NVIDIA GeForce 9400 GT vs NVIDIA GeForce 8400 GS PCI

VS

NVIDIA GeForce 9400 GT NVIDIA GeForce 8400 GS PCI

We compared two Desktop platform GPUs: 128MB VRAM GeForce 9400 GT 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 9400 GT 's Advantages

Released 8 months late

Larger VRAM bandwidth (9.600GB/s vs 5.328GB/s)

8 additional rendering cores

NVIDIA GeForce 8400 GS PCI 's Advantages

More VRAM (512GB vs 128GB)

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

GeForce 9400 GT +31%

0.029 TFLOPS

GeForce 8400 GS PCI

0.022 TFLOPS

GeForce 9400 GT

VS

GeForce 8400 GS PCI

Graphics Card

Aug 2008

Release Date

Dec 2007

GeForce 9

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

Base Clock

-

Boost Clock

-

600 MHz

Memory Clock

333 MHz

Memory

128MB

Memory Size

512MB

DDR2

Memory Type

DDR2

64bit

Memory Bus

64bit

9.600GB/s

Bandwidth

5.328GB/s

Render Config

2

SM Count

1

-

Compute Units

-

16

Shading Units

8

TMUs

4

ROPs

4

-

Tensor Cores

-

RT Cores

-

L1 Cache

-

16 KB

L2 Cache

16 KB

Theoretical Performance

1.836 GPixel/s

Pixel Rate

2.268 GPixel/s

3.672 GTexel/s

Texture Rate

2.268 GTexel/s

-

FP16 (half)

-

29.38 GFLOPS

FP32 (float)

22.40 GFLOPS

-

FP64 (double)

-

Graphics Processor

G86

GPU Name

G98

-

GPU Variant

G98-400-U2

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

80 nm

Process Size

65 nm

0.21 billion

Transistors

0.21 billion

127 mm²

Die Size

86 mm²

Board Design

50W

TDP

25W

250 W

Suggested PSU

200 W

1x DVI 1x VGA 1x S-Video

Outputs

1x S-Video 1x DMS-59

None

Power Connectors

None

Graphics Features

11.1 (10_0)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

1.1

4.0

Shader Model

4.0

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