ATI Mobility Radeon HD 4670 vs ATI Mobility Radeon X2500

VS

ATI Mobility Radeon HD 4670

ATI Mobility Radeon X2500

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 256MB VRAM Mobility Radeon X2500 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Released 1 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Mobility Radeon HD 4670

VS

Mobility Radeon X2500

Graphics Card

Jan 2009

Release Date

Jun 2007

M9x

Generation

M6x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

32

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

1.840 GPixel/s

21.60 GTexel/s

Texture Rate

1.840 GTexel/s

-

432.0 GFLOPS

FP32 (float)

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

M66

M96 XT (216-0729051)

GPU Variant

-

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

90 nm

0.514 billion

Transistors

0.157 billion

146 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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