AMD FireStream 9270 vs ATI Radeon HD 5870

VS

AMD FireStream 9270

ATI Radeon HD 5870

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1024MB VRAM Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

More VRAM (2GB vs 1024GB)

Lower TDP (160W vs 188W)

ATI Radeon HD 5870 's Advantages

Released 10 months late

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

800 additional rendering cores

Score

Benchmark

FP32 (float)

FireStream 9270

1.2 TFLOPS

Radeon HD 5870 +126%

2.72 TFLOPS

FireStream 9270

VS

Radeon HD 5870

Graphics Card

Nov 2008

Release Date

Sep 2009

FireStream

Generation

Evergreen

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1200 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

153.6GB/s

Render Config

10

Compute Units

20

-

800

Shading Units

1600

40

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

27.20 GPixel/s

30.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

1200 GFLOPS

FP32 (float)

2.720 TFLOPS

240.0 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

160W

TDP

188W

450 W

Suggested PSU

450 W

1x DVI

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

Cypress

RV770 XT

GPU Variant

Cypress XT (215-0735033)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

2.154 billion

256 mm²

Die Size

334 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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