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