Intel Iris Pro Graphics P580 vs NVIDIA GeForce GT 650M

Table of Contents

Graphics Processor

GPU model Skylake GT4e GK107
Architecture Generation 9.0 Kepler
Foundry Intel TSMC
Manufacturing process 14 nm+ 28 nm
Number of transistors unknown 1,270 million
Die size unknown 118 mm²
GPU variant N13P-GT-A2

Integrated Graphics

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

Clocks

Base clock 350 MHz 835 MHz
Boost clock 1050 MHz 950 MHz
Memory clock System Shared 900 MHz 1800 Mbps effective

Memory Configuration

Memory size System Shared 1024 MB
Memory type System Shared DDR3
Memory bus width System Shared 128 bit
Bandwidth System Dependent 28.80 GB/s

Render Configuration

Shading units 576 384
TMUs 72 32
ROPs 9 16
Execution units 72
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 256 KB

Performance

Pixel rate 9.450 GPixel/s 7.600 GPixel/s
Texture rate 75.60 GTexel/s 30.40 GTexel/s
FP16 (half) performance 2.419 TFLOPS (2:1)
FP32 (float) performance 1,210 GFLOPS 729.6 GFLOPS
FP64 (double) performance 302.4 GFLOPS (1:4) 30.40 GFLOPS (1:24)

Dimensions & Outputs

Slot width IGP
TDP 15 W 45 W
Outputs No outputs No outputs

API Support & Features

DirectX 12 (12_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.2 1.1
Shader model 6.4 5.1
CUDA 3.0

Other Features

Mobile graphics

Release date Mar 22nd, 2012
Generation GeForce 600M
Production End-of-life
Interface PCIe 3.0 x16
Predecessor GeForce 500M
Successor GeForce 700M

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