AMD Radeon RX Vega 56 Mobile vs ATI Mobility Radeon HD 3870

VS

AMD Radeon RX Vega 56 Mobile

ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX Vega 56 Mobile 's Advantages

Released 10 years late

Boost Clock1301MHz

More VRAM (8GB vs 512GB)

Larger VRAM bandwidth (409.6GB/s vs 54.40GB/s)

3264 additional rendering cores

ATI Mobility Radeon HD 3870 's Advantages

Lower TDP (55W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile +2109%

9.326 TFLOPS

Mobility Radeon HD 3870

0.422 TFLOPS

Radeon RX Vega 56 Mobile

VS

Mobility Radeon HD 3870

Graphics Card

Jun 2018

Release Date

Jun 2008

Mobility Radeon

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1138 MHz

Base Clock

-

1301 MHz

Boost Clock

-

800 MHz

Memory Clock

850 MHz

Memory

8GB

Memory Size

512MB

HBM2

Memory Type

GDDR3

2048bit

Memory Bus

256bit

409.6GB/s

Bandwidth

54.40GB/s

Render Config

56

Compute Units

4

-

3584

Shading Units

320

224

TMUs

16

64

ROPs

16

-

16 KB (per CU)

L1 Cache

-

4 MB

L2 Cache

256 KB

-

Theoretical Performance

83.26 GPixel/s

Pixel Rate

10.56 GPixel/s

291.4 GTexel/s

Texture Rate

10.56 GTexel/s

18.65 TFLOPS

FP16 (half)

-

9.326 TFLOPS

FP32 (float)

422.4 GFLOPS

582.8 GFLOPS

FP64 (double)

84.48 GFLOPS

Board Design

120W

TDP

55W

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Vega 10

GPU Name

M88

Vega 10 XL (215-0894216)

GPU Variant

-

GCN 5.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

12.5 billion

Transistors

0.666 billion

495 mm²

Die Size

192 mm²

Graphics Features

12 (12_1)

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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