Home GPU Comparison AMD Radeon Instinct MI300 vs AMD Instinct MI300A

AMD Radeon Instinct MI300 vs AMD Instinct MI300A

AMD Radeon Instinct MI300
VS
AMD Instinct MI300A
AMD Radeon Instinct MI300
AMD Instinct MI300A
We compared two Professional market GPUs: 128GB VRAM Radeon Instinct MI300 and 128GB VRAM AMD Instinct MI300A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Instinct MI300 's Advantages
Lower TDP (600W vs 760W)
AMD Instinct MI300A 's Advantages
Released 11 months late
Boost Clock has increased by 24% (2100MHz vs 1700MHz)
Larger VRAM bandwidth (5300GB/s vs 3277GB/s)
512 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon Instinct MI300
47.87 TFLOPS
AMD Instinct MI300A +156%
122.6 TFLOPS
Radeon Instinct MI300
VS
AMD Instinct MI300A

Graphics Card

Jan 2023
Release Date
Dec 2023
Radeon Instinct
Generation
Instinct
Professional
Type
Professional
PCIe 5.0 x16
Bus Interface
PCIe 5.0 x16

Clock Speeds

1000 MHz
Base Clock
1000 MHz
1700 MHz
Boost Clock
2100 MHz
1600 MHz
Memory Clock
5200 MHz

Memory

128GB
Memory Size
128GB
HBM3
Memory Type
HBM3
8192bit
Memory Bus
8192bit
3277GB/s
Bandwidth
5300GB/s

Render Config

220
Compute Units
228
-
-
-
14080
Shading Units
14592
880
TMUs
880
0
ROPs
0
880
Tensor Cores
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
16 MB
L2 Cache
16 MB
-
-
-

Theoretical Performance

0 MPixel/s
Pixel Rate
0 MPixel/s
1496 GTexel/s
Texture Rate
1496 GTexel/s
383.0 TFLOPS
FP16 (half)
980.6 TFLOPS
47.87 TFLOPS
FP32 (float)
122.6 TFLOPS
47.87 TFLOPS
FP64 (double)
61.3 TFLOPS

Board Design

600W
TDP
760W
1000 W
Suggested PSU
1000 W
No outputs
Outputs
No outputs
2x 8-pin
Power Connectors
None

Graphics Processor

Aqua Vanjaram
GPU Name
MI300
-
-
-
CDNA 3.0
Architecture
CDNA 3.0
TSMC
Foundry
TSMC
5 nm
Process Size
5 nm
153 billion
Transistors
146 billion
1017 mm²
Die Size
1017 mm²

Graphics Features

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

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