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

VS

AMD Radeon RX 640 Mobile NVIDIA GeForce GTX 1660 Ti Max Q

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

Boost Clock has increased by 10% (1335MHz 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)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce GTX 1660 Ti Max Q +163%

4.101 TFLOPS

Radeon RX 640 Mobile

VS

GeForce GTX 1660 Ti Max Q

Graphics Card

May 2019

Release Date

Apr 2019

Mobility Radeon

Generation

GeForce 16 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

1140 MHz

1218 MHz

Boost Clock

1335 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

48.00GB/s

Bandwidth

288.0GB/s

Render Config

-

SM Count

24

10

Compute Units

-

640

Shading Units

1536

40

TMUs

96

16

ROPs

48

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

1536 KB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

64.08 GPixel/s

48.72 GTexel/s

Texture Rate

128.2 GTexel/s

1.559 TFLOPS

FP16 (half)

8.202 TFLOPS

1.559 TFLOPS

FP32 (float)

4.101 TFLOPS

97.44 GFLOPS

FP64 (double)

128.2 GFLOPS

Graphics Processor

Polaris 23

GPU Name

TU116

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

6.6 billion

103 mm²

Die Size

284 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.4

Shader Model

6.7

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