NVIDIA GeForce RTX 2060 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce RTX 2060 NVIDIA GeForce GT 640

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

Main Differences

NVIDIA GeForce RTX 2060 's Advantages

Released 6 years and 7 months late

Boost Clock1680MHz

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (336.0GB/s vs 28.51GB/s)

1536 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 160W)

Score

Benchmark

FP32 (float)

GeForce RTX 2060 +830%

6.451 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce RTX 2060

VS

GeForce GT 640

Graphics Card

Jan 2019

Release Date

Jun 2012

GeForce 20

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1365 MHz

Base Clock

-

1680 MHz

Boost Clock

-

1750 MHz

Memory Clock

891 MHz

Memory

6GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

336.0GB/s

Bandwidth

28.51GB/s

Render Config

30

SM Count

-

Compute Units

-

1920

Shading Units

384

120

TMUs

32

48

ROPs

16

240

Tensor Cores

-

30

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

256 KB

Theoretical Performance

80.64 GPixel/s

Pixel Rate

7.216 GPixel/s

201.6 GTexel/s

Texture Rate

28.86 GTexel/s

12.90 TFLOPS

FP16 (half)

-

6.451 TFLOPS

FP32 (float)

692.7 GFLOPS

201.6 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

TU106

GPU Name

GK107

TU106-200A-KA-A1

GPU Variant

GK107-300-A2

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

160W

TDP

65W

450 W

Suggested PSU

250 W

1x DVI 1x HDMI 2.0 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

1x 8-pin

Power Connectors

None

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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