NVIDIA GeForce GTX 780M Mac Edition vs ATI Mobility Radeon HD 2600 XT

VS

NVIDIA GeForce GTX 780M Mac Edition

ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 4GB VRAM GeForce GTX 780M Mac Edition and 256MB VRAM Mobility Radeon HD 2600 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 780M Mac Edition 's Advantages

Released 6 years and 6 months late

Boost Clock797MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (160.0GB/s vs 24.00GB/s)

1416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 780M Mac Edition +1401%

2.448 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

GeForce GTX 780M Mac Edition

VS

Mobility Radeon HD 2600 XT

Graphics Card

Nov 2013

Release Date

May 2007

GeForce 700M

Generation

M7x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

771 MHz

Base Clock

-

797 MHz

Boost Clock

-

1250 MHz

Memory Clock

750 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

24.00GB/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

25.50 GPixel/s

Pixel Rate

2.720 GPixel/s

102.0 GTexel/s

Texture Rate

5.440 GTexel/s

-

2.448 TFLOPS

FP32 (float)

163.2 GFLOPS

102.0 GFLOPS

FP64 (double)

-

Board Design

122W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GK104

GPU Name

M76

N14E-GTX-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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