ATI Mobility Radeon HD 4850 X2 vs ATI Mobility Radeon X1700

VS

ATI Mobility Radeon HD 4850 X2

ATI Mobility Radeon X1700

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 4850 X2 and 256MB VRAM Mobility Radeon X1700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4850 X2 's Advantages

Released 2 years and 11 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (89.60GB/s vs 12.80GB/s)

800 additional rendering cores

Score

Mobility Radeon HD 4850 X2

VS

Mobility Radeon X1700

Graphics Card

Jan 2009

Release Date

Feb 2006

M9x

Generation

M6x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

700 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

89.60GB/s

Bandwidth

12.80GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

4

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

1.900 GPixel/s

20.00 GTexel/s

Texture Rate

1.900 GTexel/s

-

800.0 GFLOPS

FP32 (float)

-

160.0 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

M98

GPU Name

M66

M98 L2 (216-0732019)

GPU Variant

M66-P (216BGCKC13FG)

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.956 billion

Transistors

0.157 billion

256 mm²

Die Size

150 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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