NVIDIA RTX 4000 Ada Generation vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA RTX 4000 Ada Generation

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 20GB VRAM RTX 4000 Ada Generation 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 RTX 4000 Ada Generation 's Advantages

Released 11 years and 4 months late

Boost Clock2175MHz

More VRAM (20GB vs 1024GB)

Larger VRAM bandwidth (360.0GB/s vs 91.87GB/s)

5856 additional rendering cores

NVIDIA GeForce GT 645 OEM 's Advantages

Lower TDP (102W vs 130W)

Score

Benchmark

FP32 (float)

RTX 4000 Ada Generation +2889%

26.73 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

RTX 4000 Ada Generation

VS

GeForce GT 645 OEM

Graphics Card

Aug 2023

Release Date

Apr 2012

Quadro Ada(x000A)

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1500 MHz

Base Clock

-

2175 MHz

Boost Clock

-

2250 MHz

Memory Clock

957 MHz

Memory

20GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

160bit

Memory Bus

192bit

360.0GB/s

Bandwidth

91.87GB/s

Render Config

-

48

SM Count

6

6144

Shading Units

288

192

TMUs

48

80

ROPs

24

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

64 KB (per SM)

48 MB

L2 Cache

384 KB

-

Theoretical Performance

174.0 GPixel/s

Pixel Rate

9.312 GPixel/s

417.6 GTexel/s

Texture Rate

37.25 GTexel/s

26.73 TFLOPS

FP16 (half)

-

26.73 TFLOPS

FP32 (float)

894.0 GFLOPS

417.6 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

130W

TDP

102W

300 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 16-pin

Power Connectors

-

Graphics Processor

AD104

GPU Name

GF114

-

Ada Lovelace

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

5 nm

Process Size

40 nm

35.8 billion

Transistors

1.95 billion

294 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

8.9

CUDA

2.1

6.8

Shader Model

5.1

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