AMD Radeon HD 7490M vs AMD Radeon HD 6550M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7490M and 1024MB VRAM Radeon HD 6550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7490M 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (30.40GB/s vs 28.80GB/s)

Lower TDP (9W vs 26W)

AMD Radeon HD 6550M 's Advantages

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7490M

0.256 TFLOPS

Radeon HD 6550M +87%

0.48 TFLOPS

Radeon HD 7490M

VS

Radeon HD 6550M

Graphics Card

Jan 2012

Release Date

Nov 2010

London

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

128bit

30.40GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

2

Compute Units

5

160

Shading Units

400

8

TMUs

20

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.800 GPixel/s

6.400 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

480.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

Lexington

Seymour XTX (216-0810005)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

2.154 billion

67 mm²

Die Size

334 mm²

Board Design

9W

TDP

26W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

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

-

CUDA

-

5.0

Shader Model

5.0

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