NVIDIA GeForce GTX 660 Ti vs Intel Arc A780

VS

NVIDIA GeForce GTX 660 Ti Intel Arc A780

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 Ti and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 Ti 's Advantages

Lower TDP (150W vs 200W)

Intel Arc A780 's Advantages

Boost Clock has increased by 124% (2200MHz vs 980MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (559.6GB/s vs 144.2GB/s)

2752 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 660 Ti

2.634 TFLOPS

Arc A780 +584%

18.02 TFLOPS

GeForce GTX 660 Ti

VS

Arc A780

Graphics Card

Aug 2012

Release Date

Unknown

GeForce 600

Generation

Alchemist

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

915 MHz

Base Clock

2200 MHz

980 MHz

Boost Clock

2200 MHz

1502 MHz

Memory Clock

1093 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

256bit

144.2GB/s

Bandwidth

559.6GB/s

Render Config

-

SM Count

-

Compute Units

-

1344

Shading Units

4096

112

TMUs

256

24

ROPs

128

-

Tensor Cores

512

-

RT Cores

32

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

16 MB

Theoretical Performance

27.44 GPixel/s

Pixel Rate

281.6 GPixel/s

109.8 GTexel/s

Texture Rate

563.2 GTexel/s

-

FP16 (half)

36.04 TFLOPS

2.634 TFLOPS

FP32 (float)

18.02 TFLOPS

109.8 GFLOPS

FP64 (double)

-

Graphics Processor

GK104

GPU Name

DG2-512

GK104-300-KD-A2

GPU Variant

ACM-G10

Kepler

Architecture

Generation 12.7

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

3.54 billion

Transistors

21.7 billion

294 mm²

Die Size

406 mm²

Board Design

150W

TDP

200W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 2.0

2x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

-

5.1

Shader Model

6.6

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