AMD Radeon Instinct MI8: GPU Specs & Benchmarks

The Radeon Instinct MI8 is a graphics card by AMD, built on the 28 nm process and based on the Fiji graphics processor (GPU). The video card specifications and performance tests (benchmarks) are listed below.

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Graphics Processor (GPU)

GPU Name

Fiji

Model number

Fiji XT

Architecture

GCN 3.0

Foundry

TSMC

Process Size

28 nm

Transistors

8,900 million

Die Size

596 mm²

Graphics Card

Release Date

Dec 12th, 2016

Family

Radeon Instinct
(MIx)

Production

Active

Bus Interface

PCIe 3.0 x16

Memory

Memory Size

4 GB

Memory Type

HBM

Memory Bus

4096 bit

Bandwidth

512.0 GB/s

Performance

Pixel fillrate

64.00 GPixel/s

Texture fillrate

256.0 GTexel/s

FP16 (half) performance

8.192 TFLOPS (1:1)

FP32 (float) performance

8.192 TFLOPS

FP64 (double) performance

512.0 GFLOPS (1:16)

Clock Speeds

Memory Clock

500 MHz
1000 Mbps effective

GPU Clock

1000 MHz

Render Config

Shading Units

4096

TMUs

256

ROPs

64

Compute Units

64

L1 Cache

16 KB (per CU)

L2 Cache

2 MB

Board Design

Slot Width

Dual-slot

Length

152 mm
6 inches

Width

111 mm
4.4 inches

Thermal design power (TDP)

175 W

Suggested PSU

450 W

Display Connectors

No outputs

Power Connectors

1x 8-pin

API support

DirectX

12 (12_0)

OpenGL

4.6

OpenCL

2.0

Vulkan

1.2

Shader Model

6.3