NVIDIA GeForce GT 430 vs NVIDIA GeForce GT 640

VS

NVIDIA GeForce GT 430

NVIDIA GeForce GT 640

We compared two Desktop platform GPUs: 512MB VRAM GeForce GT 430 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 GT 430 's Advantages

Lower TDP (49W vs 65W)

NVIDIA GeForce GT 640 's Advantages

Released 1 years and 8 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.51GB/s vs 12.80GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 430

0.269 TFLOPS

GeForce GT 640 +157%

0.693 TFLOPS

GeForce GT 430

VS

GeForce GT 640

Graphics Card

Oct 2010

Release Date

Jun 2012

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

800 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

DDR3

Memory Type

DDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

28.51GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

32

4

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.800 GPixel/s

Pixel Rate

7.216 GPixel/s

11.20 GTexel/s

Texture Rate

28.86 GTexel/s

-

268.8 GFLOPS

FP32 (float)

692.7 GFLOPS

22.40 GFLOPS

FP64 (double)

28.86 GFLOPS

Board Design

49W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

None

Power Connectors

None

Graphics Processor

GF108

GPU Name

GK107

GF108-300-A1

GPU Variant

GK107-300-A2

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 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

2.1

CUDA

3.0

5.1

Shader Model

5.1

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