AMD Radeon R9 M390 Mac Edition vs ATI Mobility Radeon HD 2600 XT

VS

AMD Radeon R9 M390 Mac Edition ATI Mobility Radeon HD 2600 XT

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M390 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

AMD Radeon R9 M390 Mac Edition 's Advantages

Released 8 years late

Larger VRAM bandwidth (174.7GB/s vs 24.00GB/s)

904 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M390 Mac Edition +1103%

1.962 TFLOPS

Mobility Radeon HD 2600 XT

0.163 TFLOPS

Radeon R9 M390 Mac Edition

VS

Mobility Radeon HD 2600 XT

Graphics Card

May 2015

Release Date

May 2007

Crystal System

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1365 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

24.00GB/s

Render Config

-

SM Count

-

16

Compute Units

3

1024

Shading Units

120

64

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

30.66 GPixel/s

Pixel Rate

2.720 GPixel/s

61.31 GTexel/s

Texture Rate

5.440 GTexel/s

-

FP16 (half)

-

1.962 TFLOPS

FP32 (float)

163.2 GFLOPS

122.6 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

M76

Pitcairn PRO (215-0828062)

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

Board Design

80W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

5.1

Shader Model

4.0

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