ATI Mobility Radeon HD 3470 vs ATI Mobility Radeon HD 5145

VS

ATI Mobility Radeon HD 3470

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5145 's Advantages

Released 2 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

40 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Mobility Radeon HD 5145 +112%

0.115 TFLOPS

Mobility Radeon HD 3470

VS

Mobility Radeon HD 5145

Graphics Card

Jan 2008

Release Date

Jan 2010

M8x

Generation

M9x

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

1

-

40

Shading Units

80

4

TMUs

8

4

ROPs

4

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

64 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

2.880 GPixel/s

2.720 GTexel/s

Texture Rate

5.760 GTexel/s

-

54.40 GFLOPS

FP32 (float)

115.2 GFLOPS

-

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

M92

M82-ME XT (216-0707009)

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

55 nm

Process Size

55 nm

0.181 billion

Transistors

0.242 billion

67 mm²

Die Size

73 mm²

Graphics Features

10.1

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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