NVIDIA GeForce RTX 3060 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce RTX 3060 NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 12GB VRAM GeForce RTX 3060 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 3060 's Advantages

Released 8 years and 7 months late

Boost Clock1777MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (360.0GB/s vs 28.51GB/s)

3200 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Lower TDP (65W vs 170W)

Score

Benchmark

FP32 (float)

GeForce RTX 3060 +1738%

12.74 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce RTX 3060

VS

GeForce GT 640

Graphics Card

Jan 2021

Release Date

Jun 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1320 MHz

Base Clock

-

1777 MHz

Boost Clock

-

1875 MHz

Memory Clock

891 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

360.0GB/s

Bandwidth

28.51GB/s

Render Config

28

SM Count

-

Compute Units

-

3584

Shading Units

384

112

TMUs

32

48

ROPs

16

112

Tensor Cores

-

28

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

256 KB

Theoretical Performance

85.30 GPixel/s

Pixel Rate

7.216 GPixel/s

199.0 GTexel/s

Texture Rate

28.86 GTexel/s

12.74 TFLOPS

FP16 (half)

-

12.74 TFLOPS

FP32 (float)

692.7 GFLOPS

199.0 GFLOPS

FP64 (double)

28.86 GFLOPS

Graphics Processor

GA106

GPU Name

GK107

GA106-300-A1

GPU Variant

GK107-300-A2

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

12 billion

Transistors

1.27 billion

276 mm²

Die Size

118 mm²

Board Design

170W

TDP

65W

450 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 12-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

8.6

CUDA

3.0

6.6

Shader Model

5.1

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