AMD FireStream 9270 vs ATI Radeon HD 4870 X2

VS

AMD FireStream 9270

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 1024MB VRAM Radeon HD 4870 X2 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 286W)

Score

Benchmark

FP32 (float)

FireStream 9270

1.2 TFLOPS

Radeon HD 4870 X2

1.2 TFLOPS

FireStream 9270

VS

Radeon HD 4870 X2

Graphics Card

Nov 2008

Release Date

Aug 2008

FireStream

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

800

40

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

12.00 GPixel/s

30.00 GTexel/s

Texture Rate

30.00 GTexel/s

-

1200 GFLOPS

FP32 (float)

1200 GFLOPS

240.0 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

160W

TDP

286W

450 W

Suggested PSU

600 W

1x DVI

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV770

GPU Name

R700

RV770 XT

GPU Variant

R700 XT (215-0669045)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.956 billion

Transistors

0.956 billion

256 mm²

Die Size

256 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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