NVIDIA GeForce 8400 vs NVIDIA GeForce GTX 780 6 GB

VS

NVIDIA GeForce 8400

NVIDIA GeForce GTX 780 6 GB

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 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 's Advantages

Lower TDP (25W vs 250W)

NVIDIA GeForce GTX 780 6 GB 's Advantages

Released 5 years and 9 months late

Boost Clock902MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (288.4GB/s vs 8.000GB/s)

2296 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

GeForce GTX 780 6 GB +19690%

4.156 TFLOPS

GeForce 8400

VS

GeForce GTX 780 6 GB

Graphics Card

Dec 2007

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

500 MHz

Memory Clock

1502 MHz

Memory

256MB

Memory Size

6GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

384bit

8.000GB/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)

16 KB

L2 Cache

1536 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

43.30 GPixel/s

2.160 GTexel/s

Texture Rate

173.2 GTexel/s

-

20.80 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

G98

GPU Name

GK110B

-

GPU Variant

GK110-301-B1

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.21 billion

Transistors

7.08 billion

86 mm²

Die Size

561 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.5

4.0

Shader Model

5.1

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