AMD Radeon R5 M255 vs AMD Radeon RX Vega M GL

VS

AMD Radeon R5 M255

AMD Radeon RX Vega M GL

We compared two Mobile platform GPUs: 2GB VRAM Radeon R5 M255 and 4GB VRAM Radeon RX Vega M GL to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega M GL 's Advantages

Released 3 years and 4 months late

Boost Clock has increased by 8% (1011MHz vs 940MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (179.2GB/s vs 32.00GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R5 M255

0.721 TFLOPS

Radeon RX Vega M GL +258%

2.588 TFLOPS

Radeon R5 M255

VS

Radeon RX Vega M GL

Graphics Card

Oct 2014

Release Date

Feb 2018

Gem System

Generation

Vega

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

IGP

Clock Speeds

925 MHz

Base Clock

931 MHz

940 MHz

Boost Clock

1011 MHz

1000 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

4GB

DDR3

Memory Type

HBM2

128bit

Memory Bus

1024bit

32.00GB/s

Bandwidth

179.2GB/s

Render Config

6

Compute Units

20

-

384

Shading Units

1280

24

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

7.520 GPixel/s

Pixel Rate

32.35 GPixel/s

22.56 GTexel/s

Texture Rate

80.88 GTexel/s

721.9 GFLOPS

FP16 (half)

2.588 TFLOPS

721.9 GFLOPS

FP32 (float)

2.588 TFLOPS

45.12 GFLOPS

FP64 (double)

161.8 GFLOPS

Board Design

Unknown

TDP

65W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Topaz

GPU Name

Polaris 22

Topaz PRO (216-0858030)

GPU Variant

VegaM XL (D715A714)

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.55 billion

Transistors

5 billion

125 mm²

Die Size

208 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

-

6.5

Shader Model

6.4

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