ATI Mobility Radeon HD 3870 vs ATI Mobility Radeon HD 2300

VS

ATI Mobility Radeon HD 3870

ATI Mobility Radeon HD 2300

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 and 128MB VRAM Mobility Radeon HD 2300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3870 's Advantages

Released 1 years and 3 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (54.40GB/s vs 12.80GB/s)

320 additional rendering cores

Score

Mobility Radeon HD 3870

VS

Mobility Radeon HD 2300

Graphics Card

Jun 2008

Release Date

Mar 2007

M8x

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

850 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

128MB

GDDR3

Memory Type

DDR2

256bit

Memory Bus

128bit

54.40GB/s

Bandwidth

12.80GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

4

16

ROPs

4

-

256 KB

L2 Cache

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

1.920 GPixel/s

10.56 GTexel/s

Texture Rate

1.920 GTexel/s

-

422.4 GFLOPS

FP32 (float)

-

84.48 GFLOPS

FP64 (double)

-

Board Design

55W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M88

GPU Name

M71

-

GPU Variant

M71-S

TeraScale

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

55 nm

Process Size

80 nm

0.666 billion

Transistors

0.107 billion

192 mm²

Die Size

100 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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