Intel UHD Graphics 620 vs NVIDIA GeForce GT 640M

Table of Contents

Graphics Processor

GPU model Kaby Lake GT2 GK107
Architecture Generation 9.5 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 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 900 MHz 1800 Mbps effective
GPU clock 625 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 192 384
TMUs 24 32
ROPs 3 16
Execution units 24
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 256 KB

Performance

Pixel rate 3.000 GPixel/s 5.000 GPixel/s
Texture rate 24.00 GTexel/s 20.00 GTexel/s
FP16 (half) performance 768.0 GFLOPS (2:1)
FP32 (float) performance 384.0 GFLOPS 480.0 GFLOPS
FP64 (double) performance 96.00 GFLOPS (1:4) 20.00 GFLOPS (1:24)

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 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
Reviews 2 in our database
Predecessor GeForce 500M
Successor GeForce 700M

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