NVIDIA GeForce GTX 660 vs NVIDIA GeForce 9400 GT Rev. 3

VS

NVIDIA GeForce GTX 660

NVIDIA GeForce 9400 GT Rev. 3

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 660 and 128MB VRAM GeForce 9400 GT Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 660 's Advantages

Boost Clock1032MHz

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (144.2GB/s vs 9.600GB/s)

944 additional rendering cores

NVIDIA GeForce 9400 GT Rev. 3 's Advantages

Lower TDP (50W vs 140W)

Score

Benchmark

FP32 (float)

GeForce GTX 660 +4302%

1.981 TFLOPS

GeForce 9400 GT Rev. 3

0.045 TFLOPS

GeForce GTX 660

VS

GeForce 9400 GT Rev. 3

Graphics Card

Sep 2012

Release Date

Jun 2012

GeForce 600

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

980 MHz

Base Clock

-

1032 MHz

Boost Clock

-

1502 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

DDR2

192bit

Memory Bus

64bit

144.2GB/s

Bandwidth

9.600GB/s

Render Config

-

SM Count

2

960

Shading Units

16

80

TMUs

8

24

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

384 KB

L2 Cache

32 KB

-

Theoretical Performance

20.64 GPixel/s

Pixel Rate

2.356 GPixel/s

82.56 GTexel/s

Texture Rate

4.712 GTexel/s

-

1.981 TFLOPS

FP32 (float)

44.86 GFLOPS

82.56 GFLOPS

FP64 (double)

-

Board Design

140W

TDP

50W

300 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

GK106

GPU Name

GT218

GK106-400-A1

GPU Variant

GT218-670-B1

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.26 billion

221 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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