Intel UHD Graphics 620 vs NVIDIA GeForce GT 640M LE

Table of Contents

Graphics Processor

GPU model Kaby Lake GT2 GF108
Architecture Generation 9.5 Fermi
Foundry Intel TSMC
Manufacturing process 14 nm++ 40 nm
Number of transistors unknown 585 million
Die size unknown 116 mm²

Integrated Graphics

Release date Sep 1st, 2017
Generation HD Graphics-M (Kaby Lake Refresh)
Production Active
Interface Ring Bus
Reviews 1 in our database

Clocks

Base clock 300 MHz
Boost clock 1000 MHz
Memory clock System Shared 785 MHz 3.1 Gbps effective
GPU clock 753 MHz
Shader clock 1505 MHz

Memory Configuration

Memory size System Shared 2 GB
Memory type System Shared GDDR5
Memory bus width System Shared 128 bit
Bandwidth System Dependent 50.24 GB/s

Render Configuration

Shading units 192 96
TMUs 24 16
ROPs 3 4
Execution units 24
SM count 2
Cache L1 64 KB (per SM)
Cache L2 256 KB

Performance

Pixel rate 3.000 GPixel/s 3.012 GPixel/s
Texture rate 24.00 GTexel/s 12.05 GTexel/s
FP16 (half) performance 768.0 GFLOPS (2:1)
FP32 (float) performance 384.0 GFLOPS 289.0 GFLOPS
FP64 (double) performance 96.00 GFLOPS (1:4) 24.08 GFLOPS (1:12)

Dimensions & Outputs

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

API Support & Features

DirectX 12 (12_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 3.0 1.1
Vulkan 1.2
Shader model 6.4 5.1
CUDA 2.1

Other Features

Mobile graphics

Release date May 4th, 2012
Generation GeForce 600M
Production End-of-life
Interface PCIe 2.0 x16
Reviews 2 in our database
Predecessor GeForce 500M
Successor GeForce 700M

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