AMD FireStream 9270 vs ATI Radeon HD 3870 X2

VS

AMD FireStream 9270 ATI Radeon HD 3870 X2

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 512MB VRAM Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Released 10 months late

Larger VRAM bandwidth (115.2GB/s vs 57.66GB/s)

480 additional rendering cores

Lower TDP (160W vs 165W)

Score

Benchmark

FP32 (float)

FireStream 9270 +127%

1.2 TFLOPS

Radeon HD 3870 X2

0.528 TFLOPS

FireStream 9270

VS

Radeon HD 3870 X2

Graphics Card

Nov 2008

Release Date

Jan 2008

FireStream

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

901 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

57.66GB/s

Render Config

-

SM Count

-

10

Compute Units

4

800

Shading Units

320

40

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

13.20 GPixel/s

30.00 GTexel/s

Texture Rate

13.20 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

528.0 GFLOPS

240.0 GFLOPS

FP64 (double)

105.6 GFLOPS

Graphics Processor

RV770

GPU Name

R680

RV770 XT

GPU Variant

R680 XT (215-0708017)

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

Board Design

160W

TDP

165W

450 W

Suggested PSU

450 W

1x DVI

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

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

-

CUDA

-

4.1

Shader Model

4.1

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