AMD Radeon R7 M365X vs AMD Radeon R5 M255

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M365X 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 R7 M365X 's Advantages

Released 7 months late

Boost Clock has increased by 2% (960MHz vs 940MHz)

Larger VRAM bandwidth (64.00GB/s vs 32.00GB/s)

AMD Radeon R5 M255 's Advantages

More VRAM (2GB vs 1GB)

Score

Benchmark

FP32 (float)

Radeon R7 M365X

0.633 TFLOPS

Radeon R5 M255 +13%

0.721 TFLOPS

Radeon R7 M365X

VS

Radeon R5 M255

Graphics Card

May 2015

Release Date

Oct 2014

Gem System

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

925 MHz

960 MHz

Boost Clock

940 MHz

1000 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

6

Compute Units

6

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

6.600 GPixel/s

Pixel Rate

7.520 GPixel/s

19.80 GTexel/s

Texture Rate

22.56 GTexel/s

-

FP16 (half)

721.9 GFLOPS

633.6 GFLOPS

FP32 (float)

721.9 GFLOPS

39.60 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

Litho

GPU Name

Topaz

Litho XT (216-0868010)

GPU Variant

Topaz PRO (216-0858030)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

1.55 billion

77 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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