AMD Radeon R9 M290X vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

AMD Radeon R9 M290X

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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

AMD Radeon R9 M290X 's Advantages

Released 6 years and 6 months late

Boost Clock900MHz

More VRAM (4GB vs 256GB)

Larger VRAM bandwidth (153.6GB/s vs 21.92GB/s)

1160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M290X +1500%

2.304 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Radeon R9 M290X

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Jan 2014

Release Date

Jul 2007

Crystal System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

685 MHz

Memory

4GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

21.92GB/s

Render Config

20

Compute Units

3

-

1280

Shading Units

120

80

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.400 GPixel/s

72.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

2.304 TFLOPS

FP32 (float)

144.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Neptune

GPU Name

M76

Neptune XT (216-0847000)

GPU Variant

M76 XT-M (216XJBKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

2.8 billion

Transistors

0.39 billion

212 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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