AMD Radeon RX 640 Mobile vs NVIDIA GeForce RTX 2060 Mobile Refresh

VS

AMD Radeon RX 640 Mobile

NVIDIA GeForce RTX 2060 Mobile Refresh

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 6GB VRAM GeForce RTX 2060 Mobile Refresh to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Lower TDP (50W vs 65W)

NVIDIA GeForce RTX 2060 Mobile Refresh 's Advantages

Boost Clock has increased by 28% (1560MHz vs 1218MHz)

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 48.00GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

GeForce RTX 2060 Mobile Refresh +284%

5.99 TFLOPS

Radeon RX 640 Mobile

VS

GeForce RTX 2060 Mobile Refresh

Graphics Card

May 2019

Release Date

Jan 2019

Mobility Radeon

Generation

GeForce 20 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

1005 MHz

1218 MHz

Boost Clock

1560 MHz

1500 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

192bit

48.00GB/s

Bandwidth

264.0GB/s

Render Config

10

Compute Units

-

SM Count

30

640

Shading Units

1920

40

TMUs

120

16

ROPs

48

-

Tensor Cores

240

-

RT Cores

30

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

74.88 GPixel/s

48.72 GTexel/s

Texture Rate

187.2 GTexel/s

1.559 TFLOPS

FP16 (half)

11.98 TFLOPS

1.559 TFLOPS

FP32 (float)

5.990 TFLOPS

97.44 GFLOPS

FP64 (double)

187.2 GFLOPS

Board Design

50W

TDP

65W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

TU106B

Polaris 23 XT

GPU Variant

N18E-G1-KD-A1

GCN 4.0

Architecture

Turing

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

12 nm

2.2 billion

Transistors

10.8 billion

103 mm²

Die Size

445 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

7.5

6.4

Shader Model

6.6

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