ATI Mobility Radeon HD 5670 Mac Edition vs AMD Radeon HD 6450M

VS

ATI Mobility Radeon HD 5670 Mac Edition

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5670 Mac Edition and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.44GB/s vs 12.80GB/s)

240 additional rendering cores

AMD Radeon HD 6450M 's Advantages

Released 9 months late

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5670 Mac Edition +170%

0.52 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Mobility Radeon HD 5670 Mac Edition

VS

Radeon HD 6450M

Graphics Card

Apr 2010

Release Date

Jan 2011

Manhattan

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

795 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.44GB/s

Bandwidth

12.80GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

160

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

2.400 GPixel/s

13.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

520.0 GFLOPS

FP32 (float)

192.0 GFLOPS

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Madison

GPU Name

Seymour

Madison XT (216-0772003)

GPU Variant

Seymour PRO S3 (216-0809024)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 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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