NVIDIA GeForce GT 640 vs NVIDIA GeForce 9600 GT Green Edition

VS

NVIDIA GeForce GT 640

NVIDIA GeForce 9600 GT Green Edition

We compared two Desktop platform GPUs: 2GB VRAM GeForce GT 640 and 512MB VRAM GeForce 9600 GT Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 640 's Advantages

Released 4 years and 4 months late

More VRAM (2GB vs 512GB)

320 additional rendering cores

Lower TDP (65W vs 95W)

NVIDIA GeForce 9600 GT Green Edition 's Advantages

Larger VRAM bandwidth (44.80GB/s vs 28.51GB/s)

Score

Benchmark

FP32 (float)

GeForce GT 640 +260%

0.693 TFLOPS

GeForce 9600 GT Green Edition

0.192 TFLOPS

GeForce GT 640

VS

GeForce 9600 GT Green Edition

Graphics Card

Jun 2012

Release Date

Feb 2008

GeForce 600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

891 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

44.80GB/s

Render Config

-

SM Count

8

384

Shading Units

64

32

TMUs

32

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

7.216 GPixel/s

Pixel Rate

9.600 GPixel/s

28.86 GTexel/s

Texture Rate

19.20 GTexel/s

-

692.7 GFLOPS

FP32 (float)

192.0 GFLOPS

28.86 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

95W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GK107

GPU Name

G94

GK107-300-A2

GPU Variant

G94-300-A1

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.505 billion

118 mm²

Die Size

240 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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