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

VS

NVIDIA GeForce 705M

AMD Radeon HD 6490M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M 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 705M 's Advantages

More VRAM (1024GB vs 256GB)

AMD Radeon HD 6490M Mac Edition 's Advantages

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

112 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Radeon HD 6490M Mac Edition +69%

0.24 TFLOPS

GeForce 705M

VS

Radeon HD 6490M Mac Edition

Graphics Card

Unknown

Release Date

May 2011

GeForce 700M

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

794 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

25.41GB/s

Render Config

-

Compute Units

2

1

SM Count

-

48

Shading Units

160

8

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

3.000 GPixel/s

5.904 GTexel/s

Texture Rate

6.000 GTexel/s

-

141.7 GFLOPS

FP32 (float)

240.0 GFLOPS

11.81 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF119

GPU Name

Seymour

GF119 B1

GPU Variant

Seymour XTX M2 (216-0809000)

Fermi 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.292 billion

Transistors

0.37 billion

79 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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