AMD Radeon Instinct MI6 vs AMD Radeon R9 M295X Mac Edition

Table of Contents

Graphics Processor

GPU model Ellesmere Amethyst
GPU variant Ellesmere XT Amethyst XT
Architecture GCN 4.0 GCN 3.0
Foundry GlobalFoundries TSMC
Manufacturing process 14 nm 28 nm
Number of transistors 5,700 million 5,000 million
Die size 232 mm² 366 mm²

Graphics Card

Release date Dec 12th, 2016
Generation Radeon Instinct
Production Active
Interface PCIe 3.0 x16

Clocks

Base clock 1120 MHz
Boost clock 1233 MHz
Memory clock 1750 MHz 7 Gbps effective 1362 MHz 5.4 Gbps effective
GPU clock 850 MHz

Memory Configuration

Memory size 8 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 224.0 GB/s 174.3 GB/s

Render Configuration

Shading units 2304 2048
TMUs 144 128
ROPs 32 32
Compute units 36 32
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 2 MB 512 KB

Performance

Pixel rate 39.46 GPixel/s 27.20 GPixel/s
Texture rate 177.6 GTexel/s 108.8 GTexel/s
FP16 (half) performance 5.682 TFLOPS (1:1) 3.482 TFLOPS (1:1)
FP32 (float) performance 5.682 TFLOPS 3.482 TFLOPS
FP64 (double) performance 355.1 GFLOPS (1:16) 217.6 GFLOPS (1:16)

Dimensions & Outputs

Slot width Single-slot MXM Module
Length 241 mm 9.5 inches
Width 111 mm 4.4 inches
TDP 150 W 250 W
Suggested PSU 450 W
Outputs No outputs No outputs
Power connectors 1x 6-pin
Board number D122

API Support & Features

DirectX 12 (12_0) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.2 1.2
Shader model 6.4 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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