NVIDIA GeForce GT 645 OEM vs NVIDIA GeForce GT 230 OEM

VS

NVIDIA GeForce GT 645 OEM

NVIDIA GeForce GT 230 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GT 645 OEM and 1536MB VRAM GeForce GT 230 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 3 years late

Larger VRAM bandwidth (91.87GB/s vs 24.00GB/s)

192 additional rendering cores

NVIDIA GeForce GT 230 OEM 's Advantages

More VRAM (1536GB vs 1024GB)

Lower TDP (75W vs 102W)

Score

Benchmark

FP32 (float)

GeForce GT 645 OEM +272%

0.894 TFLOPS

GeForce GT 230 OEM

0.24 TFLOPS

GeForce GT 645 OEM

VS

GeForce GT 230 OEM

Graphics Card

Apr 2012

Release Date

Apr 2009

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1536MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

192bit

91.87GB/s

Bandwidth

24.00GB/s

Render Config

-

6

SM Count

12

288

Shading Units

96

48

TMUs

48

24

ROPs

12

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

48 KB

-

Theoretical Performance

9.312 GPixel/s

Pixel Rate

6.000 GPixel/s

37.25 GTexel/s

Texture Rate

24.00 GTexel/s

-

894.0 GFLOPS

FP32 (float)

240.0 GFLOPS

74.50 GFLOPS

FP64 (double)

-

Board Design

102W

TDP

75W

300 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

GF114

GPU Name

G92B

-

GPU Variant

G92-159-B1

Fermi 2.0

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.754 billion

332 mm²

Die Size

260 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

1.1

5.1

Shader Model

4.0

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