AMD Radeon Instinct MI8 vs AMD Radeon R9 M395 Mac Edition

Edit	AMD Radeon Instinct MI8 Check Price	AMD Radeon R9 M395 Mac Edition Check Price

Table of Contents

Graphics Processor
Graphics Card
Clocks
Memory Configuration
Render Configuration
Performance
Dimensions & Outputs
API Support & Features
Other Features
Mobile graphics

Graphics Processor

GPU model	Fiji	Amethyst
GPU variant	Fiji XT	Amethyst PRO (216-0872004)
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	834 MHz
Memory clock	500 MHz 1000 Mbps effective	1365 MHz 5.5 Gbps effective

Memory Configuration

Memory size	4 GB	2 GB
Memory type	HBM	GDDR5
Memory bus width	4096 bit	256 bit
Bandwidth	512.0 GB/s	174.7 GB/s

Render Configuration

Shading units	4096	1792
TMUs	256	112
ROPs	64	32
Compute units	64	28
Cache L1	16 KB (per CU)	—
Cache L2	2 MB	—

Performance

Pixel rate	64.00 GPixel/s	26.69 GPixel/s
Texture rate	256.0 GTexel/s	93.41 GTexel/s
FP16 (half) performance	8.192 TFLOPS (1:1)	—
FP32 (float) performance	8.192 TFLOPS	2.989 TFLOPS
FP64 (double) performance	512.0 GFLOPS (1:16)	373.6 GFLOPS (1:8)

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	—	May 5th, 2015
Generation	—	Crystal System (R9 M300)
Production	—	End-of-life
Interface	—	MXM-B (3.0)
Predecessor	—	Solar System
Successor	—	Mobility Radeon

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