AMD Radeon R9 M275X vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

AMD Radeon R9 M275X

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X 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 M275X 's Advantages

Released 6 years and 6 months late

Boost Clock925MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 21.92GB/s)

520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M275X +722%

1.184 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Radeon R9 M275X

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Jan 2014

Release Date

Jul 2007

Gem System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1125 MHz

Memory Clock

685 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

21.92GB/s

Render Config

10

Compute Units

3

-

640

Shading Units

120

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

2.400 GPixel/s

37.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

1184 GFLOPS

FP32 (float)

144.0 GFLOPS

74.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

M76

Venus XTX (216-0846033)

GPU Variant

M76 XT-M (216XJBKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.5 billion

Transistors

0.39 billion

123 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.0

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