AMD Instinct MI300A vs NVIDIA RTX A4000
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 16GB VRAM RTX A4000 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 35% (2100MHz vs 1560MHz)
More VRAM (128GB vs 16GB)
Larger VRAM bandwidth (5300GB/s vs 448.0GB/s)
8448 additional rendering cores
NVIDIA RTX A4000 's Advantages
Lower TDP (140W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+539%
122.6 TFLOPS
RTX A4000
19.17 TFLOPS
Graphics Card
Dec 2023
Release Date
Apr 2021
Instinct
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
735 MHz
2100 MHz
Boost Clock
1560 MHz
5200 MHz
Memory Clock
1750 MHz
Memory
128GB
Memory Size
16GB
HBM3
Memory Type
GDDR6
8192bit
Memory Bus
256bit
5300GB/s
Bandwidth
448.0GB/s
Render Config
228
Compute Units
-
-
SM Count
48
14592
Shading Units
6144
880
TMUs
192
0
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
4 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
149.8 GPixel/s
1496 GTexel/s
Texture Rate
299.5 GTexel/s
980.6 TFLOPS
FP16 (half)
19.17 TFLOPS
122.6 TFLOPS
FP32 (float)
19.17 TFLOPS
61.3 TFLOPS
FP64 (double)
299.5 GFLOPS
Board Design
760W
TDP
140W
1000 W
Suggested PSU
300 W
No outputs
Outputs
4x DisplayPort 1.4a
None
Power Connectors
1x 6-pin
Graphics Processor
MI300
GPU Name
GA104
-
GPU Variant
GA104-875-A1
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
6.7
