NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GT 430 OEM

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GT 430 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 2GB VRAM GeForce GT 430 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (91.87GB/s vs 25.60GB/s)

192 additional rendering cores

NVIDIA GeForce GT 430 OEM 's Advantages

More VRAM (2GB vs 1024GB)

Lower TDP (49W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +232%

0.894 TFLOPS

GeForce GT 430 OEM

0.269 TFLOPS

GeForce GT 645 OEM

VS

GeForce GT 430 OEM

Graphics Card

Apr 2012

Release Date

Oct 2010

GeForce 600

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

192bit

Memory Bus

128bit

91.87GB/s

Bandwidth

25.60GB/s

Render Config

-

6

SM Count

2

288

Shading Units

96

48

TMUs

16

24

ROPs

4

-

64 KB (per SM)

L1 Cache

64 KB (per SM)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

2.800 GPixel/s

37.25 GTexel/s

Texture Rate

11.20 GTexel/s

-

894.0 GFLOPS

FP32 (float)

268.8 GFLOPS

74.50 GFLOPS

FP64 (double)

22.40 GFLOPS

Board Design

102W

TDP

49W

300 W

Suggested PSU

200 W

2x DVI 1x mini-HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

GF108

-

GPU Variant

GF108-400-A1

Fermi 2.0

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.585 billion

332 mm²

Die Size

116 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

2.1

CUDA

2.1

5.1

Shader Model

5.1

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