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

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 570 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 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 GTX 645 OEM 's Advantages

Released 2 years and 4 months late

96 additional rendering cores

Lower TDP (65W vs 219W)

NVIDIA GeForce GTX 570 Rev. 2 's Advantages

More VRAM (1280GB vs 1024GB)

Larger VRAM bandwidth (152.0GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM

0.949 TFLOPS

GeForce GTX 570 Rev. 2 +48%

1.405 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 570 Rev. 2

Graphics Card

Apr 2013

Release Date

Dec 2010

GeForce 600

Generation

GeForce 500

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

950 MHz

Memory

1024MB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

320bit

64.00GB/s

Bandwidth

152.0GB/s

Render Config

-

SM Count

15

576

Shading Units

480

48

TMUs

60

16

ROPs

40

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

640 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

21.96 GPixel/s

39.55 GTexel/s

Texture Rate

43.92 GTexel/s

-

949.2 GFLOPS

FP32 (float)

1405 GFLOPS

39.55 GFLOPS

FP64 (double)

175.7 GFLOPS

Board Design

65W

TDP

219W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort

None

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

GF110

GK106-200-A1

GPU Variant

GF110-275-A1

Kepler

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

3 billion

221 mm²

Die Size

520 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.0

5.1

Shader Model

5.1

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