ATI Mobility Radeon HD 3450 vs ATI Mobility Radeon HD 5450

VS

ATI Mobility Radeon HD 3450

ATI Mobility Radeon HD 5450

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 1024MB VRAM Mobility Radeon HD 5450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5450 's Advantages

Released 2 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (12.80GB/s vs 6.400GB/s)

40 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Mobility Radeon HD 5450 +170%

0.108 TFLOPS

Mobility Radeon HD 3450

VS

Mobility Radeon HD 5450

Graphics Card

Jan 2008

Release Date

Jan 2010

M8x

Generation

Manhattan

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

400 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

12.80GB/s

Render Config

2

Compute Units

1

-

40

Shading Units

80

4

TMUs

8

4

ROPs

4

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

2.700 GPixel/s

2.000 GTexel/s

Texture Rate

5.400 GTexel/s

-

40.00 GFLOPS

FP32 (float)

108.0 GFLOPS

-

Board Design

Unknown

TDP

11W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

Park

M82-SCE XT (216-0707011)

GPU Variant

Park PRO (216-0774007)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

0.292 billion

67 mm²

Die Size

59 mm²

Graphics Features

10.1

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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