[AWS Architect] (33) EC2 – Instance Types

An Instance Type determines a particular set of features and sizes (hardware components) that decide the level of workload – Compute Power (vCPU), Memory, Storage Options, Network Performance.

Link: https://aws.amazon.com/ec2/instance-types/

General Purpose

  • T2, T3: low-cost (baseline level) types that provide burst capability
  • M4, M5: general workloads, balanced

Compute Optimized

  • C4, C5: more capable CPU, for high-performance calculation apps

Memory Optimized

  • X1, R4, R5: optimized memory (fast and large amount) for high-performance database

Storage Optimized

  • D2: Density High Throughput (HDD), for Data Warehouse, MapReduce, HDFS, Network file systems
  • I3: High-speed Random IO (SSD), for No SQL database, data warehouse
  • H1: High Disk Throughput for MapReduce

Accelerated Computing

  • P2, P3: General purpose GPU (Graphics Processing Unit), for machine learning
  • F1: FPGA (Field Programmable Gate Arrays), computationally intensive
  • G3, G4: Cost-effective GPUs, for video encoding, 3D rendering

Memorize the Mnemonic “FIGHT DR MC PX – AZ

  • F (FPGA), I (IOPS), G (Graphics), H (High Throughput), T (Tight – cheap general)
  • D (Density High Throughput), R (RAM – memory)
  • M (Main – general), C (Compute)
  • P (Pic – graphics), X (Extreme Memory)
  • A (Arm-based), Z (Extreme memory and CPU)

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