Intel Arc Pro A40 vs NVIDIA GeForce GTX 660 Rev. 2

VS

Intel Arc Pro A40

NVIDIA GeForce GTX 660 Rev. 2

We compared two Desktop platform GPUs: 6GB VRAM Arc Pro A40 and 2GB VRAM GeForce GTX 660 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc Pro A40 's Advantages

Released 7 years and 11 months late

Boost Clock has increased by 65% (1700MHz vs 1032MHz)

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 144.2GB/s)

64 additional rendering cores

Lower TDP (50W vs 140W)

Score

Benchmark

FP32 (float)

Arc Pro A40 +75%

3.482 TFLOPS

GeForce GTX 660 Rev. 2

1.981 TFLOPS

Arc Pro A40

VS

GeForce GTX 660 Rev. 2

Graphics Card

Aug 2022

Release Date

Sep 2014

Alchemist

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1500 MHz

Base Clock

980 MHz

1700 MHz

Boost Clock

1032 MHz

2000 MHz

Memory Clock

1502 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

96bit

Memory Bus

192bit

192.0GB/s

Bandwidth

144.2GB/s

Render Config

-

1024

Shading Units

960

64

TMUs

80

32

ROPs

24

-

8

RT Cores

-

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

54.40 GPixel/s

Pixel Rate

20.64 GPixel/s

108.8 GTexel/s

Texture Rate

82.56 GTexel/s

6.963 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

1.981 TFLOPS

870.4 GFLOPS

FP64 (double)

82.56 GFLOPS

Board Design

50W

TDP

140W

250 W

Suggested PSU

300 W

4x mini-DisplayPort 2.0

Outputs

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

None

Power Connectors

1x 6-pin

Graphics Processor

DG2-128

GPU Name

GK104

ACM-G11

GPU Variant

-

Generation 12.7

Architecture

Kepler

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

7.2 billion

Transistors

3.54 billion

157 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

-

CUDA

3.0

6.6

Shader Model

5.1

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