AMD Radeon Instinct MI8 vs AMD Radeon Sky 700

Table of Contents

Graphics Processor

GPU model Fiji Tahiti
GPU variant Fiji XT Tahiti PRO GL
Architecture GCN 3.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 8,900 million 4,313 million
Die size 596 mm² 352 mm²

Graphics Card

Release date Dec 12th, 2016 Mar 27th, 2013
Generation Radeon Instinct Radeon Sky
Production End-of-life End-of-life
Interface PCIe 3.0 x16 PCIe 3.0 x16

Clocks

GPU clock 1000 MHz 900 MHz
Memory clock 500 MHz 1000 Mbps effective 1375 MHz 5.5 Gbps effective

Memory Configuration

Memory size 4 GB 6 GB
Memory type HBM GDDR5
Memory bus width 4096 bit 384 bit
Bandwidth 512.0 GB/s 264.0 GB/s

Render Configuration

Shading units 4096 1792
TMUs 256 112
ROPs 64 32
Compute units 64 28
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 2 MB 768 KB

Performance

Pixel rate 64.00 GPixel/s 28.80 GPixel/s
Texture rate 256.0 GTexel/s 100.8 GTexel/s
FP16 (half) performance 8.192 TFLOPS (1:1)
FP32 (float) performance 8.192 TFLOPS 3.226 TFLOPS
FP64 (double) performance 512.0 GFLOPS (1:16) 806.4 GFLOPS (1:4)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 152 mm 6 inches 267 mm 10.5 inches
Width 111 mm 4.4 inches 111 mm 4.4 inches
TDP 175 W 225 W
Suggested PSU 450 W 550 W
Outputs No outputs 1x DisplayPort
Power connectors 1x 8-pin 1x 8-pin

API Support & Features

DirectX 12 (12_0) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.0 1.2
Vulkan 1.2 1.2
Shader model 6.3 5.1

Other Features

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