NVIDIA GeForce 9400 GT PCI vs AMD FireStream 9250

VS

NVIDIA GeForce 9400 GT PCI

AMD FireStream 9250

We compared two Desktop platform GPUs: 256MB VRAM GeForce 9400 GT PCI and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 150W)

AMD FireStream 9250 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (63.55GB/s vs 12.80GB/s)

784 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 9400 GT PCI

0.045 TFLOPS

FireStream 9250 +2122%

1 TFLOPS

GeForce 9400 GT PCI

VS

FireStream 9250

Graphics Card

Aug 2008

Release Date

Jun 2008

GeForce 9

Generation

FireStream

Desktop

Type

Desktop

PCI

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

993 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

256bit

12.80GB/s

Bandwidth

63.55GB/s

Render Config

-

Compute Units

10

2

SM Count

-

16

Shading Units

800

8

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

10.00 GPixel/s

4.400 GTexel/s

Texture Rate

25.00 GTexel/s

-

44.80 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

50W

TDP

150W

250 W

Suggested PSU

450 W

1x DVI 1x VGA 1x S-Video

Outputs

1x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

G96C

GPU Name

RV770

-

GPU Variant

RV770 PRO

Tesla

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.314 billion

Transistors

0.956 billion

121 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_0)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

4.1

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