NVIDIA GeForce GTX 780 Ti 6 GB vs NVIDIA GeForce 8400

VS

NVIDIA GeForce GTX 780 Ti 6 GB

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 6GB VRAM GeForce GTX 780 Ti 6 GB and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780 Ti 6 GB 's Advantages

Boost Clock928MHz

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (336.6GB/s vs 8.000GB/s)

2872 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Ti 6 GB +25352%

5.345 TFLOPS

GeForce 8400

0.021 TFLOPS

GeForce GTX 780 Ti 6 GB

VS

GeForce 8400

Graphics Card

Unknown

Release Date

Dec 2007

GeForce 700

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

875 MHz

Base Clock

-

928 MHz

Boost Clock

-

1753 MHz

Memory Clock

500 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

336.6GB/s

Bandwidth

8.000GB/s

Render Config

-

SM Count

1

2880

Shading Units

8

240

TMUs

4

48

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

16 KB

-

Theoretical Performance

55.68 GPixel/s

Pixel Rate

2.160 GPixel/s

222.7 GTexel/s

Texture Rate

2.160 GTexel/s

-

5.345 TFLOPS

FP32 (float)

20.80 GFLOPS

222.7 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

600 W

Suggested PSU

200 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

G98

-

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

7.08 billion

Transistors

0.21 billion

561 mm²

Die Size

86 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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