NVIDIA GeForce RTX 3060 3840SP vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce RTX 3060 3840SP

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 6GB VRAM GeForce RTX 3060 3840SP and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3060 3840SP 's Advantages

Released 7 years and 9 months late

Boost Clock1852MHz

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (336.0GB/s vs 64.00GB/s)

3264 additional rendering cores

NVIDIA GeForce GTX 645 OEM 's Advantages

Lower TDP (65W vs 185W)

Score

Benchmark

FP32 (float)

GeForce RTX 3060 3840SP +1398%

14.22 TFLOPS

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce RTX 3060 3840SP

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2021

Release Date

Apr 2013

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1627 MHz

Base Clock

-

1852 MHz

Boost Clock

-

1750 MHz

Memory Clock

1000 MHz

Memory

6GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

192bit

Memory Bus

128bit

336.0GB/s

Bandwidth

64.00GB/s

Render Config

-

30

SM Count

-

3840

Shading Units

576

120

TMUs

48

ROPs

16

120

Tensor Cores

-

30

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per SMX)

3 MB

L2 Cache

256 KB

-

Theoretical Performance

88.90 GPixel/s

Pixel Rate

9.888 GPixel/s

222.2 GTexel/s

Texture Rate

39.55 GTexel/s

14.22 TFLOPS

FP16 (half)

-

14.22 TFLOPS

FP32 (float)

949.2 GFLOPS

222.2 GFLOPS

FP64 (double)

39.55 GFLOPS

Board Design

185W

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 Processor

GA106

GPU Name

GK106

GA106-400-A1

GPU Variant

GK106-200-A1

Ampere

Architecture

Kepler

Samsung

Foundry

TSMC

8 nm

Process Size

28 nm

12 billion

Transistors

2.54 billion

276 mm²

Die Size

221 mm²

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

6.7

Shader Model

5.1

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