AMD Radeon HD 6490M Mac Edition vs NVIDIA GeForce 705M

VS

AMD Radeon HD 6490M Mac Edition

NVIDIA GeForce 705M

We compared two Mobile platform GPUs: 256MB VRAM Radeon HD 6490M Mac Edition and 1024MB VRAM GeForce 705M 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

Larger VRAM bandwidth (25.41GB/s vs 14.40GB/s)

112 additional rendering cores

NVIDIA GeForce 705M 's Advantages

More VRAM (1024GB vs 256GB)

Score

Benchmark

FP32 (float)

Radeon HD 6490M Mac Edition +69%

0.24 TFLOPS

GeForce 705M

0.142 TFLOPS

Radeon HD 6490M Mac Edition

VS

GeForce 705M

Graphics Card

May 2011

Release Date

Unknown

Vancouver

Generation

GeForce 700M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

794 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

25.41GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

-

SM Count

1

160

Shading Units

48

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

3.000 GPixel/s

Pixel Rate

1.476 GPixel/s

6.000 GTexel/s

Texture Rate

5.904 GTexel/s

-

240.0 GFLOPS

FP32 (float)

141.7 GFLOPS

-

FP64 (double)

11.81 GFLOPS

Board Design

Unknown

TDP

15W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Seymour

GPU Name

GF119

Seymour XTX M2 (216-0809000)

GPU Variant

GF119 B1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.292 billion

67 mm²

Die Size

79 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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