GeForce GTX 780 vs GeForce 9400 GT PCI

VS

NVIDIA GeForce GTX 780

NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTX 780 's Advantages

Released 4 years and 9 months late

Boost Clock902MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (288.4GB/s vs 12.80GB/s)

2288 additional rendering cores

GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +9135%

4156

GeForce 9400 GT PCI

45

GeForce GTX 780

VS

GeForce 9400 GT PCI

Graphics Card

May 2013

Release Date

Aug 2008

GeForce 700

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

2304

Shading Units

16

192

TMUs

8

48

ROPs

4

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

32 KB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

2.200 GPixel/s

173.2 GTexel/s

Texture Rate

4.400 GTexel/s

4.156 TFLOPS

FP32 (float)

44.80 GFLOPS

173.2 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

600 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 + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

G96C

GK110-300-A1

GPU Variant

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

0.314 billion

561 mm²

Die Size

121 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.1

5.1

Shader Model

4.0

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