GB vs 8GB)
Larger VRAM bandwidth (5300GB/s vs 384.0GB/s)
9472 additional rendering cores
NVIDIA RTX A4000 Mobile 's Advantages
Lower TDP (115W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+612%
122.6 TFLOPS
RTX A4000 Mobile
17.2 TFLOPS
Graphics Card
Dec 2023
Release Date
Apr 2021
Instinct
Generation
Ampere-MW
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
1140 MHz
2100 MHz
Boost Clock
1680 MHz
5200 MHz
Memory Clock
1500 MHz
Memory
128GB
Memory Size
8GB
HBM3
Memory Type
GDDR6
8192bit
Memory Bus
256bit
5300GB/s
Bandwidth
384.0GB/s
Render Config
228
Compute Units
-
-
SM Count
40
14592
Shading Units
5120
880
TMUs
160
0
ROPs
80
-
Tensor Cores
160
-
RT Cores
40
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
134.4 GPixel/s
1496 GTexel/s
Texture Rate
268.8 GTexel/s
980.6 TFLOPS
FP16 (half)
17.20 TFLOPS
122.6 TFLOPS
FP32 (float)
17.20 TFLOPS
61.3 TFLOPS
FP64 (double)
268.8 GFLOPS
Board Design
760W
TDP
115W
1000 W
Suggested PSU
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
MI300
GPU Name
GA104
-
-
-
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
146 billion
Transistors
17.4 billion
1017 mm²
Die Size
392 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
