NVIDIA RTX A4000 Mobile vs AMD Instinct MI300A
We compared two Professional market GPUs: 8GB VRAM RTX A4000 Mobile and 128GB VRAM AMD Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A4000 Mobile 's Advantages
Lower TDP (115W vs 760W)
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
Score
Benchmark
FP32 (float)
RTX A4000 Mobile
17.2 TFLOPS
AMD Instinct MI300A
+612%
122.6 TFLOPS
Graphics Card
Apr 2021
Release Date
Dec 2023
Ampere-MW
Generation
Instinct
Professional
Type
Professional
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1140 MHz
Base Clock
1000 MHz
1680 MHz
Boost Clock
2100 MHz
1500 MHz
Memory Clock
5200 MHz
Memory
8GB
Memory Size
128GB
GDDR6
Memory Type
HBM3
256bit
Memory Bus
8192bit
384.0GB/s
Bandwidth
5300GB/s
Render Config
-
Compute Units
228
40
SM Count
-
5120
Shading Units
14592
160
TMUs
880
80
ROPs
0
160
Tensor Cores
-
40
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
16 MB
-
-
-
Theoretical Performance
134.4 GPixel/s
Pixel Rate
0 MPixel/s
268.8 GTexel/s
Texture Rate
1496 GTexel/s
17.20 TFLOPS
FP16 (half)
980.6 TFLOPS
17.20 TFLOPS
FP32 (float)
122.6 TFLOPS
268.8 GFLOPS
FP64 (double)
61.3 TFLOPS
Board Design
115W
TDP
760W
-
Suggested PSU
1000 W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GA104
GPU Name
MI300
-
-
-
Ampere
Architecture
CDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
17.4 billion
Transistors
146 billion
392 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
-
6.8
Shader Model
N/A
