Intel Iris Xe MAX Graphics vs NVIDIA GeForce GT 645M

VS

Intel Iris Xe MAX Graphics NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Iris Xe MAX Graphics 's Advantages

Released 8 years late

Boost Clock1650MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (68.26GB/s vs 28.80GB/s)

384 additional rendering cores

Lower TDP (25W vs 32W)

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +365%

2.534 TFLOPS

GeForce GT 645M

0.544 TFLOPS

Iris Xe MAX Graphics

VS

GeForce GT 645M

Graphics Card

Oct 2020

Release Date

Oct 2012

HD Graphics-M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2133 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

LPDDR4X

Memory Type

DDR3

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

Compute Units

-

768

Shading Units

384

48

TMUs

32

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

Theoretical Performance

39.60 GPixel/s

Pixel Rate

5.672 GPixel/s

79.20 GTexel/s

Texture Rate

22.69 GTexel/s

5.069 TFLOPS

FP16 (half)

-

2.534 TFLOPS

FP32 (float)

544.5 GFLOPS

633.6 GFLOPS

FP64 (double)

22.69 GFLOPS

Graphics Processor

DG1

GPU Name

GK107

-

GPU Variant

N13P-GS

Generation 12.1

Architecture

Kepler

Intel

Foundry

TSMC

10 nm

Process Size

28 nm

Unknown

Transistors

1.27 billion

95 mm²

Die Size

118 mm²

Board Design

25W

TDP

32W

-

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

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.4

Shader Model

5.1

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