NVIDIA GeForce 605 OEM vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce 605 OEM

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 605 OEM 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 GeForce 605 OEM 's Advantages

Lower TDP (25W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 14.35GB/s)

240 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 605 OEM

0.1 TFLOPS

GeForce GT 645 OEM +794%

0.894 TFLOPS

GeForce 605 OEM

VS

GeForce GT 645 OEM

Graphics Card

Apr 2012

Release Date

Apr 2012

GeForce 600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

897 MHz

Memory Clock

957 MHz

Memory

512MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

192bit

14.35GB/s

Bandwidth

91.87GB/s

Render Config

-

1

SM Count

6

48

Shading Units

288

8

TMUs

48

4

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

1.046 GPixel/s

Pixel Rate

9.312 GPixel/s

4.184 GTexel/s

Texture Rate

37.25 GTexel/s

-

100.4 GFLOPS

FP32 (float)

894.0 GFLOPS

8.368 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

25W

TDP

102W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

GF119

GPU Name

GF114

GF119-200-A1

GPU Variant

-

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

1.95 billion

79 mm²

Die Size

332 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

2.1

5.1

Shader Model

5.1

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