AMD Radeon HD 6870M vs AMD Radeon Pro Vega 16

VS

AMD Radeon HD 6870M

AMD Radeon Pro Vega 16

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 4GB VRAM Radeon Pro Vega 16 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Lower TDP (50W vs 75W)

AMD Radeon Pro Vega 16 's Advantages

Released 7 years and 10 months late

Boost Clock1190MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (307.2GB/s vs 64.00GB/s)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

Radeon Pro Vega 16 +125%

2.437 TFLOPS

Radeon HD 6870M

VS

Radeon Pro Vega 16

Graphics Card

Jan 2011

Release Date

Nov 2018

Vancouver

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

815 MHz

-

Boost Clock

1190 MHz

1000 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

HBM2

128bit

Memory Bus

1024bit

64.00GB/s

Bandwidth

307.2GB/s

Render Config

10

Compute Units

16

-

800

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

38.08 GPixel/s

27.00 GTexel/s

Texture Rate

76.16 GTexel/s

-

FP16 (half)

4.874 TFLOPS

1080 GFLOPS

FP32 (float)

2.437 TFLOPS

-

FP64 (double)

152.3 GFLOPS

Board Design

50W

TDP

75W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

Vega 12

Granville XT (216-0769024)

GPU Variant

Vega 12 XLA

TeraScale 2

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

Unknown

166 mm²

Die Size

Unknown

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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