Intel HD Graphics 615 vs NVIDIA GeForce GT 640M Mac Edition

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 Aug 30th, 2016
Generation HD Graphics-M (Kaby Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

Clocks

Base clock 300 MHz
Boost clock 850 MHz
Memory clock System Shared 1250 MHz 5 Gbps effective
GPU clock 745 MHz

Memory Configuration

Memory size System Shared 512 MB
Memory type System Shared GDDR5
Memory bus width System Shared 64 bit
Bandwidth System Dependent 40.00 GB/s

Render Configuration

Shading units 192 384
TMUs 24 32
ROPs 3 8
Execution units 24
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 128 KB

Performance

Pixel rate 2.550 GPixel/s 5.960 GPixel/s
Texture rate 20.40 GTexel/s 23.84 GTexel/s
FP16 (half) performance 652.8 GFLOPS (2:1)
FP32 (float) performance 326.4 GFLOPS 572.2 GFLOPS
FP64 (double) performance 81.60 GFLOPS (1:4) 23.84 GFLOPS (1:24)

Dimensions & Outputs

Slot width IGP
TDP 5 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 Feb 3rd, 2013
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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