AMD Radeon HD 7730M vs AMD Radeon HD 6450M

VS

AMD Radeon HD 7730M

AMD Radeon HD 6450M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM Radeon HD 6450M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7730M 's Advantages

Released 1 years and 3 months late

Boost Clock675MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

352 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7730M +259%

0.691 TFLOPS

Radeon HD 6450M

0.192 TFLOPS

Radeon HD 7730M

VS

Radeon HD 6450M

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

575 MHz

Base Clock

-

675 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

8

Compute Units

2

-

512

Shading Units

160

32

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.400 GPixel/s

21.60 GTexel/s

Texture Rate

4.800 GTexel/s

-

691.2 GFLOPS

FP32 (float)

192.0 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Chelsea

GPU Name

Seymour

Chelsea LE (216-0834065)

GPU Variant

Seymour PRO S3 (216-0809024)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.37 billion

123 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

5.1

Shader Model

5.0

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