Intel Iris Xe Graphics G4 vs NVIDIA GeForce GT 640 Rev. 2

Table of Contents

Graphics Processor

GPU model Tiger Lake GT2 GK208
Architecture Generation 12.1 Kepler 2.0
Foundry Intel TSMC
Manufacturing process 10 nm 28 nm
Number of transistors unknown 1,020 million
Die size 146 mm² 87 mm²
GPU variant GK208-400-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 1252 MHz 5 Gbps effective
GPU clock 1046 MHz

Memory Configuration

Memory size System Shared 1024 MB
Memory type System Shared GDDR5
Memory bus width System Shared 64 bit
Bandwidth System Dependent 40.06 GB/s

Render Configuration

Shading units 384 384
TMUs 24 32
ROPs 12 8
Execution units 48
gpu.details.l3-cache 3.75 MB
SMX count 2
Cache L1 16 KB (per SMX)
Cache L2 512 KB

Performance

Pixel rate 13.20 GPixel/s 8.368 GPixel/s
Texture rate 26.40 GTexel/s 33.47 GTexel/s
FP16 (half) performance 1.690 TFLOPS (2:1)
FP32 (float) performance 844.8 GFLOPS 803.3 GFLOPS
FP64 (double) performance 211.2 GFLOPS (1:4) 33.47 GFLOPS (1:24)

Dimensions & Outputs

Slot width IGP Single-slot
TDP 15 W 49 W
Outputs No outputs 1x DVI1x HDMI1x VGA
Length 145 mm 5.7 inches
Suggested PSU 200 W
Power connectors None
Board number P2131

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 3.5

Other Features

Graphics Card

Release date May 29th, 2013
Generation GeForce 600
Production End-of-life
Launch price 89 USD
Interface PCIe 2.0 x8
Predecessor GeForce 500
Successor GeForce 700

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