AMD Radeon Instinct MI250 vs AMD Radeon R9 270X

Table of Contents

Graphics Processor

GPU model Aldebaran Curacao
GPU variant Aldebaran Curacao XT (215-0848004)
Architecture CDNA 2.0 GCN 1.0
Foundry TSMC TSMC
Manufacturing process 6 nm 28 nm
Number of transistors 58,200 million 2,800 million
Die size unknown 212 mm²

Graphics Card

Release date Nov 8th, 2021 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 1000 MHz 1000 MHz
Boost clock 1700 MHz 1050 MHz
Memory clock 1600 MHz 3.2 Gbps effective 1400 MHz 5.6 Gbps effective

Memory Configuration

Memory size 128 GB 2 GB
Memory type HBM2e GDDR5
Memory bus width 8192 bit 256 bit
Bandwidth 3,277 GB/s 179.2 GB/s

Render Configuration

Shading units 13312 1280
TMUs 832 80
ROPs 0 32
Compute units 208 20
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 16 MB 512 KB
gpu.details.mcm 2

Performance

Pixel rate 0 MPixel/s 33.60 GPixel/s
Texture rate 1,414 GTexel/s 84.00 GTexel/s
FP16 (half) performance 362.1 TFLOPS (8:1)
FP32 (float) performance 45.26 TFLOPS 2.688 TFLOPS
FP64 (double) performance 45.26 TFLOPS (1:1) 168.0 GFLOPS (1:16)

Dimensions & Outputs

Slot width Dual-slot Dual-slot
Length 267 mm 10.5 inches 241 mm 9.5 inches
Width 111 mm 4.4 inches 109 mm 4.3 inches
TDP 500 W 180 W
Suggested PSU 900 W 450 W
Outputs No outputs 2x DVI1x HDMI1x DisplayPort
Power connectors 2x 8-pin 2x 6-pin
Height 36 mm 1.4 inches
Board number C631, C632

API Support & Features

DirectX 12 (11_1)
OpenGL 4.6
OpenCL 3.0 1.2
Vulkan 1.2
Shader model 5.1

Other Features

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