AMD Instinct MI355X OAM

Name: AMD Instinct MI355X OAM
Brand: AMD

CDNA 4 OAM 2025 3nm/6nm Spec confidence: Official

FP8 (dense)

5,033

TFLOPS

FP32

157

TFLOPS

VRAM

288 GB

Bandwidth

8.0 TB/s

memory

TDP

1.4 kW

112.4 TFLOPS/kW

Download datasheet

Performance

Peak theoretical throughput by precision type

FP6

10,066 TFLOPS

sparse not published

INT8

8-bit integer

5,033 TOPS

10,066 with sparsity

FP8

8-bit floating point

5,033 TFLOPS

10,066 with sparsity

FP4

4-bit floating point

10,066 TFLOPS

sparse not published

FP16

16-bit floating point

2,517 TFLOPS

5,033 with sparsity

BF16

Brain Float 16

2,517 TFLOPS

5,033 with sparsity

FP32

32-bit floating point

157 TFLOPS

FP64

64-bit floating point

79 TFLOPS

Dense Added with sparsity

3.595 TFLOPS/W FP8 at 1400 W

1.798 TFLOPS/W FP16 at 1400 W

0.112 TFLOPS/W FP32 at 1400 W

The Instinct MI355X OAM in the GPU landscape

Peak FP16 TFLOPS (dense) against TDP, single-GPU parts tracked by Flopper

Higher and further left is better: more half-precision throughput for less power.

Specifications

Architecture

CDNA 4

Form Factor

OAM

Launch Year

2025

Process Node

3nm/6nm

Memory

288 GB

Bandwidth

8,000 GB/s

TDP

1.4 kW

Max Power

~1.6 kW

Spec Confidence

Official

Full Specifications

Memory
VRAM	288 GB
Bandwidth	8.0 TB/s
Power & Thermal
TDP	1.4 kW
Enterprise Features
Sparsity	Yes
General
Form Factor	OAM
Architecture	CDNA 4
Launch Year	2025

Datasheet & Resources

Flopper Datasheet

AMD Instinct MI355X OAM specifications, generated from our database. Printable.

View PDF

Vendor product page

AMD documentation for the Instinct MI355X OAM

View

AMD Instinct Documentation

ROCm guides, architecture details

Browse

Data Provenance

Every figure traced to a source

Primary Source

Document: --
Publisher: AMD
Published: --

Data Quality

Spec confidence: Official
Clock basis: Boost
Precisions tracked: 8
Normalization: All values in TFLOPS

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Similar GPUs

AMD Instinct MI350X OAM

OAM · 2025

FP32: 144 TFLOPS

Compare vs Instinct MI350X

Systems Using This GPU

Pre-configured systems featuring the AMD Instinct MI355X

System	GPU Count	Peak Performance	Total Power	Interconnect
AMD Instinct MI355X Platform Instinct Platform · baseboard · 2025	8x Instinct MI355X	80.53 PFLOPS	--	4th Gen AMD Infinity Fabric, eight fully connected OAM modules on an OCP UBB design	View System
HPE ProLiant Compute XD685 (Instinct MI355X) ProLiant Compute XD · rack · 2025	8x Instinct MI355X	80.53 PFLOPS	--	4th Gen AMD Infinity Fabric across the eight-OAM OCP baseboard; 4x FHHL PCIe Gen5 x16 slots for fabric, NIC or DPU	View System
Ingrasys GB2281A GB · rack ·	8x Instinct MI355X	--	--	Eight MI355X OAM modules on a UBB 2.0 universal baseboard, fully connected by AMD Infinity Fabric mesh; eight PCIe Gen5 x16 low-profile or half-length slots for networking	View System

Frequently Asked Questions

How many TFLOPS does the AMD Instinct MI355X have?

The AMD Instinct MI355X delivers 157.3 TFLOPS for FP32 operations, 2516.6 TFLOPS for FP16, and 5033.2 TFLOPS for FP8 precision.

What is the power consumption of the AMD Instinct MI355X?

The AMD Instinct MI355X has a TDP (Thermal Design Power) rating of 1400 watts.

How much memory does the AMD Instinct MI355X have?

The AMD Instinct MI355X is equipped with 288 GB of VRAM with 8000 GB/s memory bandwidth.

What architecture is the AMD Instinct MI355X based on?

The AMD Instinct MI355X is based on the CDNA 4 architecture, launched in 2025.

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