GeForce GTX 780 vs GeForce 8400 GS PCI

VS

NVIDIA GeForce GTX 780

NVIDIA GeForce 8400 GS PCI

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

Main Differences

GeForce GTX 780 's Advantages

Released 5 years and 5 months late

Boost Clock902MHz

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (288.4GB/s vs 5.328GB/s)

2296 additional rendering cores

GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 +18790%

4156

GeForce 8400 GS PCI

22

GeForce GTX 780

VS

GeForce 8400 GS PCI

Graphics Card

May 2013

Release Date

Dec 2007

GeForce 700

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCI

Clock Speeds

863 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

333 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

288.4GB/s

Bandwidth

5.328GB/s

Render Config

-

SM Count

1

2304

Shading Units

8

192

TMUs

4

48

ROPs

4

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

16 KB

Theoretical Performance

43.30 GPixel/s

Pixel Rate

2.268 GPixel/s

173.2 GTexel/s

Texture Rate

2.268 GTexel/s

4.156 TFLOPS

FP32 (float)

22.40 GFLOPS

173.2 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 S-Video 1x DMS-59

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

G98

GK110-300-A1

GPU Variant

G98-400-U2

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_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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