Intel Iris Pro Graphics P6300 vs NVIDIA GeForce GT 645M

Table of Contents

Graphics Processor

GPU model Broadwell GT3e GK107
Architecture Generation 8.0 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-GS

Integrated Graphics

Release date Sep 5th, 2014
Generation HD Graphics-W (Broadwell)
Production End-of-life
Interface Ring Bus
Reviews 1 in our database

Clocks

Base clock 300 MHz
Boost clock 800 MHz
Memory clock System Shared 900 MHz 1800 Mbps effective
GPU clock 709 MHz

Memory Configuration

Memory size System Shared 2 GB
Memory type System Shared DDR3
Memory bus width System Shared 128 bit
Bandwidth System Dependent 28.80 GB/s

Render Configuration

Shading units 384 384
TMUs 48 32
ROPs 6 16
Execution units 48
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 256 KB

Performance

Pixel rate 4.800 GPixel/s 5.672 GPixel/s
Texture rate 38.40 GTexel/s 22.69 GTexel/s
FP32 (float) performance 614.4 GFLOPS 544.5 GFLOPS
FP64 (double) performance 153.6 GFLOPS (1:4) 22.69 GFLOPS (1:24)

Dimensions & Outputs

Slot width IGP
TDP 15 W 32 W
Outputs No outputs No outputs

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.4 4.6
OpenCL 3.0 3.0
Vulkan 1.0 1.1
Shader model 5.1 5.1
CUDA 3.0

Other Features

Mobile graphics

Release date Oct 1st, 2012
Generation GeForce 600M
Production End-of-life
Interface PCIe 3.0 x16
Predecessor GeForce 500M
Successor GeForce 700M

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