ATI Radeon HD 4870 vs AMD FireStream 9170

VS

ATI Radeon HD 4870

AMD FireStream 9170

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 2GB VRAM FireStream 9170 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 's Advantages

Released 7 months late

Larger VRAM bandwidth (115.2GB/s vs 51.33GB/s)

480 additional rendering cores

AMD FireStream 9170 's Advantages

More VRAM (2GB vs 512GB)

Lower TDP (105W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 +141%

1.2 TFLOPS

FireStream 9170

0.497 TFLOPS

Radeon HD 4870

VS

FireStream 9170

Graphics Card

Jun 2008

Release Date

Nov 2007

Radeon R700

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

802 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

51.33GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

12.43 GPixel/s

30.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

1200 GFLOPS

FP32 (float)

497.3 GFLOPS

240.0 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

150W

TDP

105W

450 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV770

GPU Name

RV670

RV770 XT (215-0669049)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.666 billion

256 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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