NVIDIA GeForce GT 645 OEM vs NVIDIA Quadro FX 4000 SDI

VS

NVIDIA GeForce GT 645 OEM

NVIDIA Quadro FX 4000 SDI

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 256MB VRAM Quadro FX 4000 SDI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 8 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (91.87GB/s vs 32.00GB/s)

288 additional rendering cores

Lower TDP (102W vs 150W)

Score

GeForce GT 645 OEM

VS

Quadro FX 4000 SDI

Graphics Card

Apr 2012

Release Date

Apr 2004

GeForce 600

Generation

Quadro FX Rankine

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

957 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

32.00GB/s

Render Config

-

6

SM Count

-

288

Shading Units

-

48

TMUs

12

24

ROPs

8

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

3.400 GPixel/s

37.25 GTexel/s

Texture Rate

5.100 GTexel/s

-

894.0 GFLOPS

FP32 (float)

-

74.50 GFLOPS

FP64 (double)

-

Board Design

102W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 4x SDI

-

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

NV41

-

GPU Variant

NV41 GL

Fermi 2.0

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

1.95 billion

Transistors

0.19 billion

332 mm²

Die Size

225 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.0 (full) 2.1 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

3.0

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