ATI Mobility Radeon HD 3850 X2 vs ATI Mobility Radeon X1900

VS

ATI Mobility Radeon HD 3850 X2

ATI Mobility Radeon X1900

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3850 X2 and 256MB VRAM Mobility Radeon X1900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3850 X2 's Advantages

Released 1 years and 5 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 30.08GB/s)

320 additional rendering cores

Score

Mobility Radeon HD 3850 X2

VS

Mobility Radeon X1900

Graphics Card

Jun 2008

Release Date

Jan 2007

M8x

Generation

M6x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-III

Clock Speeds

-

750 MHz

Memory Clock

470 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

GDDR3

256bit

Memory Bus

256bit

48.00GB/s

Bandwidth

30.08GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

12

16

ROPs

12

-

256 KB

L2 Cache

-

Theoretical Performance

9.280 GPixel/s

Pixel Rate

4.800 GPixel/s

9.280 GTexel/s

Texture Rate

4.800 GTexel/s

-

371.2 GFLOPS

FP32 (float)

-

74.24 GFLOPS

FP64 (double)

-

Board Design

70W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M88

GPU Name

M68

-

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

OpenGL

2.1

N/A

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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