ATI Mobility Radeon HD 5850 vs AMD Radeon HD 6450A

VS

ATI Mobility Radeon HD 5850

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5850 and 512MB VRAM Radeon HD 6450A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5850 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 8.528GB/s)

640 additional rendering cores

AMD Radeon HD 6450A 's Advantages

Released 1 years and 3 months late

Lower TDP (25W vs 30W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5850 +300%

0.8 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Mobility Radeon HD 5850

VS

Radeon HD 6450A

Graphics Card

Jan 2010

Release Date

Apr 2011

Manhattan

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

533 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

8.528GB/s

Render Config

10

Compute Units

2

-

800

Shading Units

160

40

TMUs

8

16

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

2.500 GPixel/s

20.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

800.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

30W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Caicos

Broadway PRO (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.37 billion

166 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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