AMD Radeon Instinct MI8 vs AMD Radeon R9 M295X

Table of Contents

Graphics Processor

GPU model Fiji Amethyst
GPU variant Fiji XT Amethyst XT
Architecture GCN 3.0 GCN 3.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 8,900 million 5,000 million
Die size 596 mm² 366 mm²

Graphics Card

Release date Dec 12th, 2016
Generation Radeon Instinct
Production End-of-life
Interface PCIe 3.0 x16

Clocks

GPU clock 1000 MHz 723 MHz
Memory clock 500 MHz 1000 Mbps effective 1250 MHz 5 Gbps effective

Memory Configuration

Memory size 4 GB 4 GB
Memory type HBM GDDR5
Memory bus width 4096 bit 256 bit
Bandwidth 512.0 GB/s 160.0 GB/s

Render Configuration

Shading units 4096 2048
TMUs 256 128
ROPs 64 32
Compute units 64 32
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 2 MB 512 KB

Performance

Pixel rate 64.00 GPixel/s 23.14 GPixel/s
Texture rate 256.0 GTexel/s 92.54 GTexel/s
FP16 (half) performance 8.192 TFLOPS (1:1) 2.961 TFLOPS (1:1)
FP32 (float) performance 8.192 TFLOPS 2.961 TFLOPS
FP64 (double) performance 512.0 GFLOPS (1:16) 185.1 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot MXM Module
Length 152 mm 6 inches
Width 111 mm 4.4 inches
TDP 175 W 250 W
Suggested PSU 450 W
Outputs No outputs No outputs
Power connectors 1x 8-pin None

API Support & Features

DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.0 2.0
Vulkan 1.2 1.2
Shader model 6.3 6.3

Other Features

Mobile graphics

Release date Nov 23rd, 2014
Generation Crystal System (R9 M200)
Production End-of-life
Interface MXM-B (3.0)
Predecessor Solar System
Successor Mobility Radeon

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