NVIDIA GeForce GT 640 vs NVIDIA GeForce RTX 3060 GA104

VS

NVIDIA GeForce GT 640

NVIDIA GeForce RTX 3060 GA104

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 12GB VRAM GeForce RTX 3060 GA104 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 170W)

NVIDIA GeForce RTX 3060 GA104 's Advantages

Released 9 years and 3 months late

Boost Clock1777MHz

More VRAM (12GB vs 2GB)

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

3200 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 640

0.693 TFLOPS

GeForce RTX 3060 GA104 +1738%

12.74 TFLOPS

GeForce GT 640

VS

GeForce RTX 3060 GA104

Graphics Card

Jun 2012

Release Date

Sep 2021

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1320 MHz

-

Boost Clock

1777 MHz

891 MHz

Memory Clock

1875 MHz

Memory

2GB

Memory Size

12GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

192bit

28.51GB/s

Bandwidth

360.0GB/s

Render Config

-

SM Count

28

384

Shading Units

3584

32

TMUs

112

16

ROPs

48

-

Tensor Cores

112

-

RT Cores

28

16 KB (per SMX)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

3 MB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

85.30 GPixel/s

28.86 GTexel/s

Texture Rate

199.0 GTexel/s

-

FP16 (half)

12.74 TFLOPS

692.7 GFLOPS

FP32 (float)

12.74 TFLOPS

28.86 GFLOPS

FP64 (double)

199.0 GFLOPS

Board Design

65W

TDP

170W

250 W

Suggested PSU

450 W

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

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

None

Power Connectors

1x 12-pin

Graphics Processor

GK107

GPU Name

GA104

GK107-300-A2

GPU Variant

GA104-150-A1

Kepler

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.27 billion

Transistors

17.4 billion

118 mm²

Die Size

392 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

8.6

5.1

Shader Model

6.6

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