NVIDIA GeForce 705M vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

NVIDIA GeForce 705M

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 705M and 256MB VRAM Mobility Radeon HD 2600 XT 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)

ATI Mobility Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (21.92GB/s vs 14.40GB/s)

72 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 705M

0.142 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition +1%

0.144 TFLOPS

GeForce 705M

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Unknown

Release Date

Jul 2007

GeForce 700M

Generation

M7x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

900 MHz

Memory Clock

685 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

21.92GB/s

Render Config

-

Compute Units

3

1

SM Count

-

48

Shading Units

120

8

TMUs

8

4

ROPs

4

-

64 KB (per SM)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

1.476 GPixel/s

Pixel Rate

2.400 GPixel/s

5.904 GTexel/s

Texture Rate

4.800 GTexel/s

-

141.7 GFLOPS

FP32 (float)

144.0 GFLOPS

11.81 GFLOPS

FP64 (double)

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GF119

GPU Name

M76

GF119 B1

GPU Variant

M76 XT-M (216XJBKA13FG)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.292 billion

Transistors

0.39 billion

79 mm²

Die Size

153 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.0

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