NVIDIA GeForce GTX 1660 Ti Max Q vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce GTX 1660 Ti Max Q

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 6GB VRAM GeForce GTX 1660 Ti Max Q and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 1660 Ti Max Q 's Advantages

Released 6 years and 2 months late

Boost Clock1335MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (288.0GB/s vs 40.00GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti Max Q +616%

4.101 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce GTX 1660 Ti Max Q

VS

GeForce GT 640M Mac Edition

Graphics Card

Apr 2019

Release Date

Feb 2013

GeForce 16 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1140 MHz

Base Clock

-

1335 MHz

Boost Clock

-

1500 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

288.0GB/s

Bandwidth

40.00GB/s

Render Config

-

24

SM Count

-

1536

Shading Units

384

96

TMUs

32

48

ROPs

8

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

128 KB

-

Theoretical Performance

64.08 GPixel/s

Pixel Rate

5.960 GPixel/s

128.2 GTexel/s

Texture Rate

23.84 GTexel/s

8.202 TFLOPS

FP16 (half)

-

4.101 TFLOPS

FP32 (float)

572.2 GFLOPS

128.2 GFLOPS

FP64 (double)

23.84 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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