AMD Radeon R9 M275X vs AMD Radeon R5 M445

VS

AMD Radeon R9 M275X

AMD Radeon R5 M445

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275X and 4GB VRAM Radeon R5 M445 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275X 's Advantages

Boost Clock925MHz

Larger VRAM bandwidth (72.00GB/s vs 32.00GB/s)

256 additional rendering cores

AMD Radeon R5 M445 's Advantages

Released 2 years late

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M275X +67%

1.184 TFLOPS

Radeon R5 M445

0.706 TFLOPS

Radeon R9 M275X

VS

Radeon R5 M445

Graphics Card

Jan 2014

Release Date

Jan 2016

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

32.00GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

7.360 GPixel/s

37.00 GTexel/s

Texture Rate

22.08 GTexel/s

-

1184 GFLOPS

FP32 (float)

706.6 GFLOPS

74.00 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Venus

GPU Name

Meso

Venus XTX (216-0846033)

GPU Variant

Meso XT (216-0864018)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.55 billion

123 mm²

Die Size

125 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2.170

-

6.5 (5.1)

Shader Model

6.5

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