NVIDIA GeForce GTX 570 Rev. 2 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GTX 570 Rev. 2

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 570 Rev. 2 and 2GB VRAM GeForce GT 640 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

Larger VRAM bandwidth (152.0GB/s vs 28.51GB/s)

96 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

Released 1 years and 6 months late

More VRAM (2GB vs 1280GB)

Lower TDP (65W vs 219W)

Score

Benchmark

FP32 (float)

GeForce GTX 570 Rev. 2 +102%

1.405 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce GTX 570 Rev. 2

VS

GeForce GT 640

Graphics Card

Dec 2010

Release Date

Jun 2012

GeForce 500

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

950 MHz

Memory Clock

891 MHz

Memory

1280MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

320bit

Memory Bus

128bit

152.0GB/s

Bandwidth

28.51GB/s

Render Config

-

15

SM Count

-

480

Shading Units

384

60

TMUs

32

40

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

640 KB

L2 Cache

256 KB

-

Theoretical Performance

21.96 GPixel/s

Pixel Rate

7.216 GPixel/s

43.92 GTexel/s

Texture Rate

28.86 GTexel/s

-

1405 GFLOPS

FP32 (float)

692.7 GFLOPS

175.7 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

219W

TDP

65W

550 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.3a 1x DisplayPort

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

GF110

GPU Name

GK107

GF110-275-A1

GPU Variant

GK107-300-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3 billion

Transistors

1.27 billion

520 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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