NVIDIA GeForce GTX 780 Rev. 2 vs NVIDIA GeForce 8400 GS PCI

VS

NVIDIA GeForce GTX 780 Rev. 2 NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 3GB VRAM GeForce GTX 780 Rev. 2 and 512MB VRAM GeForce 8400 GS 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 9 months late

Boost Clock902MHz

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

2296 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

GeForce GTX 780 Rev. 2 +18790%

4.156 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

GeForce GTX 780 Rev. 2

VS

GeForce 8400 GS PCI

Graphics Card

Sep 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

-

Compute Units

-

2304

Shading Units

8

192

TMUs

4

48

ROPs

4

-

Tensor Cores

-

RT Cores

-

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

-

FP16 (half)

-

4.156 TFLOPS

FP32 (float)

22.40 GFLOPS

173.2 GFLOPS

FP64 (double)

-

Graphics Processor

GK110B

GPU Name

G98

GK110-300-B1

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

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 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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