AMD Radeon R9 M375X vs AMD Radeon R5 M255

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M375X and 2GB VRAM Radeon R5 M255 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M375X 's Advantages

Released 7 months late

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

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

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M375X +80%

1.299 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon R9 M375X

VS

Radeon R5 M255

Graphics Card

May 2015

Release Date

Oct 2014

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

925 MHz

Base Clock

925 MHz

1015 MHz

Boost Clock

940 MHz

1125 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

10

Compute Units

6

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

16.24 GPixel/s

Pixel Rate

7.520 GPixel/s

40.60 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

1299 GFLOPS

FP32 (float)

721.9 GFLOPS

81.20 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

Tropo

GPU Name

Topaz

Tropo XTX

GPU Variant

Topaz PRO (216-0858030)

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

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

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

-

CUDA

-

6.5 (5.1)

Shader Model

6.5

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