Intel Iris Plus Graphics 645 vs NVIDIA GeForce GT 820M

VS

Intel Iris Plus Graphics 645 NVIDIA GeForce GT 820M

We compared a Integrated graphics card GPU: 0System Shared VRAM Iris Plus Graphics 645 and a Mobile platform GPU: 1024MB VRAM GeForce GT 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Plus Graphics 645 's Advantages

Released 5 years and 11 months late

Boost Clock1050MHz

288 additional rendering cores

Score

Benchmark

FP32 (float)

Iris Plus Graphics 645 +170%

0.806 TFLOPS

GeForce GT 820M

0.298 TFLOPS

Iris Plus Graphics 645

VS

GeForce GT 820M

Graphics Card

Oct 2019

Release Date

Nov 2013

HD Graphics-M

Generation

GeForce 800M

Integrated

Type

Mobile

Ring Bus

Bus Interface

PCIe 2.0 x16

Clock Speeds

300 MHz

Base Clock

-

1050 MHz

Boost Clock

-

System Shared

Memory Clock

900 MHz

Memory

System Shared

Memory Size

1024MB

System Shared

Memory Type

DDR3

System Shared

Memory Bus

64bit

System Dependent

Bandwidth

14.40GB/s

Render Config

-

SM Count

2

-

Compute Units

-

384

Shading Units

96

48

TMUs

16

6

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

64 KB (per SM)

-

L2 Cache

128 KB

Theoretical Performance

6.300 GPixel/s

Pixel Rate

3.100 GPixel/s

50.40 GTexel/s

Texture Rate

12.40 GTexel/s

1.613 TFLOPS

FP16 (half)

-

806.4 GFLOPS

FP32 (float)

297.6 GFLOPS

201.6 GFLOPS

FP64 (double)

24.80 GFLOPS

Graphics Processor

Coffee Lake GT3e

GPU Name

GF117

-

GPU Variant

N15V-GM

Generation 9.5

Architecture

Fermi 2.0

Intel

Foundry

TSMC

14 nm+++

Process Size

28 nm

Unknown

Transistors

0.585 billion

Unknown

Die Size

116 mm²

Board Design

15W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (12_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

-

CUDA

2.1

6.4

Shader Model

5.1

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