NVIDIA GeForce RTX 2060 Mobile Refresh vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce RTX 2060 Mobile Refresh NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 6GB VRAM GeForce RTX 2060 Mobile Refresh 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 RTX 2060 Mobile Refresh 's Advantages

Released 5 years and 11 months late

Boost Clock1560MHz

Larger VRAM bandwidth (264.0GB/s vs 40.00GB/s)

1536 additional rendering cores

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Lower TDP (32W vs 65W)

Score

Benchmark

FP32 (float)

GeForce RTX 2060 Mobile Refresh +947%

5.99 TFLOPS

GeForce GT 640M Mac Edition

0.572 TFLOPS

GeForce RTX 2060 Mobile Refresh

VS

GeForce GT 640M Mac Edition

Graphics Card

Jan 2019

Release Date

Feb 2013

GeForce 20 Mobile

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1005 MHz

Base Clock

-

1560 MHz

Boost Clock

-

1375 MHz

Memory Clock

1250 MHz

Memory

6GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

64bit

264.0GB/s

Bandwidth

40.00GB/s

Render Config

30

SM Count

-

Compute Units

-

1920

Shading Units

384

120

TMUs

32

48

ROPs

8

240

Tensor Cores

-

30

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

128 KB

Theoretical Performance

74.88 GPixel/s

Pixel Rate

5.960 GPixel/s

187.2 GTexel/s

Texture Rate

23.84 GTexel/s

11.98 TFLOPS

FP16 (half)

-

5.990 TFLOPS

FP32 (float)

572.2 GFLOPS

187.2 GFLOPS

FP64 (double)

23.84 GFLOPS

Graphics Processor

TU106B

GPU Name

GK107

N18E-G1-KD-A1

GPU Variant

N13P-GS

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

10.8 billion

Transistors

1.27 billion

445 mm²

Die Size

118 mm²

Board Design

65W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.0

6.6

Shader Model

5.1

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