NVIDIA GeForce 8400 vs NVIDIA GeForce GTX 470 X2

VS

NVIDIA GeForce 8400

NVIDIA GeForce GTX 470 X2

We compared two Desktop platform GPUs: 256MB VRAM GeForce 8400 and 1024MB VRAM GeForce GTX 470 X2 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 215W)

NVIDIA GeForce GTX 470 X2 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (107.1GB/s vs 8.000GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8400

0.021 TFLOPS

GeForce GTX 470 X2 +3971%

0.855 TFLOPS

GeForce 8400

VS

GeForce GTX 470 X2

Graphics Card

Dec 2007

Release Date

Unknown

GeForce 8

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

837 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

256bit

8.000GB/s

Bandwidth

107.1GB/s

Render Config

-

1

SM Count

11

8

Shading Units

352

4

TMUs

44

4

ROPs

32

-

L1 Cache

64 KB (per SM)

16 KB

L2 Cache

512 KB

-

Theoretical Performance

2.160 GPixel/s

Pixel Rate

13.38 GPixel/s

2.160 GTexel/s

Texture Rate

26.75 GTexel/s

-

20.80 GFLOPS

FP32 (float)

855.4 GFLOPS

-

Board Design

25W

TDP

215W

200 W

Suggested PSU

550 W

1x DVI 1x VGA 1x S-Video

Outputs

3x DVI

None

Power Connectors

2x 8-pin

Graphics Processor

G98

GPU Name

GF100

-

GPU Variant

GF100-030-A3

Tesla

Architecture

Fermi

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.21 billion

Transistors

3.1 billion

86 mm²

Die Size

529 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

2.0

4.0

Shader Model

5.1

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