NVIDIA GeForce GT 645 OEM vs NVIDIA RTX 2000 Ada Generation

VS

NVIDIA GeForce GT 645 OEM

NVIDIA RTX 2000 Ada Generation

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 16GB VRAM RTX 2000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX 2000 Ada Generation 's Advantages

Released 11 years and 10 months late

Boost Clock2130MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (256.0GB/s vs 91.87GB/s)

2528 additional rendering cores

Lower TDP (70W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

RTX 2000 Ada Generation +1242%

12 TFLOPS

GeForce GT 645 OEM

VS

RTX 2000 Ada Generation

Graphics Card

Apr 2012

Release Date

Feb 2024

GeForce 600

Generation

Quadro Ada

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1620 MHz

-

Boost Clock

2130 MHz

957 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

256.0GB/s

Render Config

-

6

SM Count

22

288

Shading Units

2816

48

TMUs

88

24

ROPs

48

-

Tensor Cores

88

-

RT Cores

22

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

12 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

102.2 GPixel/s

37.25 GTexel/s

Texture Rate

187.4 GTexel/s

-

FP16 (half)

12.00 TFLOPS

894.0 GFLOPS

FP32 (float)

12.00 TFLOPS

74.50 GFLOPS

FP64 (double)

187.4 GFLOPS

Board Design

102W

TDP

70W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x mini-DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

AD107

-

Fermi 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.95 billion

Transistors

18.9 billion

332 mm²

Die Size

159 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

8.9

5.1

Shader Model

6.7

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