NVIDIA GeForce GTX 470M vs AMD Radeon HD 6490M Mac Edition

VS

NVIDIA GeForce GTX 470M

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1536MB VRAM GeForce GTX 470M 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

NVIDIA GeForce GTX 470M 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 25.41GB/s)

128 additional rendering cores

AMD Radeon HD 6490M Mac Edition 's Advantages

Released 8 months late

Score

Benchmark

FP32 (float)

GeForce GTX 470M +156%

0.616 TFLOPS

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 470M

VS

Radeon HD 6490M Mac Edition

Graphics Card

Sep 2010

Release Date

May 2011

GeForce 400M

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

750 MHz

Memory Clock

794 MHz

Memory

1536MB

Memory Size

256MB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

64bit

72.00GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

6

SM Count

-

288

Shading Units

160

48

TMUs

8

24

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

384 KB

L2 Cache

128 KB

-

Theoretical Performance

6.420 GPixel/s

Pixel Rate

3.000 GPixel/s

25.68 GTexel/s

Texture Rate

6.000 GTexel/s

-

616.3 GFLOPS

FP32 (float)

240.0 GFLOPS

51.36 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

GF104

GPU Name

Seymour

N11E-GT

GPU Variant

Seymour XTX M2 (216-0809000)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.95 billion

Transistors

0.37 billion

332 mm²

Die Size

67 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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