ATI Radeon HD 3830 vs AMD FireStream 9270

VS

ATI Radeon HD 3830

AMD FireStream 9270

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3830 and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3830 's Advantages

Lower TDP (75W vs 160W)

AMD FireStream 9270 's Advantages

Released 7 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (115.2GB/s vs 26.50GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3830

0.428 TFLOPS

FireStream 9270 +180%

1.2 TFLOPS

Radeon HD 3830

VS

FireStream 9270

Graphics Card

Apr 2008

Release Date

Nov 2008

Radeon R600

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

26.50GB/s

Bandwidth

115.2GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

16

ROPs

16

-

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

10.69 GPixel/s

Pixel Rate

12.00 GPixel/s

10.69 GTexel/s

Texture Rate

30.00 GTexel/s

-

427.5 GFLOPS

FP32 (float)

1200 GFLOPS

85.50 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

75W

TDP

160W

250 W

Suggested PSU

450 W

No outputs

Outputs

1x DVI

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV670

GPU Name

RV770

RV670 PRO (215-0708003)

GPU Variant

RV770 XT

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.956 billion

192 mm²

Die Size

256 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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