AMD FireStream 9270 vs NVIDIA GeForce 8400

VS

AMD FireStream 9270

NVIDIA GeForce 8400

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 256MB VRAM GeForce 8400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Released 11 months late

More VRAM (2GB vs 256GB)

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

792 additional rendering cores

NVIDIA GeForce 8400 's Advantages

Lower TDP (25W vs 160W)

Score

Benchmark

FP32 (float)

FireStream 9270 +5614%

1.2 TFLOPS

GeForce 8400

0.021 TFLOPS

FireStream 9270

VS

GeForce 8400

Graphics Card

Nov 2008

Release Date

Dec 2007

FireStream

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

8.000GB/s

Render Config

10

Compute Units

-

SM Count

1

800

Shading Units

8

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

16 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

2.160 GPixel/s

30.00 GTexel/s

Texture Rate

2.160 GTexel/s

-

1200 GFLOPS

FP32 (float)

20.80 GFLOPS

240.0 GFLOPS

FP64 (double)

-

Board Design

160W

TDP

25W

450 W

Suggested PSU

200 W

1x DVI

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

RV770

GPU Name

G98

RV770 XT

GPU Variant

-

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

55 nm

Process Size

65 nm

0.956 billion

Transistors

0.21 billion

256 mm²

Die Size

86 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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