NVIDIA GeForce GTX 1660 Ti Mobile vs AMD Radeon RX 640 Mobile

VS

NVIDIA GeForce GTX 1660 Ti Mobile

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 6GB VRAM GeForce GTX 1660 Ti Mobile and 2GB VRAM Radeon RX 640 Mobile 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

Boost Clock has increased by 31% (1590MHz vs 1218MHz)

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (288.0GB/s vs 48.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 1660 Ti Mobile +213%

4.884 TFLOPS

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 1660 Ti Mobile

VS

Radeon RX 640 Mobile

Graphics Card

Apr 2019

Release Date

May 2019

GeForce 16 Mobile

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1455 MHz

Base Clock

1082 MHz

1590 MHz

Boost Clock

1218 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

288.0GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

24

SM Count

-

1536

Shading Units

640

96

TMUs

40

48

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

1536 KB

L2 Cache

512 KB

-

Theoretical Performance

76.32 GPixel/s

Pixel Rate

19.49 GPixel/s

152.6 GTexel/s

Texture Rate

48.72 GTexel/s

9.769 TFLOPS

FP16 (half)

1.559 TFLOPS

4.884 TFLOPS

FP32 (float)

1.559 TFLOPS

152.6 GFLOPS

FP64 (double)

97.44 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

TU116

GPU Name

Polaris 23

-

GPU Variant

Polaris 23 XT

Turing

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

12 nm

Process Size

14 nm

6.6 billion

Transistors

2.2 billion

284 mm²

Die Size

103 mm²

Graphics Features

12 (12_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

7.5

CUDA

-

6.7

Shader Model

6.4

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