ATI Mobility Radeon HD 4670 Mac Edition vs AMD Radeon HD 6490M Mac Edition

VS

ATI Mobility Radeon HD 4670 Mac Edition

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 256MB VRAM Radeon HD 6490M Mac Edition 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

160 additional rendering cores

AMD Radeon HD 6490M Mac Edition 's Advantages

Released 1 years and 8 months late

Larger VRAM bandwidth (25.41GB/s vs 25.28GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +81%

0.435 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

Radeon HD 6490M Mac Edition

Graphics Card

Sep 2009

Release Date

May 2011

M9x

Generation

Vancouver

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

794 MHz

Memory

256MB

Memory Size

256MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

25.41GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

3.000 GPixel/s

21.76 GTexel/s

Texture Rate

6.000 GTexel/s

-

435.2 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

35W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

M96

GPU Name

Seymour

M96 XT (216-0729051)

GPU Variant

Seymour XTX M2 (216-0809000)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.37 billion

146 mm²

Die Size

67 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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