AMD Radeon HD 6490M vs AMD Radeon HD 7550M

VS

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6490M and 1024MB VRAM Radeon HD 7550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)

AMD Radeon HD 7550M 's Advantages

Released 1 years late

Boost Clock550MHz

More VRAM (1024GB vs 512GB)

240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M

0.256 TFLOPS

Radeon HD 7550M +71%

0.44 TFLOPS

Radeon HD 6490M

VS

Radeon HD 7550M

Graphics Card

Jan 2011

Release Date

Jan 2012

Vancouver

Generation

London

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

450 MHz

-

Boost Clock

550 MHz

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.60GB/s

Bandwidth

14.40GB/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

-

128 KB

L2 Cache

-

Theoretical Performance

3.200 GPixel/s

Pixel Rate

4.400 GPixel/s

6.400 GTexel/s

Texture Rate

11.00 GTexel/s

-

FP16 (half)

-

256.0 GFLOPS

FP32 (float)

440.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Seymour

GPU Name

Thames

Seymour XTX S3 (216-0809024)

GPU Variant

Thames LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.716 billion

67 mm²

Die Size

104 mm²

Board Design

Unknown

TDP

14W

-

Suggested PSU

-

Portable Device Dependent

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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