NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce 9400 GT PCI

VS

NVIDIA GeForce GTX 780 Rev. 2

NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Rev. 2 's Advantages

Released 5 years and 1 months late

Boost Clock902MHz

More VRAM (3GB vs 256GB)

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

2288 additional rendering cores

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +9135%

4.156 TFLOPS

GeForce 9400 GT PCI

0.045 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce 9400 GT PCI

Graphics Card

Sep 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

GK110B

GPU Name

G96C

GK110-300-B1

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_1)

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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