NVIDIA GeForce GTX 1660 Ti Mobile vs NVIDIA GeForce GT 645M

VS

NVIDIA GeForce GTX 1660 Ti Mobile

NVIDIA GeForce GT 645M

We compared two Mobile platform GPUs: 6GB VRAM GeForce GTX 1660 Ti Mobile and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 Ti Mobile 's Advantages

Released 6 years and 6 months late

Boost Clock1590MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti Mobile +797%

4.884 TFLOPS

GeForce GT 645M

0.544 TFLOPS

GeForce GTX 1660 Ti Mobile

VS

GeForce GT 645M

Graphics Card

Apr 2019

Release Date

Oct 2012

GeForce 16 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1455 MHz

Base Clock

-

1590 MHz

Boost Clock

-

1500 MHz

Memory Clock

900 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

288.0GB/s

Bandwidth

28.80GB/s

Render Config

-

24

SM Count

-

1536

Shading Units

384

96

TMUs

32

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

-

Theoretical Performance

76.32 GPixel/s

Pixel Rate

5.672 GPixel/s

152.6 GTexel/s

Texture Rate

22.69 GTexel/s

9.769 TFLOPS

FP16 (half)

-

4.884 TFLOPS

FP32 (float)

544.5 GFLOPS

152.6 GFLOPS

FP64 (double)

22.69 GFLOPS

Board Design

Unknown

TDP

32W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

TU116

GPU Name

GK107

-

GPU Variant

N13P-GS

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

6.6 billion

Transistors

1.27 billion

284 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

7.5

CUDA

3.0

6.7

Shader Model

5.1

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