AMD FireStream 9270 vs NVIDIA GeForce 8400 GS PCI Rev. 2

VS

AMD FireStream 9270

NVIDIA GeForce 8400 GS PCI Rev. 2

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 512MB VRAM GeForce 8400 GS PCI Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Released 1 years and 7 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 8.000GB/s)

784 additional rendering cores

NVIDIA GeForce 8400 GS PCI Rev. 2 's Advantages

Lower TDP (40W vs 160W)

Score

Benchmark

FP32 (float)

FireStream 9270 +2976%

1.2 TFLOPS

GeForce 8400 GS PCI Rev. 2

0.039 TFLOPS

FireStream 9270

VS

GeForce 8400 GS PCI Rev. 2

Graphics Card

Nov 2008

Release Date

Apr 2007

FireStream

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

900 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

-

SM Count

2

800

Shading Units

16

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.080 GPixel/s

30.00 GTexel/s

Texture Rate

4.160 GTexel/s

-

1200 GFLOPS

FP32 (float)

39.36 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

40W

450 W

Suggested PSU

200 W

1x DVI

Outputs

1x DVI 1x HDMI 1x VGA

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

GT218

RV770 XT

GPU Variant

-

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

0.26 billion

256 mm²

Die Size

57 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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