Intel Iris Xe MAX Graphics vs NVIDIA GeForce GTX 660M Mac Edition

VS

Intel Iris Xe MAX Graphics

NVIDIA GeForce GTX 660M Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 512MB VRAM GeForce GTX 660M Mac Edition 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 7 years and 6 months late

Boost Clock1650MHz

More VRAM (4GB vs 512GB)

384 additional rendering cores

Lower TDP (25W vs 50W)

NVIDIA GeForce GTX 660M Mac Edition 's Advantages

Larger VRAM bandwidth (80.00GB/s vs 68.26GB/s)

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +247%

2.534 TFLOPS

GeForce GTX 660M Mac Edition

0.73 TFLOPS

Iris Xe MAX Graphics

VS

GeForce GTX 660M Mac Edition

Graphics Card

Oct 2020

Release Date

Apr 2013

HD Graphics-M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 4.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2133 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

512MB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

80.00GB/s

Render Config

-

768

Shading Units

384

48

TMUs

32

24

ROPs

16

-

L1 Cache

16 KB (per SMX)

1024 KB

L2 Cache

256 KB

16 MB

L3 Cache

-

Theoretical Performance

39.60 GPixel/s

Pixel Rate

7.600 GPixel/s

79.20 GTexel/s

Texture Rate

30.40 GTexel/s

5.069 TFLOPS

FP16 (half)

-

2.534 TFLOPS

FP32 (float)

729.6 GFLOPS

633.6 GFLOPS

FP64 (double)

30.40 GFLOPS

Board Design

25W

TDP

50W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

DG1

GPU Name

GK107

-

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

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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