AMD Radeon Instinct MI355X vs GIGABYTE AORUS RX 6900 XT MASTER Rev. 1.0

Comparison of AMD Radeon Instinct MI355X with 288 GB HBM3e and 16,384 cores vs GIGABYTE AORUS RX 6900 XT MASTER Rev. 1.0 with 16 GB GDDR6 and 5,120 cores.

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Performance Rating

H200 H200
MI325X MI325X
A100 A100

AMD Radeon Instinct MI355X

93.5

AMD Radeon Instinct MI355X

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

GIGABYTE AORUS RX 6900 XT MASTER Rev. 1.0

GIGABYTE AORUS RX 6900 XT MASTER Rev. 1.0

Contents:

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

Memory

Memory Size

🔥 +1,700% 288 ГБ
16 GB

Memory Type

HBM3e GDDR6

Memory Bandwidth

🔥 8.19 TB/s
512.0 GB/s

Memory Bus Width

8,192 бит 256 бит

ML Performance

FP16 (Half Precision)

🔥 +1,199% 629.1 TFLOPS
48.44 TFLOPS

BF16 (Brain Float)

No No

TF32 (TensorFloat)

No No

Compute Power

FP32 (Single Precision)

🔥 +225% 78.64 TFLOPS
24.22 TFLOPS

FP64 (Double Precision)

🔥 +5,094% 78.64 TFLOPS
1.514 TFLOPS

CUDA Cores

🔥 +220% 16,384
5,120

RT Cores

No 80

Architecture & Compatibility

GPU Architecture

CDNA 4.0 RDNA 2.0

SM (Streaming Multiprocessor)

No No

PCIe Version

PCIe 5.0 x16 PCIe 4.0 x16

ML Software Support

CUDA Version

No No

Clocks & Performance

Base Clock

🔥 1,000
1,950

Boost Clock

🔥 +1% 2,400
2,365

Memory Clock

🔥 2,000
2,000

Power Consumption

TDP/TGP

1400 W
🔥 -79% 300 W

Recommended PSU

1800 W
🔥 -61% 700 W

Power Connector

None 3x 8-pin

Rendering

Texture Units (TMU)

🔥 +220% 1,024
320

ROP

No 80

L2 Cache

🔥 +300% 16 MB
4 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 Triple-slot

Release Date

July 15, 2025 Oct. 28, 2020

Display Outputs

No outputs
1x HDMI 2.1
2x DisplayPort 1.4a
1x USB Type-C

2x HDMI 2.1
2x DisplayPort 1.4a

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