AMD Radeon RX Vega 56 Mobile vs AMD Radeon HD 6870M

VS

AMD Radeon RX Vega 56 Mobile

AMD Radeon HD 6870M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX Vega 56 Mobile and 1024MB VRAM Radeon HD 6870M 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 7 years and 5 months late

Boost Clock1301MHz

More VRAM (8GB vs 1024GB)

Larger VRAM bandwidth (409.6GB/s vs 64.00GB/s)

2784 additional rendering cores

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 120W)

Score

Benchmark

FP32 (float)

Radeon RX Vega 56 Mobile +763%

9.326 TFLOPS

Radeon HD 6870M

1.08 TFLOPS

Radeon RX Vega 56 Mobile

VS

Radeon HD 6870M

Graphics Card

Jun 2018

Release Date

Jan 2011

Mobility Radeon

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1138 MHz

Base Clock

-

1301 MHz

Boost Clock

-

800 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

1024MB

HBM2

Memory Type

GDDR5

2048bit

Memory Bus

128bit

409.6GB/s

Bandwidth

64.00GB/s

Render Config

56

Compute Units

10

-

3584

Shading Units

800

224

TMUs

40

64

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

83.26 GPixel/s

Pixel Rate

10.80 GPixel/s

291.4 GTexel/s

Texture Rate

27.00 GTexel/s

18.65 TFLOPS

FP16 (half)

-

9.326 TFLOPS

FP32 (float)

1080 GFLOPS

582.8 GFLOPS

FP64 (double)

-

Board Design

120W

TDP

50W

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Vega 10

GPU Name

Granville

Vega 10 XL (215-0894216)

GPU Variant

Granville XT (216-0769024)

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

12.5 billion

Transistors

1.04 billion

495 mm²

Die Size

166 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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