RTX A6000 vs Radeon Instinct MI300
We compared two Professional market GPUs: 48GB VRAM RTX A6000 and 128GB VRAM Radeon Instinct MI300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
RTX A6000 's Advantages
Boost Clock has increased by 6% (1800MHz vs 1700MHz)
Lower TDP (300W vs 600W)
Radeon Instinct MI300 's Advantages
Released 2 years and 3 months late
More VRAM (128GB vs 48GB)
Larger VRAM bandwidth (3277GB/s vs 768.0GB/s)
3328 additional rendering cores
Score
Benchmark
FP32 (float)
RTX A6000
38710
Radeon Instinct MI300
+23%
47870
Graphics Card
Oct 2020
Release Date
Jan 2023
Quadro Ampere
Generation
Radeon 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
1700 MHz
2000 MHz
Memory Clock
1600 MHz
Memory
48GB
Memory Size
128GB
GDDR6
Memory Type
HBM3
384bit
Memory Bus
8192bit
768.0GB/s
Bandwidth
3277GB/s
Render Config
-
Compute Units
220
84
SM Count
-
10752
Shading Units
14080
336
TMUs
880
112
ROPs
0
336
Tensor Cores
880
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)
383.0 TFLOPS
38.71 TFLOPS
FP32 (float)
47.87 TFLOPS
604.8 GFLOPS
FP64 (double)
47.87 TFLOPS
Board Design
300W
TDP
600W
700 W
Suggested PSU
1000 W
4x DisplayPort 1.4a
Outputs
No outputs
8-pin EPS
Power Connectors
2x 8-pin
Graphics Processor
GA102
GPU Name
Aqua Vanjaram
Ampere
Architecture
CDNA 3.0
Samsung
Foundry
TSMC
8 nm
Process Size
5 nm
28.3 billion
Transistors
153 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
