ATI Mobility Radeon HD 2600 XT vs NVIDIA GeForce GT 650M Mac Edition

VS

ATI Mobility Radeon HD 2600 XT

NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 2600 XT and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Released 5 years and 2 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (80.26GB/s vs 24.00GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 2600 XT

0.163 TFLOPS

GeForce GT 650M Mac Edition +323%

0.691 TFLOPS

Mobility Radeon HD 2600 XT

VS

GeForce GT 650M Mac Edition

Graphics Card

May 2007

Release Date

Jul 2012

M7x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

750 MHz

Memory Clock

1254 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

24.00GB/s

Bandwidth

80.26GB/s

Render Config

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

7.200 GPixel/s

5.440 GTexel/s

Texture Rate

28.80 GTexel/s

-

163.2 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

28.80 GFLOPS

Board Design

Unknown

TDP

45W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M76

GPU Name

GK107

M76 XT-M (216XJBKA13FG)

GPU Variant

N13P-GT-W-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.39 billion

Transistors

1.27 billion

153 mm²

Die Size

118 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.0

Shader Model

5.1

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