AMD Radeon Instinct MI50 vs AMD Radeon R9 270X

Table of Contents

Graphics Processor

GPU model Vega 20 Curacao
GPU variant Vega 20 GLXT Curacao XT (215-0848004)
Architecture GCN 5.1 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 7 nm 28 nm
Number of transistors 13,230 million 2,800 million
Die size 331 mm² 212 mm²

Graphics Card

Release date Nov 18th, 2018 Oct 8th, 2013
Generation Radeon Instinct Volcanic Islands
Production Active End-of-life
Interface PCIe 4.0 x16 PCIe 3.0 x16
Launch price 199 USD
Reviews 90 in our database
Predecessor Sea Islands
Successor Pirate Islands

Clocks

Base clock 1200 MHz 1000 MHz
Boost clock 1746 MHz 1050 MHz
Memory clock 1000 MHz 2 Gbps effective 1400 MHz 5.6 Gbps effective

Memory Configuration

Memory size 16 GB 2 GB
Memory type HBM2 GDDR5
Memory bus width 4096 bit 256 bit
Bandwidth 1,024 GB/s 179.2 GB/s

Render Configuration

Shading units 3840 1280
TMUs 240 80
ROPs 64 32
Compute units 60 20
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 4 MB 512 KB

Performance

Pixel rate 111.7 GPixel/s 33.60 GPixel/s
Texture rate 419.0 GTexel/s 84.00 GTexel/s
FP16 (half) performance 26.82 TFLOPS (2:1)
FP32 (float) performance 13.41 TFLOPS 2.688 TFLOPS
FP64 (double) performance 6.705 TFLOPS (1:2) 168.0 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 267 mm 10.5 inches 241 mm 9.5 inches
TDP 300 W 180 W
Suggested PSU 700 W 450 W
Outputs 1x mini-DisplayPort 2x DVI1x HDMI1x DisplayPort
Power connectors 1x 6-pin + 1x 8-pin 2x 6-pin
Width 109 mm 4.3 inches
Height 36 mm 1.4 inches
Board number C631, C632

API Support & Features

DirectX 12 (12_1) 12 (11_1)
OpenGL 4.6 4.6
OpenCL 2.1 1.2
Vulkan 1.2 1.2
Shader model 6.4 5.1

Other Features

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