NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GTX 570 Rev. 2

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GTX 570 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1280MB VRAM GeForce GTX 570 Rev. 2 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 1 years and 4 months late

Lower TDP (102W vs 219W)

NVIDIA GeForce GTX 570 Rev. 2 's Advantages

More VRAM (1280GB vs 1024GB)

Larger VRAM bandwidth (152.0GB/s vs 91.87GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 570 Rev. 2 +57%

1.405 TFLOPS

GeForce GT 645 OEM

VS

GeForce GTX 570 Rev. 2

Graphics Card

Apr 2012

Release Date

Dec 2010

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

320bit

91.87GB/s

Bandwidth

152.0GB/s

Render Config

-

6

SM Count

15

288

Shading Units

480

48

TMUs

60

24

ROPs

40

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

640 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

21.96 GPixel/s

37.25 GTexel/s

Texture Rate

43.92 GTexel/s

-

894.0 GFLOPS

FP32 (float)

1405 GFLOPS

74.50 GFLOPS

FP64 (double)

175.7 GFLOPS

Board Design

102W

TDP

219W

300 W

Suggested PSU

550 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort

-

Power Connectors

2x 6-pin

Graphics Processor

GF114

GPU Name

GF110

-

GPU Variant

GF110-275-A1

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

3 billion

332 mm²

Die Size

520 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

2.0

5.1

Shader Model

5.1

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