AMD Radeon HD 6450M vs ATI Radeon E4690 PCIe

VS

AMD Radeon HD 6450M

ATI Radeon E4690 PCIe

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6450M and 512MB VRAM Radeon E4690 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450M 's Advantages

Released 1 years and 7 months late

More VRAM (1024GB vs 512GB)

ATI Radeon E4690 PCIe 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 12.80GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6450M

0.192 TFLOPS

Radeon E4690 PCIe +100%

0.384 TFLOPS

Radeon HD 6450M

VS

Radeon E4690 PCIe

Graphics Card

Jan 2011

Release Date

Jun 2009

Vancouver

Generation

Embedded

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

12.80GB/s

Bandwidth

22.40GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

32

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.400 GPixel/s

Pixel Rate

4.800 GPixel/s

4.800 GTexel/s

Texture Rate

19.20 GTexel/s

-

192.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

Unknown

TDP

30W

-

Portable Device Dependent

Outputs

2x DVI

-

Graphics Processor

Seymour

GPU Name

RV730

Seymour PRO S3 (216-0809024)

GPU Variant

RV730 XT E4690 (215-0729055)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.514 billion

67 mm²

Die Size

146 mm²

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

-

5.0

Shader Model

4.1

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