ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon HD 6830M

VS

ATI Mobility Radeon HD 4670 Mac Edition

AMD Radeon HD 6830M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM Radeon HD 6830M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Lower TDP (35W vs 39W)

AMD Radeon HD 6830M 's Advantages

Released 1 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 25.28GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

Radeon HD 6830M +111%

0.92 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon HD 6830M

Graphics Card

Sep 2009

Release Date

Jan 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.28GB/s

Bandwidth

25.60GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

32

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

9.200 GPixel/s

21.76 GTexel/s

Texture Rate

23.00 GTexel/s

-

435.2 GFLOPS

FP32 (float)

920.0 GFLOPS

-

Board Design

35W

TDP

39W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

Granville

M96 XT (216-0729051)

GPU Variant

Granville LP

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.04 billion

146 mm²

Die Size

166 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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