NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce 6200 X2 PCI

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce 6200 X2 PCI

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 256MB VRAM GeForce 6200 X2 PCI 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 4 years and 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (91.87GB/s vs 3.200GB/s)

288 additional rendering cores

Score

GeForce GT 645 OEM

VS

GeForce 6200 X2 PCI

Graphics Card

Apr 2012

Release Date

Jan 2008

GeForce 600

Generation

GeForce 6 PCI

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

957 MHz

Memory Clock

200 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

91.87GB/s

Bandwidth

3.200GB/s

Render Config

-

6

SM Count

-

288

Shading Units

-

48

TMUs

4

24

ROPs

2

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

560.0 MPixel/s

37.25 GTexel/s

Texture Rate

1.120 GTexel/s

-

894.0 GFLOPS

FP32 (float)

-

74.50 GFLOPS

FP64 (double)

-

Board Design

102W

TDP

Unknown

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DMS-59

-

Power Connectors

1x 6-pin

Graphics Processor

GF114

GPU Name

NV44

-

Fermi 2.0

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

1.95 billion

Transistors

0.075 billion

332 mm²

Die Size

110 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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