NVIDIA GeForce 9800 GT vs NVIDIA GeForce 8400 GS

VS

NVIDIA GeForce 9800 GT

NVIDIA GeForce 8400 GS

We compared two Desktop platform GPUs: 512MB VRAM GeForce 9800 GT and 256MB VRAM GeForce 8400 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9800 GT 's Advantages

Released 1 years and 3 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (57.60GB/s vs 6.400GB/s)

96 additional rendering cores

NVIDIA GeForce 8400 GS 's Advantages

Lower TDP (40W vs 125W)

Score

Benchmark

FP32 (float)

GeForce 9800 GT +1058%

0.336 TFLOPS

GeForce 8400 GS

0.029 TFLOPS

GeForce 9800 GT

VS

GeForce 8400 GS

Graphics Card

Jul 2008

Release Date

Apr 2007

GeForce 9

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

900 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

64bit

57.60GB/s

Bandwidth

6.400GB/s

Render Config

-

14

SM Count

2

112

Shading Units

16

56

TMUs

8

16

ROPs

4

-

64 KB

L2 Cache

16 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

1.836 GPixel/s

33.60 GTexel/s

Texture Rate

3.672 GTexel/s

-

336.0 GFLOPS

FP32 (float)

29.38 GFLOPS

-

Board Design

125W

TDP

40W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

G92B

GPU Name

G86

G92-280-B1

GPU Variant

G86-213-A2

Tesla

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.754 billion

Transistors

0.21 billion

260 mm²

Die Size

127 mm²

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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