ATI Radeon HD 3870 Mac Edition vs ATI FireMV 2260 PCIe x1

VS

ATI Radeon HD 3870 Mac Edition

ATI FireMV 2260 PCIe x1

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 256MB VRAM FireMV 2260 PCIe x1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 Mac Edition 's Advantages

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (72.06GB/s vs 8.000GB/s)

280 additional rendering cores

ATI FireMV 2260 PCIe x1 's Advantages

Lower TDP (15W vs 106W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 Mac Edition +1142%

0.497 TFLOPS

FireMV 2260 PCIe x1

0.04 TFLOPS

Radeon HD 3870 Mac Edition

VS

FireMV 2260 PCIe x1

Graphics Card

Jun 2008

Release Date

Jan 2008

Radeon R600

Generation

FireMV Multi-View

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x1

Clock Speeds

-

1126 MHz

Memory Clock

500 MHz

Memory

512MB

Memory Size

256MB

GDDR4

Memory Type

DDR2

256bit

Memory Bus

64bit

72.06GB/s

Bandwidth

8.000GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

2.000 GPixel/s

12.43 GTexel/s

Texture Rate

2.000 GTexel/s

-

497.3 GFLOPS

FP32 (float)

40.00 GFLOPS

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

15W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

2x DisplayPort

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV620

RV670 XT (215-0708005)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.666 billion

Transistors

0.181 billion

192 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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