AMD Radeon HD 6650M vs Intel Iris Pro Graphics P580

Table of Contents

Graphics Processor

GPU model Whistler Skylake GT4e
GPU variant Whistler LE
Architecture TeraScale 2 Generation 9.0
Foundry TSMC Intel
Manufacturing process 40 nm 14 nm+
Number of transistors 716 million unknown
Die size 104 mm² unknown

Mobile graphics

Release date Jan 4th, 2011
Generation Vancouver (HD 6600M)
Production End-of-life
Interface PCIe 2.0 x16
Predecessor Manhattan
Successor London

Clocks

GPU clock 600 MHz
Memory clock 800 MHz 1600 Mbps effective System Shared
Base clock 350 MHz
Boost clock 1050 MHz

Memory Configuration

Memory size 1024 MB System Shared
Memory type DDR3 System Shared
Memory bus width 128 bit System Shared
Bandwidth 25.60 GB/s System Dependent

Render Configuration

Shading units 480 576
TMUs 24 72
ROPs 8 9
Compute units 6
Cache L1 8 KB (per CU)
Cache L2 256 KB
Execution units 72

Performance

Pixel rate 4.800 GPixel/s 9.450 GPixel/s
Texture rate 14.40 GTexel/s 75.60 GTexel/s
FP32 (float) performance 576.0 GFLOPS 1,210 GFLOPS
FP16 (half) performance 2.419 TFLOPS (2:1)
FP64 (double) performance 302.4 GFLOPS (1:4)

Dimensions & Outputs

TDP unknown 15 W
Outputs No outputs No outputs
Slot width IGP

API Support & Features

DirectX 11.2 (11_0) 12 (12_1)
OpenGL 4.4 4.6
OpenCL 1.2 3.0
Vulkan 1.2
Shader model 5.0 6.4

Other Features

Integrated Graphics

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

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