NVIDIA GeForce GTX 470 PhysX Edition vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GTX 470 PhysX Edition

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 1280MB VRAM GeForce GTX 470 PhysX Edition 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 470 PhysX Edition 's Advantages

Larger VRAM bandwidth (133.9GB/s vs 28.51GB/s)

64 additional rendering cores

NVIDIA GeForce GT 640 's Advantages

More VRAM (2GB vs 1280GB)

Lower TDP (65W vs 215W)

Score

Benchmark

FP32 (float)

GeForce GTX 470 PhysX Edition +57%

1.089 TFLOPS

GeForce GT 640

0.693 TFLOPS

GeForce GTX 470 PhysX Edition

VS

GeForce GT 640

Graphics Card

Unknown

Release Date

Jun 2012

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

837 MHz

Memory Clock

891 MHz

Memory

1280MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

320bit

Memory Bus

128bit

133.9GB/s

Bandwidth

28.51GB/s

Render Config

-

14

SM Count

-

448

Shading Units

384

56

TMUs

32

40

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

640 KB

L2 Cache

256 KB

-

Theoretical Performance

17.02 GPixel/s

Pixel Rate

7.216 GPixel/s

34.05 GTexel/s

Texture Rate

28.86 GTexel/s

-

1089 GFLOPS

FP32 (float)

692.7 GFLOPS

-

FP64 (double)

28.86 GFLOPS

Board Design

215W

TDP

65W

550 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GT215

GPU Name

GK107

GT215-400-A2

GPU Variant

GK107-300-A2

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.727 billion

Transistors

1.27 billion

144 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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