NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce RTX 3070 Ti 16 GB

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce RTX 3070 Ti 16 GB

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 16GB VRAM GeForce RTX 3070 Ti 16 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 290W)

NVIDIA GeForce RTX 3070 Ti 16 GB 's Advantages

Boost Clock1770MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (608.3GB/s vs 91.87GB/s)

5856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce RTX 3070 Ti 16 GB +2332%

21.75 TFLOPS

GeForce GT 645 OEM

VS

GeForce RTX 3070 Ti 16 GB

Graphics Card

Apr 2012

Release Date

Unknown

GeForce 600

Generation

GeForce 30

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1575 MHz

-

Boost Clock

1770 MHz

957 MHz

Memory Clock

1188 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6X

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

608.3GB/s

Render Config

-

6

SM Count

48

288

Shading Units

6144

48

TMUs

192

24

ROPs

96

-

Tensor Cores

192

-

RT Cores

48

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

4 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

169.9 GPixel/s

37.25 GTexel/s

Texture Rate

339.8 GTexel/s

-

FP16 (half)

21.75 TFLOPS

894.0 GFLOPS

FP32 (float)

21.75 TFLOPS

74.50 GFLOPS

FP64 (double)

339.8 GFLOPS

Board Design

102W

TDP

290W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

-

Power Connectors

1x 12-pin

Graphics Processor

GF114

GPU Name

GA104

-

GPU Variant

GA104-401-A1

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.95 billion

Transistors

17.4 billion

332 mm²

Die Size

392 mm²

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

2.1

CUDA

8.6

5.1

Shader Model

6.6

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