Intel Iris Pro Graphics P580 vs NVIDIA GeForce GT 640 Rev. 2

Table of Contents

Graphics Processor

GPU model Skylake GT4e GK208
Architecture Generation 9.0 Kepler 2.0
Foundry Intel TSMC
Manufacturing process 14 nm+ 28 nm
Number of transistors unknown 1,020 million
Die size unknown 87 mm²
GPU variant GK208-400-A1

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
Boost clock 1050 MHz
Memory clock System Shared 1252 MHz 5 Gbps effective
GPU clock 1046 MHz

Memory Configuration

Memory size System Shared 1024 MB
Memory type System Shared GDDR5
Memory bus width System Shared 64 bit
Bandwidth System Dependent 40.06 GB/s

Render Configuration

Shading units 576 384
TMUs 72 32
ROPs 9 8
Execution units 72
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 512 KB

Performance

Pixel rate 9.450 GPixel/s 8.368 GPixel/s
Texture rate 75.60 GTexel/s 33.47 GTexel/s
FP16 (half) performance 2.419 TFLOPS (2:1)
FP32 (float) performance 1,210 GFLOPS 803.3 GFLOPS
FP64 (double) performance 302.4 GFLOPS (1:4) 33.47 GFLOPS (1:24)

Dimensions & Outputs

Slot width IGP Single-slot
TDP 15 W 49 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Length 145 mm 5.7 inches
Suggested PSU 200 W
Power connectors None
Board number P2131

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 3.5

Other Features

Graphics Card

Release date May 29th, 2013
Generation GeForce 600
Production End-of-life
Launch price 89 USD
Interface PCIe 2.0 x8
Predecessor GeForce 500
Successor GeForce 700

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