NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 2060

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 2060

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

Main Differences

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 160W)

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

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 2060 +830%

6.451 TFLOPS

GeForce GT 640

VS

GeForce RTX 2060

Graphics Card

Jun 2012

Release Date

Jan 2019

GeForce 600

Generation

GeForce 20

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1365 MHz

-

Boost Clock

1680 MHz

891 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

6GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

28.51GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

30

384

Shading Units

1920

32

TMUs

120

16

ROPs

48

-

Tensor Cores

240

-

RT Cores

30

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

80.64 GPixel/s

28.86 GTexel/s

Texture Rate

201.6 GTexel/s

-

FP16 (half)

12.90 TFLOPS

692.7 GFLOPS

FP32 (float)

6.451 TFLOPS

28.86 GFLOPS

FP64 (double)

201.6 GFLOPS

Board Design

65W

TDP

160W

250 W

Suggested PSU

450 W

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

Outputs

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

None

Power Connectors

1x 8-pin

Graphics Processor

GK107

GPU Name

TU106

GK107-300-A2

GPU Variant

TU106-200A-KA-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

1.27 billion

Transistors

10.8 billion

118 mm²

Die Size

445 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

7.5

5.1

Shader Model

6.6

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