AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce GTX 280M

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce GTX 280M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM GeForce GTX 280M 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 2 years and 2 months late

32 additional rendering cores

NVIDIA GeForce GTX 280M 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (60.80GB/s vs 25.41GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition

0.24 TFLOPS

GeForce GTX 280M +55%

0.374 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce GTX 280M

Graphics Card

May 2011

Release Date

Mar 2009

Vancouver

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-IV

Clock Speeds

-

794 MHz

Memory Clock

950 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

256bit

25.41GB/s

Bandwidth

60.80GB/s

Render Config

2

Compute Units

-

SM Count

16

160

Shading Units

128

8

TMUs

64

4

ROPs

16

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

9.360 GPixel/s

6.000 GTexel/s

Texture Rate

37.44 GTexel/s

-

240.0 GFLOPS

FP32 (float)

374.5 GFLOPS

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

G92

Seymour XTX M2 (216-0809000)

GPU Variant

N10E-GTX

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.37 billion

Transistors

0.754 billion

67 mm²

Die Size

324 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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