AMD Radeon R5 M445 vs AMD Radeon R9 M280X

VS

AMD Radeon R5 M445

AMD Radeon R9 M280X

We compared two Mobile platform GPUs: 4GB VRAM Radeon R5 M445 and 4GB VRAM Radeon R9 M280X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M445 's Advantages

Released 11 months late

AMD Radeon R9 M280X 's Advantages

Boost Clock1000MHz

Larger VRAM bandwidth (88.00GB/s vs 32.00GB/s)

512 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M445

0.706 TFLOPS

Radeon R9 M280X +153%

1.792 TFLOPS

Radeon R5 M445

VS

Radeon R9 M280X

Graphics Card

Jan 2016

Release Date

Feb 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1000 MHz

Memory Clock

1375 MHz

Memory

4GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

32.00GB/s

Bandwidth

88.00GB/s

Render Config

6

Compute Units

14

-

384

Shading Units

896

24

TMUs

56

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

7.360 GPixel/s

Pixel Rate

16.00 GPixel/s

22.08 GTexel/s

Texture Rate

56.00 GTexel/s

-

706.6 GFLOPS

FP32 (float)

1.792 TFLOPS

-

FP64 (double)

112.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Meso

GPU Name

Saturn

Meso XT (216-0864018)

GPU Variant

Saturn XT (216-0843024)

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

2.08 billion

125 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5

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