AMD FireStream 9270 vs AMD Radeon HD 7870 GHz Edition

VS

AMD FireStream 9270

AMD Radeon HD 7870 GHz Edition

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 2GB VRAM Radeon HD 7870 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Lower TDP (160W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 3 years and 4 months late

Larger VRAM bandwidth (153.6GB/s vs 115.2GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

FireStream 9270

1.2 TFLOPS

Radeon HD 7870 GHz Edition +113%

2.56 TFLOPS

FireStream 9270

VS

Radeon HD 7870 GHz Edition

Graphics Card

Nov 2008

Release Date

Mar 2012

FireStream

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

153.6GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1280

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

32.00 GPixel/s

30.00 GTexel/s

Texture Rate

80.00 GTexel/s

-

1200 GFLOPS

FP32 (float)

2.560 TFLOPS

240.0 GFLOPS

FP64 (double)

160.0 GFLOPS

Board Design

160W

TDP

175W

450 W

Suggested PSU

450 W

1x DVI

Outputs

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

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

Pitcairn

RV770 XT

GPU Variant

Pitcairn XT (215-0828047)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.8 billion

256 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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