Home GPU Comparison AMD Radeon Instinct MI300 vs NVIDIA GRID A100B

AMD Radeon Instinct MI300 vs NVIDIA GRID A100B

AMD Radeon Instinct MI300
VS
NVIDIA GRID A100B
AMD Radeon Instinct MI300
NVIDIA GRID A100B
We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 48GB VRAM GRID A100B to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages
Released 2 years and 8 months late
Boost Clock has increased by 69% (1700MHz vs 1005MHz)
More VRAM (128GB vs 48GB)
Larger VRAM bandwidth (3277GB/s vs 1866GB/s)
7168 additional rendering cores
NVIDIA GRID A100B 's Advantages
Lower TDP (400W vs 600W)

Score

Benchmark

FP32 (float)
Radeon Instinct MI300 +244%
47.87 TFLOPS
GRID A100B
13.89 TFLOPS
Radeon Instinct MI300
VS
GRID A100B

Graphics Card

Jan 2023
Release Date
May 2020
Radeon Instinct
Generation
GRID
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

1000 MHz
Base Clock
900 MHz
1700 MHz
Boost Clock
1005 MHz
1600 MHz
Memory Clock
1215 MHz

Memory

128GB
Memory Size
48GB
HBM3
Memory Type
HBM2e
8192bit
Memory Bus
6144bit
3277GB/s
Bandwidth
1866GB/s

Render Config

220
Compute Units
-
-
SM Count
108
14080
Shading Units
6912
880
TMUs
432
0
ROPs
192
880
Tensor Cores
432
-
-
-
16 KB (per CU)
L1 Cache
192 KB (per SM)
16 MB
L2 Cache
48 MB
-
-
-

Theoretical Performance

0 MPixel/s
Pixel Rate
193.0 GPixel/s
1496 GTexel/s
Texture Rate
434.2 GTexel/s
383.0 TFLOPS
FP16 (half)
55.57 TFLOPS
47.87 TFLOPS
FP32 (float)
13.89 TFLOPS
47.87 TFLOPS
FP64 (double)
6.947 TFLOPS

Board Design

600W
TDP
400W
1000 W
Suggested PSU
800 W
No outputs
Outputs
No outputs
2x 8-pin
Power Connectors
None

Graphics Processor

Aqua Vanjaram
GPU Name
GA100
-
-
-
CDNA 3.0
Architecture
Ampere
TSMC
Foundry
TSMC
5 nm
Process Size
7 nm
153 billion
Transistors
54.2 billion
1017 mm²
Die Size
826 mm²

Graphics Features

N/A
DirectX
N/A
N/A
OpenGL
N/A
3.0
OpenCL
3.0
N/A
Vulkan
N/A
-
CUDA
8.0
N/A
Shader Model
N/A

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