ATI Radeon HD 3870 Mac Edition vs ATI Radeon X1650 GTO

VS

ATI Radeon HD 3870 Mac Edition

ATI Radeon X1650 GTO

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 256MB VRAM Radeon X1650 GTO 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

Released 6 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (72.06GB/s vs 12.54GB/s)

320 additional rendering cores

Score

Radeon HD 3870 Mac Edition

VS

Radeon X1650 GTO

Graphics Card

Jun 2008

Release Date

Dec 2007

Radeon R600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1126 MHz

Memory Clock

392 MHz

Memory

512MB

Memory Size

256MB

GDDR4

Memory Type

DDR2

256bit

Memory Bus

128bit

72.06GB/s

Bandwidth

12.54GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

2.348 GPixel/s

12.43 GTexel/s

Texture Rate

2.348 GTexel/s

-

497.3 GFLOPS

FP32 (float)

-

99.46 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

Unknown

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x HDMI 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV530

RV670 XT (215-0708005)

GPU Variant

RV530 LE

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.666 billion

Transistors

0.157 billion

192 mm²

Die Size

150 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3 (full) 4.0 (partial)

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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