AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce GTX 480M

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 2GB VRAM GeForce GTX 480M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490M Mac Edition 's Advantages

Released 1 years late

NVIDIA GeForce GTX 480M 's Advantages

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 25.41GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 480M +149%

0.598 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce GTX 480M

Graphics Card

May 2011

Release Date

May 2010

Vancouver

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

794 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

25.41GB/s

Bandwidth

76.80GB/s

Render Config

2

Compute Units

-

SM Count

11

160

Shading Units

352

8

TMUs

44

4

ROPs

32

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

9.350 GPixel/s

6.000 GTexel/s

Texture Rate

18.70 GTexel/s

-

240.0 GFLOPS

FP32 (float)

598.4 GFLOPS

-

FP64 (double)

74.80 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Seymour

GPU Name

GF100

Seymour XTX M2 (216-0809000)

GPU Variant

N11E-GTX-A3

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

3.1 billion

67 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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