AMD Instinct MI300A vs NVIDIA RTX A6000
We compared two Professional market GPUs: 128GB VRAM AMD Instinct MI300A and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Instinct MI300A 's Advantages
Released 3 years and 2 months late
Boost Clock has increased by 17% (2100MHz vs 1800MHz)
More VRAM (128GB vs 48GB)
Larger VRAM bandwidth (5300GB/s vs 768.0GB/s)
3840 additional rendering cores
NVIDIA RTX A6000 's Advantages
Lower TDP (300W vs 760W)
Score
Benchmark
FP32 (float)
AMD Instinct MI300A
+216%
122.6 TFLOPS
RTX A6000
38.71 TFLOPS
Graphics Card
Dec 2023
Release Date
Oct 2020
Instinct
Generation
Quadro Ampere
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
1000 MHz
Base Clock
1410 MHz
2100 MHz
Boost Clock
1800 MHz
5200 MHz
Memory Clock
2000 MHz
Memory
128GB
Memory Size
48GB
HBM3
Memory Type
GDDR6
8192bit
Memory Bus
384bit
5300GB/s
Bandwidth
768.0GB/s
Render Config
228
Compute Units
-
-
SM Count
84
14592
Shading Units
10752
880
TMUs
336
0
ROPs
112
-
Tensor Cores
336
-
RT Cores
84
16 KB (per CU)
L1 Cache
128 KB (per SM)
16 MB
L2 Cache
6 MB
-
-
-
Theoretical Performance
0 MPixel/s
Pixel Rate
201.6 GPixel/s
1496 GTexel/s
Texture Rate
604.8 GTexel/s
980.6 TFLOPS
FP16 (half)
38.71 TFLOPS
122.6 TFLOPS
FP32 (float)
38.71 TFLOPS
61.3 TFLOPS
FP64 (double)
604.8 GFLOPS
Board Design
760W
TDP
300W
1000 W
Suggested PSU
700 W
No outputs
Outputs
4x DisplayPort 1.4a
None
Power Connectors
8-pin EPS
Graphics Processor
MI300
GPU Name
GA102
-
-
-
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
Samsung
5 nm
Process Size
8 nm
146 billion
Transistors
28.3 billion
1017 mm²
Die Size
628 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
