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

VS

NVIDIA GeForce GTX 570 Rev. 2

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 570 Rev. 2 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 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

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 4 months late

Lower TDP (102W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 570 Rev. 2 +57%

1.405 TFLOPS

GeForce GT 645 OEM

0.894 TFLOPS

GeForce GTX 570 Rev. 2

VS

GeForce GT 645 OEM

Graphics Card

Dec 2010

Release Date

Apr 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

950 MHz

Memory Clock

957 MHz

Memory

1280MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

192bit

152.0GB/s

Bandwidth

91.87GB/s

Render Config

-

15

SM Count

6

480

Shading Units

288

60

TMUs

48

40

ROPs

24

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

640 KB

L2 Cache

384 KB

-

Theoretical Performance

21.96 GPixel/s

Pixel Rate

9.312 GPixel/s

43.92 GTexel/s

Texture Rate

37.25 GTexel/s

-

1405 GFLOPS

FP32 (float)

894.0 GFLOPS

175.7 GFLOPS

FP64 (double)

74.50 GFLOPS

Board Design

219W

TDP

102W

550 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.3a 1x DisplayPort

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Processor

GF110

GPU Name

GF114

GF110-275-A1

GPU Variant

-

Fermi 2.0

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

3 billion

Transistors

1.95 billion

520 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

2.0

CUDA

2.1

5.1

Shader Model

5.1

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