AMD Radeon HD 7730M vs AMD Radeon HD 6970M Rebrand

VS

AMD Radeon HD 7730M

AMD Radeon HD 6970M Rebrand

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7730M and 1024MB VRAM Radeon HD 6970M Rebrand 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)

Lower TDP (25W vs 75W)

AMD Radeon HD 6970M Rebrand 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7730M

0.691 TFLOPS

Radeon HD 6970M Rebrand +85%

1.28 TFLOPS

Radeon HD 7730M

VS

Radeon HD 6970M Rebrand

Graphics Card

Apr 2012

Release Date

Jan 2011

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

575 MHz

Base Clock

-

675 MHz

Boost Clock

-

900 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

28.80GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

10

-

512

Shading Units

800

32

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

12.80 GPixel/s

21.60 GTexel/s

Texture Rate

32.00 GTexel/s

-

691.2 GFLOPS

FP32 (float)

1280 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Board Design

25W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Chelsea

GPU Name

Broadway

Chelsea LE (216-0834065)

GPU Variant

Broadway XT

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

1.04 billion

123 mm²

Die Size

166 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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