AMD Radeon Instinct MI355X vs NVIDIA L20

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs NVIDIA L20 with 48 GB GDDR6 and 11,776 cores.

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Performance Rating

AMD Radeon Instinct MI355X outperforms NVIDIA L20 by 225.29% in the overall GPU ARK performance rating

A100 A100
H200 H200
MI325X MI325X

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

93.5
RX 7900 XTX RX 7900 XTX
MI250 MI250
Instinct MI300X Instinct MI300X

NVIDIA L20

28.8

NVIDIA L20

28.8

Contents:

Memory ML Performance Compute Power Architecture & Compatibility ML Software Support Clocks & Performance Power Consumption Rendering Benchmarks Additional

Memory

Memory Size

🔥 +500% 288 ГБ
48 ГБ

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 8.19 TB/s
864.0 GB/s

Memory Bus Width

8,192 бит 384 бит

ML Performance

FP16 (Half Precision)

🔥 +960% 629.1 TFLOPS
59.35 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +33% 78.64 TFLOPS
59.35 TFLOPS

FP64 (Double Precision)

🔥 +8,380% 78.64 TFLOPS
0.9274 TFLOPS

CUDA Cores

🔥 +39% 16,384
11,776

RT Cores

No
🔥 92

Architecture & Compatibility

GPU Architecture

CDNA 4.0 Ada Lovelace

SM (Streaming Multiprocessor)

No
🔥 92

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No 8.9

Clocks & Performance

Base Clock

1,000
🔥 +44% 1,440

Boost Clock

2,400
🔥 +5% 2,520

Memory Clock

2,000
🔥 +12% 2,250

Power Consumption

TDP/TGP

1400 W
🔥 -80% 275 W

Recommended PSU

1800 W
🔥 -67% 600 W

Power Connector

None 1x 16-pin

Rendering

Texture Units (TMU)

🔥 +178% 1,024
368

ROP

No
🔥 92

L2 Cache

16 MB
🔥 +500% 96 MB

Benchmarks

MLPerf, llama2-70b-99.9 (mxfp4)

10 129 tokens/s

MLPerf, llama3.1-405b (mxfp4)

252.4 tokens/s

Additional

Slots

OAM Module Dual-slot

Release Date

July 15, 2025 Nov. 16, 2023

Display Outputs

No outputs
4x DisplayPort 1.4a

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