ATI Radeon HD 3870 Mac Edition vs ATI Radeon X1650 GT

VS

ATI Radeon HD 3870 Mac Edition

ATI Radeon X1650 GT

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 Mac Edition and 128MB VRAM Radeon X1650 GT 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 1 years and 1 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (72.06GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Radeon HD 3870 Mac Edition

VS

Radeon X1650 GT

Graphics Card

Jun 2008

Release Date

May 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

400 MHz

Memory

512MB

Memory Size

128MB

GDDR4

Memory Type

GDDR3

256bit

Memory Bus

128bit

72.06GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

8

16

ROPs

8

-

256 KB

L2 Cache

-

Theoretical Performance

12.43 GPixel/s

Pixel Rate

3.200 GPixel/s

12.43 GTexel/s

Texture Rate

3.200 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 DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Processor

RV670

GPU Name

RV560

RV670 XT (215-0708005)

GPU Variant

RV560 GT

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.666 billion

Transistors

0.312 billion

192 mm²

Die Size

230 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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