AMD Radeon HD 6950M vs AMD Radeon HD 7730M

VS

AMD Radeon HD 6950M

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 28.80GB/s)

448 additional rendering cores

AMD Radeon HD 7730M 's Advantages

Released 1 years and 3 months late

Boost Clock675MHz

More VRAM (2GB vs 1024GB)

Lower TDP (25W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6950M +61%

1.114 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon HD 6950M

VS

Radeon HD 7730M

Graphics Card

Jan 2011

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

675 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

28.80GB/s

Render Config

12

Compute Units

8

-

960

Shading Units

512

48

TMUs

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

10.80 GPixel/s

27.84 GTexel/s

Texture Rate

21.60 GTexel/s

-

1114 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

50W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Blackcomb

GPU Name

Chelsea

Blackcomb PRO

GPU Variant

Chelsea LE (216-0834065)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

1.5 billion

212 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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