AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 4550

VS

AMD Radeon HD 6990M Rebrand ATI Mobility Radeon HD 4550

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 512MB VRAM Mobility Radeon HD 4550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 1 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (70.40GB/s vs 11.20GB/s)

720 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6990M Rebrand +1354%

1.28 TFLOPS

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 6990M Rebrand

VS

Mobility Radeon HD 4550

Graphics Card

Jul 2011

Release Date

Jan 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

11.20GB/s

Render Config

-

SM Count

-

14

Compute Units

1

800

Shading Units

80

40

TMUs

8

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

64 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

2.200 GPixel/s

32.00 GTexel/s

Texture Rate

4.400 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

88.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

M93

Broadway XTX

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.242 billion

166 mm²

Die Size

73 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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