NVIDIA GeForce RTX 3060 Ti GA103 vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce RTX 3060 Ti GA103

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 8GB VRAM GeForce RTX 3060 Ti GA103 and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3060 Ti GA103 's Advantages

Released 9 years and 10 months late

Boost Clock1665MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (448.0GB/s vs 91.87GB/s)

4576 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 200W)

Score

Benchmark

FP32 (float)

GeForce RTX 3060 Ti GA103 +1712%

16.2 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 3060 Ti GA103

VS

GeForce GT 645 OEM

Graphics Card

Feb 2022

Release Date

Apr 2012

GeForce 30

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1410 MHz

Base Clock

-

1665 MHz

Boost Clock

-

1750 MHz

Memory Clock

957 MHz

Memory

8GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

192bit

448.0GB/s

Bandwidth

91.87GB/s

Render Config

-

38

SM Count

6

4864

Shading Units

288

152

TMUs

48

80

ROPs

24

152

Tensor Cores

-

38

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

4 MB

L2 Cache

384 KB

-

Theoretical Performance

133.2 GPixel/s

Pixel Rate

9.312 GPixel/s

253.1 GTexel/s

Texture Rate

37.25 GTexel/s

16.20 TFLOPS

FP16 (half)

-

16.20 TFLOPS

FP32 (float)

894.0 GFLOPS

253.1 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

200W

TDP

102W

550 W

Suggested PSU

300 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 12-pin

Power Connectors

-

Graphics Processor

GA103S

GPU Name

GF114

GA103-200-A1

GPU Variant

-

Ampere

Architecture

Fermi 2.0

Samsung

Foundry

TSMC

8 nm

Process Size

40 nm

Unknown

Transistors

1.95 billion

496 mm²

Die Size

332 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

1.3

Vulkan

N/A

8.6

CUDA

2.1

6.5

Shader Model

5.1

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