AMD Radeon HD 7450A vs AMD Radeon HD 6490M

VS

AMD Radeon HD 7450A

AMD Radeon HD 6490M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 7450A and 512MB VRAM Radeon HD 6490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450A 's Advantages

Released 1 years late

AMD Radeon HD 6490M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 12.80GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7450A

0.2 TFLOPS

Radeon HD 6490M +28%

0.256 TFLOPS

Radeon HD 7450A

VS

Radeon HD 6490M

Graphics Card

Jan 2012

Release Date

Jan 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

12.80GB/s

Bandwidth

25.60GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

160

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

3.200 GPixel/s

5.000 GTexel/s

Texture Rate

6.400 GTexel/s

-

200.0 GFLOPS

FP32 (float)

256.0 GFLOPS

-

Board Design

25W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Caicos

GPU Name

Seymour

-

GPU Variant

Seymour XTX S3 (216-0809024)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.37 billion

67 mm²

Die Size

67 mm²

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

-

5.0

Shader Model

5.0

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