AMD Radeon HD 6670A vs AMD Radeon HD 6830M

VS

AMD Radeon HD 6670A

AMD Radeon HD 6830M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

AMD Radeon HD 6830M 's Advantages

320 additional rendering cores

Lower TDP (39W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A

0.576 TFLOPS

Radeon HD 6830M +59%

0.92 TFLOPS

Radeon HD 6670A

VS

Radeon HD 6830M

Graphics Card

Apr 2011

Release Date

Jan 2011

All-In-One

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

6

Compute Units

10

-

480

Shading Units

800

24

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

9.200 GPixel/s

14.40 GTexel/s

Texture Rate

23.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

920.0 GFLOPS

-

Board Design

45W

TDP

39W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

Granville

Turks XT (215-0803000)

GPU Variant

Granville LP

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

1.04 billion

118 mm²

Die Size

166 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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