AMD Radeon RX Vega M GL vs AMD Radeon R5 M255

VS

AMD Radeon RX Vega M GL AMD Radeon R5 M255

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GL 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 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 RX Vega M GL +258%

2.588 TFLOPS

Radeon R5 M255

0.721 TFLOPS

Radeon RX Vega M GL

VS

Radeon R5 M255

Graphics Card

Feb 2018

Release Date

Oct 2014

Vega

Generation

Gem System

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 3.0 x8

Clock Speeds

931 MHz

Base Clock

925 MHz

1011 MHz

Boost Clock

940 MHz

700 MHz

Memory Clock

1000 MHz

Memory

4GB

Memory Size

2GB

HBM2

Memory Type

DDR3

1024bit

Memory Bus

128bit

179.2GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

20

Compute Units

6

1280

Shading Units

384

80

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

32.35 GPixel/s

Pixel Rate

7.520 GPixel/s

80.88 GTexel/s

Texture Rate

22.56 GTexel/s

2.588 TFLOPS

FP16 (half)

721.9 GFLOPS

2.588 TFLOPS

FP32 (float)

721.9 GFLOPS

161.8 GFLOPS

FP64 (double)

45.12 GFLOPS

Graphics Processor

Polaris 22

GPU Name

Topaz

VegaM XL (D715A714)

GPU Variant

Topaz PRO (216-0858030)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5 billion

Transistors

1.55 billion

208 mm²

Die Size

125 mm²

Board Design

65W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5

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