NVIDIA GeForce GT 645 OEM vs NVIDIA RTX A5000-12Q

VS

NVIDIA GeForce GT 645 OEM

NVIDIA RTX A5000-12Q

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 12GB VRAM RTX A5000 12Q 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 230W)

NVIDIA RTX A5000-12Q 's Advantages

Released 9 years late

Boost Clock1695MHz

More VRAM (12GB vs 1024GB)

Larger VRAM bandwidth (768.0GB/s vs 91.87GB/s)

7904 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

RTX A5000 12Q +3006%

27.77 TFLOPS

GeForce GT 645 OEM

VS

RTX A5000 12Q

Graphics Card

Apr 2012

Release Date

Apr 2021

GeForce 600

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1170 MHz

-

Boost Clock

1695 MHz

957 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

192bit

Memory Bus

384bit

91.87GB/s

Bandwidth

768.0GB/s

Render Config

-

6

SM Count

64

288

Shading Units

8192

48

TMUs

256

24

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

64 KB (per SM)

L1 Cache

128 KB (per SM)

384 KB

L2 Cache

6 MB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

162.7 GPixel/s

37.25 GTexel/s

Texture Rate

433.9 GTexel/s

-

FP16 (half)

27.77 TFLOPS

894.0 GFLOPS

FP32 (float)

27.77 TFLOPS

74.50 GFLOPS

FP64 (double)

433.9 GFLOPS

Board Design

102W

TDP

230W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DisplayPort 1.4a

-

Power Connectors

1x 8-pin

Graphics Processor

GF114

GPU Name

GA102

-

Fermi 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

40 nm

Process Size

8 nm

1.95 billion

Transistors

28.3 billion

332 mm²

Die Size

628 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

6.7

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