Intel Iris Xe Graphics G4 vs NVIDIA GeForce GT 640 OEM Rebrand

Table of Contents

Graphics Processor

GPU model Tiger Lake GT2 GF116
Architecture Generation 12.1 Fermi 2.0
Foundry Intel TSMC
Manufacturing process 10 nm 40 nm
Number of transistors unknown 1,170 million
Die size 146 mm² 238 mm²
GPU variant GF116-150-A1

Integrated Graphics

Release date Sep 2nd, 2020
Generation Iris Xe Graphics-M (Tiger Lake)
Production Active
Interface Ring Bus
Reviews 1 in our database

Clocks

Base clock 300 MHz
Boost clock 1100 MHz
Memory clock System Shared 800 MHz 1600 Mbps effective
GPU clock 720 MHz
Shader clock 1440 MHz

Memory Configuration

Memory size System Shared 1536 MB
Memory type System Shared DDR3
Memory bus width System Shared 192 bit
Bandwidth System Dependent 38.40 GB/s

Render Configuration

Shading units 384 144
TMUs 24 24
ROPs 12 24
Execution units 48
gpu.details.l3-cache 3.75 MB
SM count 3
Cache L1 64 KB (per SM)
Cache L2 384 KB

Performance

Pixel rate 13.20 GPixel/s 4.320 GPixel/s
Texture rate 26.40 GTexel/s 17.28 GTexel/s
FP16 (half) performance 1.690 TFLOPS (2:1)
FP32 (float) performance 844.8 GFLOPS 414.7 GFLOPS
FP64 (double) performance 211.2 GFLOPS (1:4) 34.56 GFLOPS (1:12)

Dimensions & Outputs

Slot width IGP Single-slot
TDP 15 W 75 W
Outputs No outputs 2x DVI1x mini-HDMI
Length 145 mm 5.7 inches
Suggested PSU 250 W
Power connectors None
Board number P1062

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

Graphics Card

Release date Apr 24th, 2012
Generation GeForce 600
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 500
Successor GeForce 700

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