NVIDIA GeForce GTX 680MX Mac Edition vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

NVIDIA GeForce GTX 680MX Mac Edition

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 680MX Mac Edition 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 GTX 680MX Mac Edition 's Advantages

Released 5 years and 3 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 21.92GB/s)

1416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 680MX Mac Edition +1434%

2.209 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

GeForce GTX 680MX Mac Edition

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Oct 2012

Release Date

Jul 2007

GeForce 600M

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

1250 MHz

Memory Clock

685 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

21.92GB/s

Render Config

-

Compute Units

3

-

1536

Shading Units

120

128

TMUs

8

32

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

23.01 GPixel/s

Pixel Rate

2.400 GPixel/s

92.03 GTexel/s

Texture Rate

4.800 GTexel/s

-

2.209 TFLOPS

FP32 (float)

144.0 GFLOPS

92.03 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

M76

N13E-GTX2-A2

GPU Variant

M76 XT-M (216XJBKA13FG)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

3.54 billion

Transistors

0.39 billion

294 mm²

Die Size

153 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.0

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