AMD Radeon R7 M340 vs ATI Mobility Radeon HD 2600 XT Mac Edition

VS

AMD Radeon R7 M340

ATI Mobility Radeon HD 2600 XT Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 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 R7 M340 's Advantages

Released 8 years and 5 months late

Boost Clock715MHz

More VRAM (1024GB vs 256GB)

264 additional rendering cores

ATI Mobility Radeon HD 2600 XT Mac Edition 's Advantages

Larger VRAM bandwidth (21.92GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 M340 +281%

0.549 TFLOPS

Mobility Radeon HD 2600 XT Mac Edition

0.144 TFLOPS

Radeon R7 M340

VS

Mobility Radeon HD 2600 XT Mac Edition

Graphics Card

Dec 2015

Release Date

Jul 2007

Gem System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

685 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

21.92GB/s

Render Config

6

Compute Units

3

-

384

Shading Units

120

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

2.400 GPixel/s

17.16 GTexel/s

Texture Rate

4.800 GTexel/s

-

549.1 GFLOPS

FP32 (float)

144.0 GFLOPS

34.32 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

M76

Opal PRO

GPU Variant

M76 XT-M (216XJBKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

0.95 billion

Transistors

0.39 billion

77 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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