AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce GTX 460M

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce GTX 460M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1536MB VRAM GeForce GTX 460M 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 8 months late

NVIDIA GeForce GTX 460M 's Advantages

More VRAM (1536GB vs 256GB)

Larger VRAM bandwidth (60.00GB/s vs 25.41GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 460M +115%

0.518 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce GTX 460M

Graphics Card

May 2011

Release Date

Sep 2010

Vancouver

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

794 MHz

Memory Clock

625 MHz

Memory

256MB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

192bit

25.41GB/s

Bandwidth

60.00GB/s

Render Config

2

Compute Units

-

SM Count

4

160

Shading Units

192

8

TMUs

32

4

ROPs

24

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

384 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

5.400 GPixel/s

6.000 GTexel/s

Texture Rate

21.60 GTexel/s

-

240.0 GFLOPS

FP32 (float)

518.4 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GF106

Seymour XTX M2 (216-0809000)

GPU Variant

N11E-GS-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

1.17 billion

67 mm²

Die Size

238 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

2.1

5.0

Shader Model

5.1

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