AMD Radeon R5 M255 vs AMD Radeon R5 M315

VS

AMD Radeon R5 M255

AMD Radeon R5 M315

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 2GB VRAM Radeon R5 M315 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R5 M255 's Advantages

Boost Clock940MHz

Larger VRAM bandwidth (32.00GB/s vs 14.40GB/s)

AMD Radeon R5 M315 's Advantages

Released 7 months late

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon R5 M315 +3%

0.745 TFLOPS

Radeon R5 M255

VS

Radeon R5 M315

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 x8

Clock Speeds

925 MHz

Base Clock

-

940 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

32.00GB/s

Bandwidth

14.40GB/s

Render Config

6

Compute Units

6

-

384

Shading Units

384

24

TMUs

24

8

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

7.760 GPixel/s

22.56 GTexel/s

Texture Rate

23.28 GTexel/s

721.9 GFLOPS

FP16 (half)

745.0 GFLOPS

721.9 GFLOPS

FP32 (float)

745.0 GFLOPS

45.12 GFLOPS

FP64 (double)

46.56 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

Topaz

GPU Name

Meso

Topaz PRO (216-0858030)

GPU Variant

Meso LE (216-0864046)

GCN 3.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.55 billion

Transistors

1.55 billion

125 mm²

Die Size

125 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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