Intel Iris Xe MAX Graphics vs NVIDIA GeForce GTX 660M

VS

Intel Iris Xe MAX Graphics

NVIDIA GeForce GTX 660M

We compared two Mobile platform GPUs: 4GB VRAM Iris Xe MAX Graphics and 1024MB VRAM GeForce GTX 660M 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 and 7 months late

Boost Clock has increased by 74% (1650MHz vs 950MHz)

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (68.26GB/s vs 64.00GB/s)

384 additional rendering cores

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Iris Xe MAX Graphics +247%

2.534 TFLOPS

GeForce GTX 660M

0.73 TFLOPS

Iris Xe MAX Graphics

VS

GeForce GTX 660M

Graphics Card

Oct 2020

Release Date

Mar 2012

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

835 MHz

1650 MHz

Boost Clock

950 MHz

2133 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

1024MB

LPDDR4X

Memory Type

GDDR5

128bit

Memory Bus

128bit

68.26GB/s

Bandwidth

64.00GB/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

-

Graphics Processor

DG1

GPU Name

GK107

-

GPU Variant

N13E-GE-A2

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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