NVIDIA GeForce 9500 GT Mac Edition vs NVIDIA GeForce GT 645 OEM

VS

NVIDIA GeForce 9500 GT Mac Edition

NVIDIA GeForce GT 645 OEM

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9500 GT Mac Edition and 1024MB VRAM GeForce GT 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9500 GT Mac Edition 's Advantages

Lower TDP (50W vs 102W)

NVIDIA GeForce GT 645 OEM 's Advantages

Released 1 years and 11 months late

More VRAM (1024GB vs 512GB)

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9500 GT Mac Edition

0.09 TFLOPS

GeForce GT 645 OEM +893%

0.894 TFLOPS

GeForce 9500 GT Mac Edition

VS

GeForce GT 645 OEM

Graphics Card

May 2010

Release Date

Apr 2012

GeForce 9

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

957 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

192bit

25.60GB/s

Bandwidth

91.87GB/s

Render Config

-

4

SM Count

6

32

Shading Units

288

16

TMUs

48

8

ROPs

24

-

L1 Cache

64 KB (per SM)

32 KB

L2 Cache

384 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

9.312 GPixel/s

8.800 GTexel/s

Texture Rate

37.25 GTexel/s

-

89.60 GFLOPS

FP32 (float)

894.0 GFLOPS

-

FP64 (double)

74.50 GFLOPS

Board Design

50W

TDP

102W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

-

Graphics Processor

G96C

GPU Name

GF114

-

Tesla

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.314 billion

Transistors

1.95 billion

121 mm²

Die Size

332 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.1

4.0

Shader Model

5.1

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