NVIDIA GeForce GT 645 OEM vs NVIDIA RTX 4500 Ada Generation

VS

NVIDIA GeForce GT 645 OEM

NVIDIA RTX 4500 Ada Generation

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 24GB VRAM RTX 4500 Ada Generation 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 210W)

NVIDIA RTX 4500 Ada Generation 's Advantages

Released 11 years and 4 months late

Boost Clock2580MHz

More VRAM (24GB vs 1024GB)

Larger VRAM bandwidth (432.0GB/s vs 91.87GB/s)

7392 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

RTX 4500 Ada Generation +4332%

39.63 TFLOPS

GeForce GT 645 OEM

VS

RTX 4500 Ada Generation

Graphics Card

Apr 2012

Release Date

Aug 2023

GeForce 600

Generation

Quadro Ada

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2070 MHz

-

Boost Clock

2580 MHz

957 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

24GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

192bit

91.87GB/s

Bandwidth

432.0GB/s

Render Config

-

6

SM Count

60

288

Shading Units

7680

48

TMUs

240

24

ROPs

80

-

Tensor Cores

240

-

RT Cores

60

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

48 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

206.4 GPixel/s

37.25 GTexel/s

Texture Rate

619.2 GTexel/s

-

FP16 (half)

39.63 TFLOPS

894.0 GFLOPS

FP32 (float)

39.63 TFLOPS

74.50 GFLOPS

FP64 (double)

619.2 GFLOPS

Board Design

102W

TDP

210W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

AD103

-

Fermi 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.95 billion

Transistors

45.9 billion

332 mm²

Die Size

379 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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