NVIDIA GeForce 9500 GT Mac Edition vs NVIDIA GeForce GT 640 Rev. 2

VS

NVIDIA GeForce 9500 GT Mac Edition

NVIDIA GeForce GT 640 Rev. 2

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9500 GT Mac Edition and 1024MB VRAM GeForce GT 640 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 Rev. 2 's Advantages

Released 3 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (40.06GB/s vs 25.60GB/s)

352 additional rendering cores

Lower TDP (49W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9500 GT Mac Edition

0.09 TFLOPS

GeForce GT 640 Rev. 2 +792%

0.803 TFLOPS

GeForce 9500 GT Mac Edition

VS

GeForce GT 640 Rev. 2

Graphics Card

May 2010

Release Date

May 2013

GeForce 9

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x8

Clock Speeds

-

800 MHz

Memory Clock

1252 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

40.06GB/s

Render Config

-

4

SM Count

-

32

Shading Units

384

16

TMUs

32

8

ROPs

8

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

512 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

8.368 GPixel/s

8.800 GTexel/s

Texture Rate

33.47 GTexel/s

-

89.60 GFLOPS

FP32 (float)

803.3 GFLOPS

-

FP64 (double)

33.47 GFLOPS

Board Design

50W

TDP

49W

250 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

None

Power Connectors

None

Graphics Processor

G96C

GPU Name

GK208

-

GPU Variant

GK208-400-A1

Tesla

Architecture

Kepler 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.314 billion

Transistors

1.02 billion

121 mm²

Die Size

87 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.5

4.0

Shader Model

5.1

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