NVIDIA GeForce GTX 470 X2 vs NVIDIA GeForce 8400 GS PCI

VS

NVIDIA GeForce GTX 470 X2

NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 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 470 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (107.1GB/s vs 5.328GB/s)

344 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

Lower TDP (25W vs 215W)

Score

Benchmark

FP32 (float)

GeForce GTX 470 X2 +3786%

0.855 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

GeForce GTX 470 X2

VS

GeForce 8400 GS PCI

Graphics Card

Unknown

Release Date

Dec 2007

GeForce 400

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

837 MHz

Memory Clock

333 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

107.1GB/s

Bandwidth

5.328GB/s

Render Config

-

11

SM Count

1

352

Shading Units

8

44

TMUs

4

32

ROPs

4

-

64 KB (per SM)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

2.268 GPixel/s

26.75 GTexel/s

Texture Rate

2.268 GTexel/s

-

855.4 GFLOPS

FP32 (float)

22.40 GFLOPS

-

Board Design

215W

TDP

25W

550 W

Suggested PSU

200 W

3x DVI

Outputs

1x S-Video 1x DMS-59

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

G98

GF100-030-A3

GPU Variant

G98-400-U2

Fermi

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

3.1 billion

Transistors

0.21 billion

529 mm²

Die Size

86 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.0

CUDA

1.1

5.1

Shader Model

4.0

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