AMD Radeon Pro Vega 20 vs AMD Radeon HD 6850M

VS

AMD Radeon Pro Vega 20

AMD Radeon HD 6850M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro Vega 20 and 1024MB VRAM Radeon HD 6850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 20 's Advantages

Released 7 years and 10 months late

Boost Clock1283MHz

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (189.4GB/s vs 25.60GB/s)

480 additional rendering cores

AMD Radeon HD 6850M 's Advantages

Lower TDP (50W vs 100W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 20 +204%

3.284 TFLOPS

Radeon HD 6850M

1.08 TFLOPS

Radeon Pro Vega 20

VS

Radeon HD 6850M

Graphics Card

Nov 2018

Release Date

Jan 2011

Radeon Pro Mac

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

815 MHz

Base Clock

-

1283 MHz

Boost Clock

-

740 MHz

Memory Clock

800 MHz

Memory

4GB

Memory Size

1024MB

HBM2

Memory Type

GDDR3

1024bit

Memory Bus

128bit

189.4GB/s

Bandwidth

25.60GB/s

Render Config

20

Compute Units

10

-

1280

Shading Units

800

80

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

41.06 GPixel/s

Pixel Rate

10.80 GPixel/s

102.6 GTexel/s

Texture Rate

27.00 GTexel/s

6.569 TFLOPS

FP16 (half)

-

3.284 TFLOPS

FP32 (float)

1080 GFLOPS

205.3 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Vega 12

GPU Name

Granville

Vega 12 XTA

GPU Variant

Granville PRO

GCN 5.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

Unknown

Transistors

1.04 billion

Unknown

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

-

6.3

Shader Model

5.0

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