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

VS

ATI Mobility Radeon HD 3870

AMD Radeon RX Vega M GL

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 3870 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

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 65W)

AMD Radeon RX Vega M GL 's Advantages

Released 9 years and 8 months late

Boost Clock1011MHz

More VRAM (4GB vs 512GB)

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

960 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon RX Vega M GL +513%

2.588 TFLOPS

Mobility Radeon HD 3870

VS

Radeon RX Vega M GL

Graphics Card

Jun 2008

Release Date

Feb 2018

M8x

Generation

Vega

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

IGP

Clock Speeds

-

Base Clock

931 MHz

-

Boost Clock

1011 MHz

850 MHz

Memory Clock

700 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

HBM2

256bit

Memory Bus

1024bit

54.40GB/s

Bandwidth

179.2GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

16

TMUs

80

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.56 GPixel/s

Pixel Rate

32.35 GPixel/s

10.56 GTexel/s

Texture Rate

80.88 GTexel/s

-

FP16 (half)

2.588 TFLOPS

422.4 GFLOPS

FP32 (float)

2.588 TFLOPS

84.48 GFLOPS

FP64 (double)

161.8 GFLOPS

Board Design

55W

TDP

65W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M88

GPU Name

Polaris 22

-

GPU Variant

VegaM XL (D715A714)

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.666 billion

Transistors

5 billion

192 mm²

Die Size

208 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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