AMD Radeon HD 7870 GHz Edition vs AMD FireStream 9170

VS

AMD Radeon HD 7870 GHz Edition

AMD FireStream 9170

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 2GB VRAM FireStream 9170 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 4 years and 4 months late

Larger VRAM bandwidth (153.6GB/s vs 51.33GB/s)

960 additional rendering cores

AMD FireStream 9170 's Advantages

Lower TDP (105W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +415%

2.56 TFLOPS

FireStream 9170

0.497 TFLOPS

Radeon HD 7870 GHz Edition

VS

FireStream 9170

Graphics Card

Mar 2012

Release Date

Nov 2007

Southern Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

802 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

51.33GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

12.43 GPixel/s

80.00 GTexel/s

Texture Rate

12.43 GTexel/s

-

2.560 TFLOPS

FP32 (float)

497.3 GFLOPS

160.0 GFLOPS

FP64 (double)

99.46 GFLOPS

Board Design

175W

TDP

105W

450 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

RV670

Pitcairn XT (215-0828047)

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.666 billion

212 mm²

Die Size

192 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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