NVIDIA GeForce 8400 GS Rev. 3 vs NVIDIA GeForce GTX 780 6 GB

VS

NVIDIA GeForce 8400 GS Rev. 3

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8400 GS Rev. 3 and 6GB VRAM GeForce GTX 780 6 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8400 GS Rev. 3 's Advantages

Lower TDP (25W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 3 years and 2 months late

Boost Clock902MHz

More VRAM (6GB vs 512GB)

Larger VRAM bandwidth (288.4GB/s vs 6.400GB/s)

2296 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400 GS Rev. 3

0.02 TFLOPS

GeForce GTX 780 6 GB +20680%

4.156 TFLOPS

GeForce 8400 GS Rev. 3

VS

GeForce GTX 780 6 GB

Graphics Card

Jul 2010

Release Date

Sep 2013

GeForce 8

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

863 MHz

-

Boost Clock

902 MHz

400 MHz

Memory Clock

1502 MHz

Memory

512MB

Memory Size

6GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

6.400GB/s

Bandwidth

288.4GB/s

Render Config

-

1

SM Count

-

8

Shading Units

2304

4

TMUs

192

4

ROPs

48

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

1536 KB

-

Theoretical Performance

2.080 GPixel/s

Pixel Rate

43.30 GPixel/s

2.080 GTexel/s

Texture Rate

173.2 GTexel/s

-

19.68 GFLOPS

FP32 (float)

4.156 TFLOPS

-

FP64 (double)

173.2 GFLOPS

Board Design

25W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT218

GPU Name

GK110B

8400GS-225-B1

GPU Variant

GK110-301-B1

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.26 billion

Transistors

7.08 billion

57 mm²

Die Size

561 mm²

Graphics Features

11.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

1.2

CUDA

3.5

4.1

Shader Model

5.1

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