AMD Radeon R5 M255 vs AMD Radeon R9 M375

VS

AMD Radeon R5 M255

AMD Radeon R9 M375

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM Radeon R9 M375 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Larger VRAM bandwidth (32.00GB/s vs 28.80GB/s)

AMD Radeon R9 M375 's Advantages

Released 7 months late

Boost Clock has increased by 8% (1015MHz vs 940MHz)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon R9 M375 +80%

1.299 TFLOPS

Radeon R5 M255

VS

Radeon R9 M375

Graphics Card

Oct 2014

Release Date

May 2015

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

1000 MHz

940 MHz

Boost Clock

1015 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

32.00GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

640

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

16.24 GPixel/s

22.56 GTexel/s

Texture Rate

40.60 GTexel/s

721.9 GFLOPS

FP16 (half)

-

721.9 GFLOPS

FP32 (float)

1299 GFLOPS

45.12 GFLOPS

FP64 (double)

81.20 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Topaz

GPU Name

Tropo

Topaz PRO (216-0858030)

GPU Variant

Tropo XT2

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.5 billion

125 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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