AMD Radeon RX 640 Mobile vs Intel Iris Pro Graphics 580

Table of Contents

Graphics Processor

GPU model Polaris 23 Skylake GT4e
GPU variant Polaris 23 XT
Architecture GCN 4.0 Generation 9.0
Foundry GlobalFoundries Intel
Manufacturing process 14 nm 14 nm+
Number of transistors 2,200 million unknown
Die size 103 mm² unknown

Mobile graphics

Release date May 13th, 2019
Generation Mobility Radeon (M600)
Production Active
Interface PCIe 3.0 x8
Predecessor Crystal System

Clocks

Base clock 1082 MHz 350 MHz
Boost clock 1218 MHz 950 MHz
Memory clock 1500 MHz 6 Gbps effective System Shared

Memory Configuration

Memory size 2 GB System Shared
Memory type GDDR5 System Shared
Memory bus width 64 bit System Shared
Bandwidth 48.00 GB/s System Dependent

Render Configuration

Shading units 640 576
TMUs 40 72
ROPs 16 9
Compute units 10
Cache L1 16 KB (per CU)
Cache L2 512 KB
Execution units 72

Performance

Pixel rate 19.49 GPixel/s 8.550 GPixel/s
Texture rate 48.72 GTexel/s 68.40 GTexel/s
FP16 (half) performance 1.559 TFLOPS (1:1) 2.189 TFLOPS (2:1)
FP32 (float) performance 1.559 TFLOPS 1,094 GFLOPS
FP64 (double) performance 97.44 GFLOPS (1:16) 273.6 GFLOPS (1:4)

Dimensions & Outputs

Slot width Dual-slot IGP
TDP 50 W 15 W
Outputs No outputs No outputs
Power connectors None

API Support & Features

DirectX 12 (12_0) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.2 1.2
Shader model 6.4 6.4

Other Features

Integrated Graphics

Release date Sep 1st, 2015
Generation HD Graphics-M (Skylake)
Production Active
Interface Ring Bus
Reviews 1 in our database

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