AMD Radeon RX Vega M GL vs ATI Mobility Radeon HD 3870 X2

VS

AMD Radeon RX Vega M GL

ATI Mobility Radeon HD 3870 X2

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GL and 512MB VRAM Mobility Radeon HD 3870 X2 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 9 years and 5 months late

Boost Clock1011MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (179.2GB/s vs 54.40GB/s)

960 additional rendering cores

Lower TDP (65W vs 110W)

Score

Benchmark

FP32 (float)

Radeon RX Vega M GL +513%

2.588 TFLOPS

Mobility Radeon HD 3870 X2

0.422 TFLOPS

Radeon RX Vega M GL

VS

Mobility Radeon HD 3870 X2

Graphics Card

Feb 2018

Release Date

Sep 2008

Vega

Generation

M8x

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 2.0 x16

Clock Speeds

931 MHz

Base Clock

-

1011 MHz

Boost Clock

-

700 MHz

Memory Clock

850 MHz

Memory

4GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

1024bit

Memory Bus

256bit

179.2GB/s

Bandwidth

54.40GB/s

Render Config

20

Compute Units

4

-

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

32.35 GPixel/s

Pixel Rate

10.56 GPixel/s

80.88 GTexel/s

Texture Rate

10.56 GTexel/s

2.588 TFLOPS

FP16 (half)

-

2.588 TFLOPS

FP32 (float)

422.4 GFLOPS

161.8 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

65W

TDP

110W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Polaris 22

GPU Name

M88

VegaM XL (D715A714)

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

5 billion

Transistors

0.666 billion

208 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

N/A

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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